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  • 1
    Keywords: Primary production ; Mineralization ; Carbon Cycle ; Models ; Sediment ; Ocean ; Organic Carbon ; Inorganic Carbon ; Biogeochemical Processes ; Inorganic Carbon Dynamics
    Description / Table of Contents: Introduction / Pages 1-8 --- Primary Production: From Inorganic to Organic Carbon / Pages 9-35 --- The Return from Organic to Inorganic Carbon / Pages 37-56 --- Carbon Processing at the Seafloor / Pages 57-75 --- Biogeochemical Processes and Inorganic Carbon Dynamics / Pages 77-105 --- Organic Matter is more than CH2O / Pages 107-118
    Pages: Online-Ressource (X, 118 pages) , Illustrationen, Diagramme
    ISBN: 9783030108229
    Language: English
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  • 2
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: Mg alloy is the lightest metallic structural material and possesses the advantages of high specific strength, high specific stiffness, good electromagnetism shield, good damping capacity, good machinability, and easy recycling, etc. Therefore, it has extremely broad application prospects and has drawn considerable interest in the fields of automobile, electronics, electrical appliances, transportation, aerospace, and aviation. In addition, Mg alloys are gradually showing application potential in emerging industries, serving as biodegradable metals in the biomedical field, functional material for hydrogen storage, and so on. This Special Issue (SI), entitled “Research Progress in High-Performance Magnesium Alloy and Its Applications”, presents recent developments and excellent results in the field of Mg alloys, and includes 10 articles and one editorial covering some interesting aspects of the topic.
    Keywords: grain refinement ; high strength and toughness ; {10–12} twin ; Mg-Gd-Y alloy ; multidirectional impact forging ; Mg-Zn-Mn-Ca ; Ca2Mg6Zn3 phase ; corrosion behaviors ; SKPFM ; boride ; MgB2 ; mechanical alloying ; ignition ; combustion ; flame temperature ; magnesium alloy ; biocompatibility ; surface coating modification ; corrosion resistance ; implantable bio-metal materials ; filler material ; welding ; scandium ; microstructure modification ; mechanical properties ; microstructure ; texture ; stretch formability ; high temperature cross-rolling ; annealing ; wire arc additive manufacturing ; cold metal transfer ; Al-Mg alloys ; orthogonal experiment ; Mg-Bi-Ca alloy ; hot deformation ; constitutive model ; dynamic recrystallization kinetics ; Mg alloy ; twinning ; random orientation ; compression ; room temperature ; backward extrusion ; tensile strength ; failure mechanism ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGM Materials science
    Language: English
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  • 3
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: This book introduces novel results on mathematical modelling, parameter identification, and automatic control for a wide range of applications of mechanical, electric, and mechatronic systems, where undesirable oscillations or vibrations are manifested. The six chapters of the book written by experts from international scientific community cover a wide range of interesting research topics related to: algebraic identification of rotordynamic parameters in rotor-bearing system using finite element models; model predictive control for active automotive suspension systems by means of hydraulic actuators; model-free data-driven-based control for a Voltage Source Converter-based Static Synchronous Compensator to improve the dynamic power grid performance under transient scenarios; an exact elasto-dynamics theory for bending vibrations for a class of flexible structures; motion profile tracking control and vibrating disturbance suppression for quadrotor aerial vehicles using artificial neural networks and particle swarm optimization; and multiple adaptive controllers based on B-Spline artificial neural networks for regulation and attenuation of low frequency oscillations for large-scale power systems. The book is addressed for both academic and industrial researchers and practitioners, as well as for postgraduate and undergraduate engineering students and other experts in a wide variety of disciplines seeking to know more about the advances and trends in mathematical modelling, control and identification of engineering systems in which undesirable oscillations or vibrations could be presented during their operation.
    Keywords: B-spline neural networks ; adaptive power system control ; coordinated multiple controllers ; StatCom ; exact plate theory ; thick plate ; bending vibration ; partial differential operator theory ; gauge condition ; data-driven control ; reactive power compensation ; STATCOM ; voltage control ; voltage source converter ; quadrotor UAV ; artificial neural networks ; robust control ; Taylor series ; B-splines ; particle swarm optimization ; active suspension ; model predictive control ; linear parameter varying ; ellipsoidal set ; attraction sets ; quadratic stability ; algebraic identification ; rotor-bearing system ; finite element model ; rotordynamic coefficients ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
    Language: English
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  • 4
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-03-07
    Description: This Reprint Book provides recent studies addressing encapsulation systems for active compounds (e.g., drugs and food ingredients) to improve the quality of life around the world. The content may be helpful for the colleagues and students working on encapsulation of active compounds.
    Keywords: carboxymethyl chitosan ; mangosteen ; deodorant ; skin moisturizing ; trans-2-nonenal ; accelerated stability test ; guava ; carotenoids ; microencapsulation ; mucilage ; spray-drying ; aloe vera ; Opuntia ficus-indica ; ar-turmerone ; polymeric nanoparticles ; anticancer activity ; release study ; biodegradable polymers ; apple fiber ; trehalose ; sucrose ; blackberry phenolics ; blackberry volatiles ; starch ; Bisphenol A ; Moringa leaf extract ; encapsulating Moringa leaf extract ; nanoparticles ; alginate ; chitosan ; Ib-M peptides ; E. coli ; peptide stability ; polyethylene glycol methacrylate ; oregano ; phenolic compounds ; nanoencapsulation ; bioaccessibility ; curcumin ; zebrafish embryogenesis ; oxidative stress ; neuroprotection ; PCL nanoparticles ; paraquat ; grafted microparticles ; sodium hyaluronate ; crosslinked microparticles ; metronidazole adsorption ; adsorption isotherm ; adsorption kinetics ; metronidazole release ; polyelectrolyte ; complex coacervate ; polyamine ; stimulus-responsive materials ; controlled release ; encapsulation ; hybrids ; clay ; sodium alginate ; rosemary essential oil ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
    Language: English
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  • 5
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: Nondestructive testing and evaluation (NDT&E) is one of the most important techniques for determining the quality and safety of materials, components, devices, and structures. NDT&E technologies include ultrasonic testing (UT), magnetic particle testing (MT), magnetic flux leakage testing (MFLT), eddy current testing (ECT), radiation testing (RT), penetrant testing (PT), and visual testing (VT), and these are widely used throughout the modern industry. However, some NDT processes, such as those for cleaning specimens and removing paint, cause environmental pollution and must only be considered in limited environments (time, space, and sensor selection). Thus, NDT&E is classified as a typical 3D (dirty, dangerous, and difficult) job. In addition, NDT operators judge the presence of damage based on experience and subjective judgment, so in some cases, a flaw may not be detected during the test. Therefore, to obtain clearer test results, a means for the operator to determine flaws more easily should be provided. In addition, the test results should be organized systemically in order to identify the cause of the abnormality in the test specimen and to identify the progress of the damage quantitatively.
    Keywords: composites ; multi-scale ; embedded damage ; non-destructive testing ; photoacoustic ; ultrasonic representation ; terahertz ; coded-aperture imaging ; convolution neural network (CNN) ; fast image reconstruction ; nondestructive evaluation ; acoustic nonlinearity parameter ; indirect method ; laser ultrasound ; fully non-contact ; surface acoustic wave ; UWB-PPM ; UWB-OOK ; buried objects ; nondestructive environment ; Levenberg–Marquardt method ; textured surface anomaly detection ; computer vision ; deep learning ; attention mechanism ; adaptive fusion ; power quality disturbances ; long short term memory ; convolutional neural network ; short time Fourier transform ; leaky Lamb wave ; semi-analytical finite element (SAFE) ; waveguide sensor ; finite-width plate ; waveguide plate ; width modes ; spatial beating ; Rayleigh–Sommerfeld integral (RSI) ; weld cracks ; eddy current nondestructive testing ; gradiently relative magnetic permeability ; heat affected zone ; austenitic stainless steel ; circulating fluidized bed combustion boiler ; water-cooled wall tube ; magnetic sensor array ; magnetic flux density ; flexible ultrasonic probe ; neutron irradiation embrittlement ; reactor pressure vessel ; magnetic nondestructive evaluation ; micromagnetic multiparameter microstructure and stress analysis 3MA ; magnetic adaptive testing ; 3D imaging of metal grains ; non-destructive testing methods ; stacking images ; SA106 carbon steel ; terahertz waves ; refractive index ; thickness measurement ; Shim stock films ; composite materials ; reflection mode ; neutron radiography ; Bragg-edge imaging ; gas tungsten arc welding (GTAW) ; low transformation temperature (LTT) steel ; austenite-to-martensite transformation ; Debye–Waller factor ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
    Language: English
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  • 6
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-08-08
    Description: This reprint focuses on both advanced metals and their alloys and the areas of physical and process metallurgy, materials science, and processing techniques. Specific areas of interest also include titanium/nickel-based superalloys, intermetallics, advanced metallic materials, nanomaterials, metal matrix composites, functional materials, related synthesis and processing techniques, finite element modelling, statistical analysis, physical/mechanical property characterization, experimental validation, and other relevant phenomena. Physical metallurgy is important in the design and optimization of advanced materials with superior physical and mechanical properties through microstructural modifications and processing techniques. The goal of reprint was to bring together recent progress, novel technologies, and advanced equipment for the design and development of advanced metals and alloys and provide guidelines/benchmarks for further research in related areas. Composites, intermetallics, and nanomaterials as well as functional materials will be also included. Some of the recent advances in the field of advanced metals and alloys include novel material processing techniques, manufacturing methods and theories, microstructural characterization, modelling development, and advanced equipment. Conventional and nonconventional processes related to machining, forming, laser processing, additive/subtractive manufacturing, surface modification, and the solidification of high-performance alloys/metals are also included.
    Keywords: Fe-rich Al–Si alloy ; β-Al5FeSi phase ; cooling rate ; melt spinning ; microstructure ; strengthening mechanisms ; Zn-Mg-Ti alloy ; biodegradable metals ; mechanical properties ; cytotoxicity ; Fe-B-W alloy ; manganese ; aluminum ; molten zinc ; microanalysis ; corrosion ; hydrogenated–dehydrogenated titanium powder ; laser directed energy deposition ; mechanical property ; radio frequency plasma technique ; high entropy alloy ; bulk metallic glass ; similar element substitution/addition ; glass forming ability ; lattice distortion ; sapphire ; surface metallization ; deposition mechanism ; wettability ; low-temperature joining ; silver alloy bonding wire ; bonding strength ; vulcanization resistance ; cathodic passivation ; Mg–Nd alloy ; precipitate ; eutectic growth ; modelling and simulation ; recrystallization ; microstructure-property characterization simulation and modeling ; heat treatment and surface treatment ; TC4 alloy ; EBCHM ; aging treatment ; glass-forming ability ; corrosion behavior ; amorphous alloy ; phase transformation ; mechanical behavior ; corrosion wear resistance ; gear grinding ; white layer ; grinding temperature ; surface integrity ; AlSi10Mg alloy ; friction stir processing ; grain boundary ; texture ; dynamic recrystallization ; silver wire ; wire bonding ; chloride ions ; ion migration ; galvanic corrosion ; Cu-15Ni-8Sn alloys ; grain size ; solution treatment ; microalloying ; microstructural evolution ; laser-powder bed fusion ; MgAl2O4 ; TiB2 ; metallothermic reduction ; SHS powder metallurgy ; combustion wave propagation ; HSLA steel ; microstructural characterization ; laser welding ; thick plate ; corrosion resistance ; high entropy alloys ; lightweight ; magnesium alloys ; ultrasound treatment ; solution ; aging ; Mg17Al12 ; converter ; vortex ; flow field analysis ; numerical simulation ; steel ball ; skew rolling ; cold forming ; stainless steel ; copper–scandium CuSc ; copper alloy ; differential scanning calorimetry DSC ; precipitation kinetics ; cold-working ; cold-rolling ; activation energy ; Kissinger method ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 7
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-03-21
    Description: This book captures advancements in the applications of computational intelligence (artificial intelligence, machine learning, etc.) to problems in the mineral and mining industries. The papers present the state of the art in four broad categories: mine operations, mine planning, mine safety, and advances in the sciences, primarily in image processing applications. Authors in the book include both researchers and industry practitioners.
    Keywords: truck dispatching ; mining equipment uncertainties ; orebody uncertainty ; discrete event simulation ; Q-learning ; grinding circuits ; minerals processing ; random forest ; decision trees ; machine learning ; knowledge discovery ; variable importance ; mineral prospectivity mapping ; random forest algorithm ; epithermal gold ; unstructured data ; blast impact ; empirical model ; mining ; fragmentation ; mine worker fatigue ; random forest model ; health and safety management ; stockpiles ; operational data ; mine-to-mill ; geostatistics ; ore control ; mine optimization ; digital twin ; modes of operation ; geological uncertainty ; multivariate statistics ; partial least squares regression ; oil sands ; bitumen extraction ; bitumen processability ; mine safety and health ; accidents ; narratives ; natural language processing ; random forest classification ; hyperspectral imaging ; multispectral imaging ; dimensionality reduction ; neighbourhood component analysis ; artificial intelligence ; mining exploitation ; masonry buildings ; damage risk analysis ; Bayesian network ; Naive Bayes ; Bayesian Network Structure Learning (BNSL) ; rock type ; mining geology ; bluetooth beacon ; classification and regression tree ; gaussian naïve bayes ; k-nearest neighbors ; support vector machine ; transport route ; transport time ; underground mine ; tactical geometallurgy ; data analytics in mining ; ball mill throughput ; measurement while drilling ; non-additivity ; coal ; petrographic analysis ; macerals ; image analysis ; semantic segmentation ; convolutional neural networks ; point cloud scaling ; fragmentation size analysis ; structure from motion ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 8
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-01-05
    Description: This Special Issue covers manufacturing of a smart polymer composites via choice of ingredients, such as polymer, filler, and additives, as well as their unique composition. It also covers the smart processing of polymer composites, which is influenced by the choice of mixers, processing condition, processing technique, etc.
    Keywords: thermoplastic polyurethane ; expanded bead ; supercritical CO2 foaming ; expansion ratio ; resilience ; hardness ; poly(lactic acid) ; lignin ; maleic anhydride ; chemical modification ; 3D printing filament ; SEBS ; membrane ; water uptake ; impedance spectroscopy ; ionic conductivity ; phlogopite ; natural rubber (NR) ; ethylene-propylene-diene monomer rubber (EPDM) ; mechanical properties ; compatibility ; nylon 6 ; polyketone ; chain extender ; hydrogen bonding ; chain branching ; chain crosslinking ; melt viscosity ; shape memory polymer ; NIR light responsive ; semicrystalline maleated polyolefin elastomer ; polyaniline ; melt blending ; adhesive ; fluorosilicone ; thermal conductivity ; magnesium oxide ; boron nitride ; syntactic foams ; hyperbranched polymer ; polyamide 6 ; hollow glass microsphere ; lubricant ; compatibilizer ; composites ; silica ; silane ; hydrolysis ; interfacial adhesion ; zinc mechanism ; hybrid flame retardant materials ; influence of gypsum ; minimum total heat release ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 9
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-09
    Description: Third millennium engineering address new challenges in materials sciences and engineering. In particular, the advances in materials engineering combined with the advances in data acquisition, processing and mining as well as artificial intelligence allow for new ways of thinking in designing new materials and products. Additionally, this gives rise to new paradigms in bridging raw material data and processing to the induced properties and performance. This present topical issue is a compilation of contributions on novel ideas and concepts, addressing several key challenges using data and artificial intelligence, such as:- proposing new techniques for data generation and data mining;- proposing new techniques for visualizing, classifying, modeling, extracting knowledge, explaining and certifying data and data-driven models;- processing data to create data-driven models from scratch when other models are absent, too complex or too poor for making valuable predictions;- processing data to enhance existing physic-based models to improve the quality of the prediction capabilities and, at the same time, to enable data to be smarter; and- processing data to create data-driven enrichment of existing models when physics-based models exhibit limits within a hybrid paradigm.
    Keywords: plasticity ; machine learning ; constitutive modeling ; manifold learning ; topological data analysis ; GENERIC ; soft living tissues ; hyperelasticity ; computational modeling ; data-driven mechanics ; TDA ; Code2Vect ; nonlinear regression ; effective properties ; microstructures ; model calibration ; sensitivity analysis ; elasto-visco-plasticity ; Gaussian process ; high-throughput experimentation ; additive manufacturing ; Ti–Mn alloys ; spherical indentation ; statistical analysis ; Gaussian process regression ; nanoporous metals ; open-pore foams ; FE-beam model ; data mining ; mechanical properties ; hardness ; principal component analysis ; structure–property relationship ; microcompression ; nanoindentation ; analytical model ; finite element model ; artificial neural networks ; model correction ; feature engineering ; physics based ; data driven ; laser shock peening ; residual stresses ; data-driven ; multiscale ; nonlinear ; stochastics ; neural networks ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 10
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-07-06
    Description: Connected intelligent sensing reshapes our society by empowering people with increasing new ways of mutual interactions. As integration technologies keep their scaling roadmap, the horizon of sensory applications is rapidly widening, thanks to myriad light-weight low-power or, in same cases even self-powered, smart devices with high-connectivity capabilities. CMOS integrated circuits technology is the best candidate to supply the required smartness and to pioneer these emerging sensory systems. As a result, new challenges are arising around the design of these integrated circuits and systems for sensory applications in terms of low-power edge computing, power management strategies, low-range wireless communications, integration with sensing devices. In this Special Issue recent advances in application-specific integrated circuits (ASIC) and systems for smart sensory applications in the following five emerging topics: (I) dedicated short-range communications transceivers; (II) digital smart sensors, (III) implantable neural interfaces, (IV) Power Management Strategies in wireless sensor nodes and (V) neuromorphic hardware.
    Keywords: wake-up receiver ; digital controller ; reliability ; electronic toll collection (ETC) system ; dedicated short range communication (DSRC) ; temperature compensation ; piezoresistive ; pressure sensor ; negative temperature coefficient ; ACE-Q100 ; CMOS ; epilepsy ; seizure ; multichannel neural recording ; feature extraction ; closed-loop neurostimulator ; low-power ; low-noise amplifier ; implantable medical device ; switched capacitor ; voltage converter ; wide load range ; multiphase operation ; variable frequency ; integrated circuits ; EEPROM reprogrammable fuses ; memory cells ; trimming techniques with fuses ; digital temperature sensor ; temperature sensor with digital serial interface ; asynchronous control logic ; successive approximation register (SAR) ; wireless access in vehicular environments (WAVE) ; low power consumption ; capacitive digital to analog converter (CDAC) ; CMOS neural amplifier ; AC coupling ; pseudoresistor ; nonlinear distortion ; area-efficient design ; sensor node ; power mode ; wireless sensor networks ; power management ; spiking neural network ; leaky integrate and fire ; neuromorphic ; artificial neural networks ; artificial intelligence ; image classification ; capacitance-to-digital converter ; iterative-delay-chain discharge ; CMOS capacitive sensor interface ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 11
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: Additive manufacturing (AM) processes are gaining more and more attention from many industrial fields, mainly because they are revolutionizing the components’ designs and production lines. The complete industrialization of these processes has to be supported by the full understanding of correlation between AM building conditions and the final materials’ properties. Another critical aspect is that nowadays only a reduced number of materials processable by AM are available on the market. It is, therefore, fundamental to widen the materials’ portfolio, and to study and develop new materials that can take advantage of these unique building processes.
    Keywords: amorphous poly(lactide acid) ; poly(styrene-co-methyl methacrylate) ; polymer blends ; filament extrusion ; 3D printing ; additive manufacturing ; silicon nitride ; high performance ceramics ; photopolymerisation ; lithography-based ceramic manufacturing ; fused-deposition modeling ; mechanical properties ; thermal behavior ; polyetherimide ; fused filament modelling ; design of experiments ; directed energy deposition ; AISI 316L ; microstructure ; LPBF ; as-built ; as-cast ; microhardness ; tensile test ; Ni–Cu alloy ; materials development ; polymers ; metals ; ceramics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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  • 12
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: Today, the flow of electricity is bidirectional, and not all electricity is centrally produced in large power plants. With the growing emergence of prosumers and microgrids, the amount of electricity produced by sources other than large, traditional power plants is ever-increasing. These alternative sources include photovoltaic (PV), wind turbine (WT), geothermal, and biomass renewable generation plants. Some renewable energy resources (solar PV and wind turbine generation) are highly dependent on natural processes and parameters (wind speed, wind direction, temperature, solar irradiation, humidity, etc.). Thus, the outputs are so stochastic in nature. New data-science-inspired real-time solutions are needed in order to co-develop digital twins of large intermittent renewable plants whose services can be globally delivered.
    Keywords: self-healing grid ; machine-learning ; feature extraction ; event detection ; optimization techniques ; manta ray foraging optimization algorithm ; multi-objective function ; radial networks ; optimal power flow ; automatic P2P energy trading ; Markov decision process ; deep reinforcement learning ; deep Q-network ; long short-term delayed reward ; inter-area oscillations ; modal analysis ; reduced order modeling ; dynamic mode decomposition ; machine learning ; artificial neural networks ; steady-state security assessment ; situation awareness ; cellular computational networks ; load flow prediction ; contingency ; fuzzy system ; change detection ; data analytics ; data mining ; filtering ; optimization ; power quality ; signal processing ; total variation smoothing ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 13
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-12-06
    Description: The second volume of the book contains the manuscripts that were accepted for publication in the MDPI Special Topic "Cyber Security and Critical Infrastructure" after a rigorous peer-review process. Authors from academia, government and industry contributed their innovative solutions, consistent with the interdisciplinary nature of cybersecurity. The book contains 16 articles, including an editorial that explains the current challenges, innovative solutions and real-world experiences that include critical infrastructure and 15 original papers that present state-of-the-art innovative solutions to attacks on critical systems.
    Keywords: Cybersecurity ; critical Infrastructures ; privacy preservation ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 14
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-10-25
    Description: The recent successes of machine learning, especially regarding systems based on deep neural networks, have encouraged further research activities and raised a new set of challenges in understanding and designing complex machine learning algorithms. New applications require learning algorithms to be distributed, have transferable learning results, use computation resources efficiently, convergence quickly on online settings, have performance guarantees, satisfy fairness or privacy constraints, incorporate domain knowledge on model structures, etc. A new wave of developments in statistical learning theory and information theory has set out to address these challenges. This Special Issue, "Machine Learning and Information Theory", aims to collect recent results in this direction reflecting a diverse spectrum of visions and efforts to extend conventional theories and develop analysis tools for these complex machine learning systems.
    Keywords: supervised classification ; independent and non-identically distributed features ; analytical error probability ; empirical risk ; generalization error ; K-means clustering ; model compression ; population risk ; rate distortion theory ; vector quantization ; overfitting ; information criteria ; entropy ; model-based clustering ; merging mixture components ; component overlap ; interpretability ; time series prediction ; finite state machines ; hidden Markov models ; recurrent neural networks ; reservoir computers ; long short-term memory ; deep neural network ; information theory ; local information geometry ; feature extraction ; spiking neural network ; meta-learning ; information theoretic learning ; minimum error entropy ; artificial general intelligence ; closed-loop transcription ; linear discriminative representation ; rate reduction ; minimax game ; fairness ; HGR maximal correlation ; independence criterion ; separation criterion ; pattern dictionary ; atypicality ; Lempel–Ziv algorithm ; lossless compression ; anomaly detection ; information-theoretic bounds ; distribution and federated learning ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 15
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-03-21
    Description: Recently, the development of polymeric materials for biomedical applications has advanced significantly. Polymeric materials are favored in the development of therapeutic devices, including temporary implants and three-dimensional scaffolds for tissue engineering and in vitro disease modelling.Further advancements have also occurred in the utilization of polymeric materials for pharmacological applications, such as delivery vehicles for drug release.We would like to invite you to contribute to this Special Issue. Research topics of interest include, but are not limited to, recent advances related to 3D cell culture, biomaterials, tissue engineering, disease modelling, hydrogel, organoids, drug discovery, bioimaging, cardio-renal, metabolic disease, and stem cell biology.
    Keywords: hydrogels ; crosslinking ; degradable ; gamma (γ)-irradiation ; sterilization ; sterility assurance ; antibacterial ability ; jojoba ; Simmondsia ; chemistry ; liquid wax ; biology ; toxicity ; pharmaceutical/industrial uses ; articular cartilage ; mechanical properties ; tribological properties ; antibacterial ; pathogens ; infectious diseases ; silver nanoparticles ; wound care ; wound dressings ; polymers ; gelatin ; nanofibers ; sponges ; Ag/RGO nanocomposites ; green preparation ; anticancer performance ; potential mechanism ; oxidative stress ; hydrogel ; poloxamer 407 polymer ; poloxamer 407 gel ; transungual drug delivery ; onychomycosis ; ungual penetration enhancer ; Terbinafine ; diafiltration ; SAXS ; aromatic interactions ; poly(sodium 4-styrenesulfonate) ; chlorpheniramine ; polyelectrolyte ; aggregation ; coaxial electrospinning ; extracellular matrix ; myelination ; oligodendrocyte ; water-soluble materials ; orthokeratology lens ; protein deposition ; optical characteristics ; rubbing ; chitosan ; kenaf ; nanocrystalline cellulose ; platelet lysate ; wound healing ; carbohydrate polymers blends ; functional food ; antioxidant activity ; co-microencapsulation ; spray drying ; bacteria viability (Bacillus clausii) ; probiotics ; itraconazole ; self-emulsifying nanovesicles ; transungual ; anti-fungal ; bic Book Industry Communication::M Medicine ; bic Book Industry Communication::K Economics, finance, business & management::KN Industry & industrial studies::KND Manufacturing industries::KNDP Pharmaceutical industries
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  • 16
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: Information is key, which means that measurements are key. For this reason, this book provides unique insight into state-of-the-art research works regarding optical measurement systems. Optical systems are fast and precise, and the ongoing challenge is to enable optical principles for in-process measurements. Presented within this book is a selection of promising optical measurement approaches for real-world applications.
    Keywords: speckle photography ; in-process measurement ; deep rolling process ; generalized phase shifting interferometry ; dual-aperture common-path interferometer ; real-time optical instrumentation ; optomechatronic systems ; electrical steel ; optical coherence tomography ; OCT ; scanning ; process monitoring ; laser material processing ; spot compensation ; low coherence interferometry ; LCI ; wind lidar ; Doppler lidar ; bistatic ; metrology ; traceability ; wind energy ; meteorology ; diffraction grating ; grating pitch ; mode-locked femtosecond laser ; laser diffraction ; diffraction equation ; measurement uncertainty analysis ; image processing ; pattern recognition ; wind energy turbines ; turbulence wedges ; coherence scanning interferometry ; in-process application ; Mirau interferometer ; vibration compensation ; interferometric distance sensor ; optical path length modulation ; oscillating reference mirror ; hairpin ; laser welding ; semantic segmentation ; dilated convolution ; sdu-net ; spatter detection ; quality assurance ; fast prediction time ; in situ measurement ; optical metrology ; quality control ; interferometry ; fringe projection ; computational shear interferometry ; coherence function ; structure function ; additive manufacturing ; medium voltage switchgear ; SF6 alternatives ; UV-Vis spectroscopy ; gas mixing modeling ; multicomponent diffusion analysis ; explosion ; coal dust ; methane ; explosion suppression ; spectral characteristics ; explosion pressure ; radiation intensity ; free radicals ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 17
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: Processing and Conversion of Oil and Gas: Modeling, Control, Simulation, and Optimization describes the core of the activity of petrochemical engineers, process controller engineers, industrial engineers, energy engineers, and researchers in the oil and gas field. This reprint explores the modeling, control, simulation, and optimization of new and revamped petrochemical processes using proven software. Thus, it offers novel illustrative examples, prospective applications, and solutions to improve these processes. This reprint aims to combine theoretical principles with examples modeled by commonly used simulation software employing steady-state or dynamic process simulation. Furthermore, applying numerical methods and optimization at both the theoretical and practical levels is within the scope of this reprint.
    Keywords: jet stability ; swirl ; twist ; dominant mode ; Brassica Napus ; fatty acid methyl esters ; 2-Ethyl-2-hydroxymethyl-1,3-propanediol ; viscosity ; batch reactor ; kinetics ; self-excited oscillation pulse jet ; nozzle ; large eddy simulation ; peak velocity ; cavitation number ; coal tar ; wash oil ; nitrogen-containing compounds ; indole ; formamide equilibrium extraction ; price bubbles ; bubble length ; petroleum products ; GSADF ; Pakistan ; pipeline safety ; risk classification ; pipeline failure ; fuzzy analytic hierarchy process ; pipeline risk assessment ; shale gas pipelines ; pressure gradient ; gas–liquid two-phase flow ; flow patterns ; Generalized Additive Model ; dimensionless numbers ; discrete element method ; optimal design ; simulation analysis ; anti-corrosion pill particles ; butyl acetate ; acetic acid ; n-butanol ; esterification ; membrane reactor ; reactive distillation ; amberlyst-15 catalyst ; energy efficiency ; economic evaluation ; methyl isobutyl ketone (MIBK) ; acetone self-condensation ; selective hydrogenation ; process development ; heat integration ; economic analysis ; nano-Pd/nano-ZnCr2O4 catalyst ; dimethyl carbonate ; dimethyl oxalate ; oxidative carbonylation ; azeotropic distillation ; profitability analysis ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-09
    Description: This book, consisting of 21 articles, including three review papers, written by research groups of experts in the field, considers recent research on reinforced polymer composites. Most of them relate to the fiber-reinforced polymer composites, which are a real hot topic in the field. Depending on the reinforcing fiber nature, such composites are divided into synthetic and natural fiber-reinforced ones. Synthetic fibers, such as carbon, glass, or basalt, provide more stiffness, while natural fibers, such as jute, flax, bamboo, kenaf, and others, are inexpensive and biodegradable, making them environmentally friendly. To acquire the benefits of design flexibility and recycling possibilities, natural reinforcers can be hybridized with small amounts of synthetic fibers to make them more desirable for technical applications. Elaborated composites have great potential as structural materials in automotive, marine and aerospace application, as fire resistant concrete, in bridge systems, as mechanical gear pair, as biomedical materials for dentistry and orthopedic application and tissue engineering, as well as functional materials such as proton-exchange membranes, biodegradable superabsorbent resins and polymer electrolytes.
    Keywords: glass fibers ; surface modification ; polyethersulfone ; impregnation ; composite materials ; mechanical properties ; damping properties ; stability ; 3D printing ; composites ; DLP ; lignocellulose ; nanoindentation ; fiber-reinforced polymer ; natural fibers ; synthetic fibers ; PET fiber ; PP ; compatibility ; modification ; co-injection molding ; fiber reinforced plastics (FRP) ; fiber orientation distribution (FOD) ; micro-computerized tomography (μ-CT) scan technology ; bearing ; salt fog aging ; glass-flax hybrid coposites ; pinned joints ; failure modes ; polymer-matrix composites ; carbon fibers ; polysulfone ; rubber ; short jute fibers ; surface treatments ; scanning electron microscopy ; PVA ; CMC ; Na2CO3 ; film ; hydrogel mechanical properties ; nanocomposites ; double-network hydrogels ; polymer–nanoparticle interactions ; bamboo-plastic composites (BPCs) ; waste bamboo fibers ; chemical composition ; physico-mechanical properties ; thermal decomposition kinetics ; PEEK composites ; reinforcements ; self-lubricating bush ; friction and wear ; pin joints ; flat slab ; two-way shear ; carbon fiber reinforced polymers ; glass fiber reinforced polymers ; natural rubber ; maleated natural rubber ; palm stearin ; halloysite nanotubes ; heat treatment ; surface modification of staple carbon fiber ; natural rubber latex ; reinforcement mechanism ; dopamine ; rubber composite ; bifunctionally composite ; sulfonic acid based proton exchange membrane ; silica nanofiber ; mechanical stability ; high temperature fuel cell ; polyetherimide ; polycarbonate ; polyphenylene sulfone ; kenaf fibre ; glass fibre ; hybrid composites ; low velocity impact ; damage progression ; bamboo ; n/a ; poly (lactic acid) (PLA) ; wastes rubber ; recycling ; tensile properties ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: The Special Issue “Demand Response in Smart Grids” includes 11 papers on a variety of topics. The success of this Special Issue demonstrates the relevance of demand response programs and events in the operation of power and energy systems at both the distribution level and at the wide power system level. This reprint addresses the design, implementation, and operation of demand response programs, with focus on methods and techniques to achieve an optimized operation as well as on the electricity consumer.
    Keywords: demand response ; population evolution ; irrational behavior ; Markov state ; non-cooperative game ; solid electric thermal storage ; cyber–physical model ; K-means ; support vector machine ; neural network ; data analysis ; demand response (DR), load profile clustering ; k-means ; targeting of customer ; aggregator ; ramp period ; real-time simulation ; multi-objective optimization ; social welfare metrics ; energy allocation ; load disaggregation ; percentage total harmonic distortion and non-intrusive identification of load pattern ; charging strategy ; optimization ; electricity pricing ; electric vehicle ; flexibility ; flexibility market ; home energy management system ; energy flexibility ; industrial energy management ; demand side management ; control approaches ; energy management ; optimization method ; objective function ; control constraints ; Demand Response ; dynamic thermal rating ; hosting capacity ; transformer ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 20
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: In recent years, the implementation of sustainable concrete systems has been a topic of great interest in the field of construction engineering worldwide, as a result of the large and rapid increase in carbon emissions and environmental problems resulting from traditional concrete production and industry. For example, the uses of supplementary cementitious materials, geopolymer binder, recycled aggregate and industrial/agricultural wastes in concrete are all approaches to building a sustainable concrete system. However, such materials have inherent flaws due to their variety of sources, and exhibit very different properties compared with traditional concrete. Therefore, they require specific modifications in preprocessing, design, and evaluation before use in concrete. This reprint, entitled “Advances in Sustainable Concrete System”, covers a broad range of advanced concrete research in environmentally friendly concretes, cost-effective admixtures, and waste recycling, specifically including the design methods, mechanical properties, durability, microstructure, various models, hydration mechanisms, and practical applications of solid wastes in concrete systems.
    Keywords: high-strength concrete ; energy evolution ; elastic strain energy ; brittleness evaluation index ; concrete ; humidity ; moisture absorption ; moisture desorption ; numerical simulation ; acoustic emission ; AE rate process theory ; corrosion rate ; damage evolution ; axial load ; precast concrete structure ; lattice girder semi-precast slabs ; bending resistance ; FE modelling ; concrete damage ; GSP ; high strength ; hydration ; strength ; penetrability ; rice husk ash ; sustainable concrete ; artificial neural networks ; multiple linear regression ; eco-friendly concrete ; green concrete ; sustainable development ; artificial intelligence ; data science ; machine learning ; bagasse ash ; mechanical properties ; natural coarse aggregate ; recycled coarse aggregate ; two-stage concrete ; materials design ; recycled concrete ; crumb rubber concrete ; crumb rubber ; NaOH treatment ; lime treatment ; water treatment ; detergent treatment ; compressive strength ; materials ; adhesively-bonded joint ; temperature aging ; residual strength ; mechanical behavior ; failure criterion ; steel slag powder ; compound activator ; mortar strength ; orthogonal experiment ; GM (0, N) model ; ultrafine metakaolin ; silica fume ; durability ; fiber-reinforced concrete ; damage mechanism ; uniaxial tension ; cracked concrete ; crack width ; crack depth ; tortuosity ; sustainability ; concrete composites ; sulfate and acid attacks ; WPFT fibers ; coal gangue ; gradation ; cement content ; unconfined compressive strength ; freeze–thaw cycle ; minimum energy dissipation principle ; three-shear energy yield criterion ; damage variable ; constitutive model ; phosphorus slag ; limestone ; sulphate-corrosion resistance ; volume deformation ; blast furnace ferronickel slag ; alkali-activated material ; dosage of activator ; reactive powder concrete ; beam-column joint ; FE modeling ; crack ; cementitious gravel ; fly ash ; age ; optimal dosage ; bamboo ; sawdust ; pretreatment ; bio-based material ; mechanical property ; self-compacting concrete ; supplementary cementitious materials ; hydration mechanisms ; microstructure ; fresh properties ; synthetic polymer ; high temperature ; bentonite-free drilling fluid ; rheology ; filtration ; FRP reinforced concrete slab ; punching shear strength ; SHAP ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building::TNK Building construction and materials::TNKX Conservation of buildings and building materials
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-03-07
    Description: Metal 3D printing, as an advanced forming, can manufacture parts directly from digital model by using layer by layer material build-up approach. This manufacturing method can prepare complex shape metal parts in short time, with and high precision. Three-dimensional printing processes can be classified into two major groups: Powder Bed Fusion-based technologies and Directed Energy Deposition. Three-dimensional printing features freedom of part complexity, part design, and light-weighting for aerospace, automobile, and other industries application. The Global Metal 3D Printing Market is mainly driven by the the fast developing of aerospace and automobile industry. The Global Metal 3D Printing Market size was valued at USD 534.18 Million in 2020 and is projected to reach USD 4458.76 Million by 2028, growing at a CAGR of 30.38% from 2021 to 2028.
    Keywords: 17-4PH ; SLM ; solution temperature ; microstructure and properties ; selective laser melting ; CuCrZr alloy ; process parameters ; relative density ; tensile properties ; Ni-based superalloys ; electron beam melting ; additive manufacturing ; Argon gas atomized ; plasma rotation electrode process ; powder characteristics ; residual stresses ; selective laser melting (SLM) ; finite element modeling (FEM) ; triply periodic minimal surface (TPMS) ; copper corrosion ; liquefied petroleum gas ; H2S corrosion ; SEM ; XPS ; CLF-1 steel ; microstructure ; mechanical properties ; in-situ alloying ; composition inhomogeneity ; computer simulation ; processing map ; laser powder bed fusion ; graphene ; high temperature ; mechanical property ; alumina ; cobalt-chromium-molybdenum alloy ; electroless plating ; friction performance ; implants ; Laser Powder Bed Fusion ; defects ; process parameter ; powder bed fusion ; surface roughness ; porosity ; residual stress ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GP Research & information: general ; bic Book Industry Communication::P Mathematics & science
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-03-07
    Description: In this reprint, state-of-the-art research and review articles on emerging material systems for additive manufacturing (AM) are collected, with a focus on the process–structure–properties relationships. Additive manufacturing (AM) has grown and evolved rapidly in recent years. There are many exciting research and translational works in many areas of application, such as biomedical, aerospace and electronics. These advancements are typically coupled with materials development, which has resulted in more functionalities added to 3D-printed parts, such as multi-material fabrications and integration with machine learning or digital twins. Such enhancements in functionalities have enabled the evolution of AM from a rapid prototyping tool to an actual manufacturing solution. In this reprint, two reviews and thirteen original research articles are included to highlight the latest development in the field of materials science for AM.
    Keywords: titanium scaffolds ; 3D printing ; pore design ; selective laser melting ; lattice structures ; torsion ; design ; additive manufacturing ; functionally gradient lattice ; torsional stiffness ; energy absorption ; failure behavior ; ferritic steel ; heat treatment ; SLM ; nuclear application ; laser powder bed fusion ; solidification crack ; hot crack ; aluminum alloy powder ; EN AW-5083 ; AA5083 ; AlSi10Mg ; powder bed fusion ; metal matrix composites ; laser powder-bed fusion ; aluminum alloys ; reinforcement ; ceramic particulates ; grain refinement ; crystallographic texture ; mechanical properties ; laser-directed energy deposition ; melt pool ; process maps ; multi-fidelity Gaussian process ; Bayesian Optimization ; uncertainty quantification ; K418 alloy ; orientation ; phase ; microhardness ; color 3D printing ; penetration depth ; chromaticity ; image-based metric ; color reproduction ; Ti-24Nb-4Zr-8Sn ; titanium alloy ; biomedical engineering ; microstructure ; X-ray diffraction ; directed energy deposition ; shape-memory alloys ; joining of metals ; elemental powders ; 3D concrete printing (3DCP) ; hybrids ; geopolymer ; frost resistance ; UV radiation ; thermal conductivity ; surface finishing ; physical vapor deposition ; composites ; recycling ; polymer-matrix composites (PMCs) ; direct ink writing ; liquid deposition modeling ; glass fibers ; stainless steel ; AISI 316L ; AISI 630 (17-4PH) ; AISI 420 ; AISI 440C ; carbon content ; online monitoring ; electron beam melting ; n/a ; bic Book Industry Communication::M Medicine ; bic Book Industry Communication::M Medicine::MJ Clinical & internal medicine::MJC Diseases & disorders::MJCL Oncology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: Absorbable metals have shown significant clinical potential for temporary implant applications, where the material is eventually replaced by healthy, functioning tissue. However, several challenges remain before these metals can be used in humans. Innovations and further improvements are required. This book collects scientific contributions dealing with the development of absorbable metals with improved and unique corrosion and mechanical properties for applications in highly loaded implants or cardiovascular and urethral stents.
    Keywords: surface treatments ; roughness ; Mg-alloys ; degradation behavior ; absorbable ; corrosion ; degradation ; magnesium ; ureteral stent ; zinc ; mandibular condylar fracture ; unsintered hydroxyapatite/poly-l-lactide composite plate ; bioactive resorbable plate ; biomechanical loading evaluation ; fracture fixation ; WE43/HA composite ; friction stir processing ; microstructure ; mechanical properties ; corrosion behavior ; absorbable metal ; cytotoxicity ; stent ; ureteral ; urothelial cells ; zinc alloy ; poly-L-lactide ; uncalcined and unsintered hydroxyapatite ; biocompatibility ; osteoconductivity ; mesenchymal stem cell ; iron foam ; polyethyleneimine (PEI) ; biodegradation ; powder metallurgy ; coating ; biodegradable magnesium implants ; bioceramics ; bioactivity ; orthopedic implant ; bone surgery ; absorbable implants ; magnesium (Mg) ; oral and maxillofacial ; orthopedic ; titanium (Ti) ; biomaterials ; electrochemistry ; hydrogen evolution ; microscopy ; Mg-Zn-Sn alloy ; osteoinductive activity ; sirolimus ; rabbit coronary artery endothelial cells ; smooth muscle cells ; bioabsorbable metals ; in-vivo biocompatibility ; strontium ; toxicity ; systemic reactions ; alloy accumulation ; internal organs ; iron ; corrosion rate ; biodegradable material ; n/a
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-09
    Description: The articles featured in this Special Issue cover different aspects of the design, testing, and application of various types of supplementary cementitious materials in concrete. The results of the research, conducted by over 50 international universities and scientific centers, prove the great interest in the SCM topic.
    Keywords: crystalline admixture ; chemical exposure ; sulphuric acid attack ; durability ; Xypex ; fly ash ; substitution strategy ; structural concrete ; steel reinforcement ; limit states ; RC beams in bending ; carbon footprint ; concrete ; carbonation modeling ; calcareous fly ash ; biomass ; wood ash ; fibrocement ; strength ; mortar ; clean coal combustion ; fluidized bed fly ash ; microstructure ; phase composition ; portlandite ; unburned carbon ; slag ; soil stabilization ; embankment ; cement ; lime ; high temperature ; damage ; permeability ; CEMI and CEMIII ; mechanical properties ; alkali-activated concrete ; geopolymer concrete ; flexure ; beams ; fiber-reinforced concrete ; crack spacing ; tension stiffening ; bamboo ash ; supplementary materials ; elevated temperature ; high volume fly ash (HVFA) ; steel reinforcing fiber ; jacketing ; environmental impact ; fibre reinforced ; alkali-activated ; strain hardening ; recycled cementitious supplementary material ; comprehensive concrete recycling ; recycled fine fraction ; rehydration reactivity ; compressive strength ; ground granulated blast furnace slag ; apparent activation energy ; equivalent age ; construction debris ; recycling ; circular economy ; eco-friendly concretes ; fly ash (FA) ; silica fume (SF) ; palm oil fuel ash (POFA) ; rice husk ash (RHA) ; sewage sludge ash (SSA) and sugarcane bagasse ash (SBA) ; mine tailings ; marble dust ; construction and demolition debris (CDD) ; porous feldspar ; activation ; substitute material ; energy saving concrete ; calcined clay ; binder ; supplementary cementitious materials ; cement-based materials ; steatite ; wood particles ; Portland cement ; fire performance ; tensile strength ; micro-silica/silica fume ; steel fiber ; high performance concrete (HPC) ; self-consolidating concrete (SCC) ; flowability ; freeze-thaw cycle ; fire resistance ; bentonite ; clays ; cryogenic condition ; GGBS ; thermal conductivity ; semi-adiabatic test ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: With the announcement of the European Green Deal, which defines a set of policy initiatives aimed at achieving a 50–55% reduction in carbon emissions by 2030 and making Europe climate neutral in 2050, the challenge of energy transition becomes even more critical. The transformation of national energy systems towards sustainability is progressing throughout all Central and Eastern European (CEE) countries, yet the goals and results are different. Most EU Member States have made substantial progress towards meeting their long-term commitments of emissions reductions. However, some bloc members have struggled to meet their obligations. An effective energy transition requires the introduction of appropriately designed policy instruments and of robust economic analyses that ensure the best possible outcomes at the lowest costs for society. In this context, this Special Issue aims to bring into the discussion the challenges that CEE countries have to face and overcome while undergoing energy transition.
    Keywords: climate change ; food security ; grand challenges ; multiple factor analysis ; regional studies ; renewable energy ; sustainable development goals ; support systems ; energy policy ; cogeneration ; capacity market ; individual cogeneration premium ; trade globalization ; financial globalization ; CO2 emissions ; real GDP per capita ; bootstrap panel Granger causality ; EU transition economies ; photovoltaics ; renewable energy sources ; “My Electricity” ; renewable energy policy ; Poland ; “Mój Prąd” ; grant ; renewable energy grants ; renewable energy support ; economic appraisal ; social discount rate ; Ramsey formula ; consumption rate of interest ; social opportunity cost ; renewable energy sources (RES) ; green energy transformation ; sustainable development ; energy cooperatives ; coopetition ; Renewable Energy Communities ; management ; households ; energy consumption ; platform ; EU ETS ; CO2 ; emissions trading ; energy companies from Central and Eastern Europe ; decarbonisation ; energy transition ; low-carbon technology ; climate and energy policy ; indicators ; biomass ; electric vehicle ; electromobility ; energy balance ; efficiency engines ; clustering ; charging stations ; data analysis ; hydrogen cells ; energy law ; customer preferences ; electric car ; PHEV ; driving technique ; limestone sorbents ; flue gas desulphurisation ; FGD gypsum ; coal-fired power plants ; climate policy ; capacity adequacy ; linear programming ; COVID-19 pandemic ; lockdown ; electricity demand profiles ; Polish energy mix ; energy transition in Poland ; social acceptance ; carbon emissions ; fleet electrification ; sustainable mobility ; fleet management ; energy mix ; onshore wind ; risk assessment ; cash-flows ; discount rate ; cost of capital ; cost of equity ; district heating ; decarbonization ; energy efficiency ; Hubgrade ; remuneration mechanism ; power generation ; new investments ; combined heat and power ; optimization ; thermal energy storage ; uncertainty ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: Animal production (e.g., milk, meat, and eggs) provides valuable protein production for human beings and animals. However, animal production is facing several challenges worldwide such as environmental impacts and animal welfare/health concerns. In animal farming operations, accurate and efficient monitoring of animal information and behavior can help analyze the health and welfare status of animals and identify sick or abnormal individuals at an early stage to reduce economic losses and protect animal welfare. In recent years, there has been growing interest in animal welfare. At present, sensors, big data, machine learning, and artificial intelligence are used to improve management efficiency, reduce production costs, and enhance animal welfare. Although these technologies still have challenges and limitations, the application and exploration of these technologies in animal farms will greatly promote the intelligent management of farms. Therefore, this Special Issue will collect original papers with novel contributions based on technologies such as sensors, big data, machine learning, and artificial intelligence to study animal behavior monitoring and recognition, environmental monitoring, health evaluation, etc., to promote intelligent and accurate animal farm management.
    Keywords: pig weight ; body size ; estimation ; deep learning ; convolutional neural network ; pig identification ; mask scoring R-CNN ; soft-NMS ; group-housed pigs ; audio ; dairy cow ; mastication ; jaw movement ; forage management ; precision livestock management ; equine behavior ; wearable sensor ; intermodality interaction ; class-balanced focal loss ; absorbing Markov chain ; cow behavior analysis ; prediction of calving time ; cow identification ; EfficientDet ; YOLACT++ ; cascaded model ; instance segmentation ; generative adversarial network ; machine learning ; automated medical image processing ; deep neural network ; animal science ; CT scans ; computer vision ; cow ; extensive livestock ; sensorized wearable device ; monitoring ; parturition prediction ; radar sensors ; radar signal processing ; animal farming ; computational ethology ; signal classification ; wavelet analysis ; dairy welfare ; hierarchical clustering ; mutual information ; precision livestock farming ; time budgets ; unsupervised machine learning ; wearables design ; animal-centered design ; animal telemetry ; modularity ; smart collar ; design contributions ; additive manufacturing ; low-frequency tracking ; commercial aviary ; laying hens ; false registrations ; tree-based classifier ; animal behaviour ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-11-17
    Description: This book focuses on the modelling and the design process of gas bearings, on the experimental validation of such models, and on their applications. In particular, recent developments about foil bearings, aerostatic bearings, porous bearings, and non-contact precision positioning systems are shown.
    Keywords: aerostatic spindle ; fluid–structure interaction ; restrictor geometrical parameters ; structural dimension ; optimal design ; bump foil gas bearing ; thermo-hydrodynamic model ; temperature field ; thermal characteristics analysis ; foil bearing ; turbo machinery ; gas bearing ; industrial application ; air-bearing ; precision positioning ; tribotronics ; rotation accuracy ; roundness ; cylindricity ; dispersion coefficient ; gas bearings ; porous materials ; rotordynamics ; force coefficients ; aerostatic journal bearings ; porous bearing ; annular-thrust bearing ; numerical simulation ; finite element method ; dynamic coefficients ; eccentricity ; tilting ; tilting velocity ; partial arc ; PCB spindles ; dynamic identification ; logarithmic decrement method ; complex exponential method ; half-power method ; damping factor identification ; rigid rotor ; modal analysis ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: This book derives from the Special Issue of the Manufacturing Engineering Society 2019 (SIMES-2019) that has been launched as a joint issue of the journals Materials and Applied Sciences. The 29 contributions published in this Special Issue of Materials present cutting-edge advances in the field of manufacturing engineering focusing on additive manufacturing and 3D printing; advances and innovations in manufacturing processes; sustainable and green manufacturing; manufacturing of new materials; metrology and quality in manufacturing; industry 4.0; design, modeling, and simulation in manufacturing engineering; and manufacturing engineering and society. Among them, the topic "Additive Manufacturing and 3D Printing" has attracted a large number of contributions in this journal due to its widespread popularity and potential.
    Keywords: Bayesian inference ; control chart ; dynamic methodology ; hidden Markov chain ; occupational accident ; risk assessment ; risk control ; risk management ; Fused Deposition Modeling ; roughness ; Polylactic Acid ; print orientation angle ; build angle ; titanium alloys ; sustainable lubrication ; cryogenic lubrication ; MQL ; OD grinding ; CBN ; dressing ; rotary dresser ; wear ; CVD diamond ; additive manufacturing ; 3D printing ; fused filament fabrication ; flexural properties ; fatigue ; PLA ; cements ; ballast waste ; cornubianite ; mechanical properties ; Spain ; joining ; forming ; sheet–tube connections ; experimentation ; modelling and simulation ; quality enhancement ; process parameters ; design optimization ; calibration artifact ; kinematic support ; dimensional metrology ; machine tool ; length measurement ; rapid prototyping ; efficiency ; printing time ; experimental model ; prepeg ; carbon fiber ; Raman spectroscopy ; AWJM ; waterjet ; CFRP ; kerf taper ; surface quality ; metal forming ; bi-metallic ; cylinders ; compression ; finite elements ; microscopy ; cold expansion ; mandrel ; cold-forming ; swaging ; shipbuilding ; LARG paradigm ; supply chain ; coordinate metrology ; confocal microscopy ; measurement ; calibration ; traceability ; uncertainty ; quality assessment ; digital image correlation ; indentation process ; incremental forming ; finite element method ; material flow ; AWJM (Abrasive waterjet machining) ; CFRTP (Carbon fiber-reinforced thermoplastics) ; RSM (response surface methodology) ; ANOVA (Analysis of variance) ; C/TPU (carbon/polyurethane) ; image processing ; position control ; accuracy ; micromachines ; position compensation ; inverse conical perspective ; micromanufacturing ; manufacturing systems ; mechatronics ; FDM ; bimodulus materials ; standards ; finite element analysis (FEA) ; ABS ; anisotropy ; infill density ; layer orientation ; ASTM D638–14:2014 ; ISO 527–2:2012 ; grounding electrodes in two-layered soils ; step and touch potentials ; step potentials upper bound ; orthoses ; prostheses ; fused deposition modeling ; laminated object manufacturing ; selective laser sintering ; laser tracker ; Monte Carlo method ; verification ; green manufacturing ; sustainability metrics ; cleaner product life cycle ; material removal processes ; hybrid components ; light alloys ; magnesium ; aluminum ; drilling ; dry machining ; cold compressed air ; lubrication and cooling systems ; arithmetical mean roughness ; Ra ; average maximum height ; Rz ; repair and maintenance operations ; fused deposition modelling ; composites ; polymer injection moulding ; polyamide ; metal matrix composite ; Al-SiC ; microstructure ; machining ; cooling compressed air ; thrust force ; energy ; material removed rate ; PEEK-GF30 ; multi-response optimization ; sustainable manufacturing ; metrology ; industry 4.0 ; modeling and simulation ; quality in manufacturing ; technological and industrial heritage ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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  • 29
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: This book presents 22 of the accepted presentations at the 1st International Electronic Conference on Algorithms which was held completely online from September 27 to October 10, 2021. It contains 16 proceeding papers as well as 6 extended abstracts. The works presented in the book cover a wide range of fields dealing with the development of algorithms. Many of contributions are related to machine learning, in particular deep learning. Another main focus among the contributions is on problems dealing with graphs and networks, e.g., in connection with evacuation planning problems.
    Keywords: bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-03-21
    Description: One of the great challenges of contemporary society is establishing a sustainable way of life in harmony with the environment without compromising economic growth and technological development. On the other hand, the increase in the world population has driven per capita consumption, and consequently, the generation of waste. Because of this, new materials are being developed from different types of waste. This Special Issue aims to highlight and share recent scientific findings in the area of “New Environmentally Friendly and Sustainable Materials” manufactured from different material types (polymers, ceramics, metallics, and composites) and urban, industrial, mining and agricultural wastes. Moreover, scientific topics such as improving performance and durability, materials characterization, hybrid materials, foams and porous materials, trends and advances, and mechanical, electrical, magnetic, optical, and thermal properties will also be accepted.
    Keywords: palygorskite ; adsorption ; anionic dye ; cationic dye ; water treatment ; perlite tailings ; aggregate ; alkali–silicate reaction ; ceramic residue ; alkaline activation ; experimental design ; durability tests ; kaolin ; solid residues ; pozzolanic activity ; cement mortar ; carbonation ; poly (lactic acid) ; high-density biopolyethylene ; bioblends ; compatibilization ; scheelite tailings ; sustainable ceramic mass ; red ceramic ; firing parameters ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: The aim of this Special Issue is to gather recent advances and development in target tracking techniques to determine how they can be adapted for modern radar and sonar systems. After peer review, 17 articles in related areas have been accepted for publishing in this Special Issue. The published articles cover a range of topics and applications central to target tracking. There are eight papers about general multi-target tracking, including the topics of joint tracking and classification [3], adaptive estimation using clutter measurement probability [6], joint localization and tracking [7], extended target tracking [8], tracking with smoothing [11], DOA tracking [12], tracking under low detection probability [14], and sonar tracking and interception [17]. Three papers address multi-sensor multi-target tracking methods. Specifically, a multi-target estimating method for pulsed radar systems is proposed in [2], a joint dwell time and bandwidth optimization method in a radar network is proposed in [4], a and multiple marine ship tracking method with unknown backgrounds is presented in [9]. There are 2 papers [10,15] on the problem of target assignment in multi-sensor multi-target tracking. Moreover, Mallick et al. considered measures of nonlinearity of a polynomial curve in two dimensions [1], Zhao et al. explored the use of calibration targets for which the positions are known to the MPR system, to counter the loss in target localization accuracy arising from transmitter/receiver position errors [13], and Li et al. proposed an algorithm to apply the frequency diversity technique to passive azimuth estimation in [16].
    Keywords: Target tracking ; target detection ; radar system ; sonar system ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-01-05
    Description: Due to the intensive development of the global economy, many problems are constantly emerging connected to the safety of ships’ motion in the context of increasing marine traffic. These problems seem to be especially significant for the further development of marine transportation services, with the need to considerably increase their efficiency and reliability. One of the most commonly used approaches to ensuring safety and efficiency is the wide implementation of various automated systems for guidance and control, including such popular systems as marine autopilots, dynamic positioning systems, speed control systems, automatic routing installations, etc. This Special Issue focuses on various problems related to the analysis, design, modelling, and operation of the aforementioned systems. It covers such actual problems as tracking control, path following control, ship weather routing, course keeping control, control of autonomous underwater vehicles, ship collision avoidance. These problems are investigated using methods such as neural networks, sliding mode control, genetic algorithms, L2-gain approach, optimal damping concept, fuzzy logic and others. This Special Issue is intended to present and discuss significant contemporary problems in the areas of automatic control and the routing of marine vessels.
    Keywords: collision avoidance ; ship domain ; fuzzy inference ; collision risk ; early warning system ; marine vessel ; tracking controller ; stability ; functional ; optimal damping ; fin stabilizer ; ship turning ; heel/roll reduction ; L2-gain ; uncertainty ; non-linearity ; ship motion control ; path-following ; guidance algorithm ; nonlinear feedback ; AIS Data ; trajectory prediction ; waterway transportation ; neural networks ; autonomous navigation ; multi-joint autonomous underwater vehicle (MJ-AUV) ; 3-dimensional modeling ; LQR ; LESO ; multicriteria route planning ; genetic algorithm ; particle swarm optimization ; oceanic meteorological routing ; cooperative game theory ; supply chain management ; supply disruption ; unmanned surface vehicle ; Guidance, Navigation and Control ; course keeping ; adaptive sliding mode ; unmanned surface vehicle (USV) ; system identification ; traditional neural network ; physics-informed neural network ; zigzag test ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 33
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-03-27
    Description: In this book, the performance of homogeneous and heterogeneous catalysts applied in biomass processing was assessed, paying special attention to the main advantages and challenges related to their use. Indeed, these challenges are opportunities to develop new research lines that could be fruitful in the near future. Thus, different studies are included, dealing with diverse subjects, with one main goal in common: the improvement of different aspects related to biomass processing through the use of catalysts.
    Keywords: nanospheroids ; zinc-doped CaO ; natural triglycerides ; aminolysis ; heterogeneous catalyst ; recyclability ; catalyst ; sodium hydroxide ; fatty acid methyl ester ; central composite rotatable design ; operational conditions ; aerated irrigation ; soil enzyme activity ; soil microbial biomass ; soil respiration ; bio-derived phenol ; Ni-Cu-Co/Al2O3 ; in-situ hydrodeoxygenation ; cyclohexane ; hydrogenolysis ; biomass ; 5-hydroxymethylfurfural ; 2,5-furandicrboxylic acid ; aerobic oxidation ; metal catalysts ; acid catalysis ; biodiesel ; biofuel ; esterification ; fatty acid ; methanolysis ; molybdenum oxide ; transesterification ; vegetable oil ; fatty acid methyl esters ; 2-ethyl-1-hexanol ; 1-heptanol ; 4-methyl-2-pentanol ; viscosity ; flash and combustion points ; methyl oleate ; methyl ricinoleate ; cellulase ; cellulose ; paper sludge ; Saccharomyces cerevisiae ; synergism ; furfural ; carbon-supported catalyst ; xylose conversion ; iron ; heterogeneous catalysts ; thermoset polymer ; epoxy ; cellulose nanofiber ; curing characteristics ; thermal properties ; mechanical properties ; RSM ; numerical optimization ; keratinase ; feather ; Bacillus sp. ; amino acids ; n/a ; thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GP Research and information: general
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  • 34
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-03-27
    Description: In recent years, there has been significant progress in biomass research as bio-based products are beneficial to the environment, energy-saving, and cost-saving if they are processed properly. The book collects the most state-of-the-art works related to the natural fiber composites in a Special Issue entitled “Natural Fiber Biocomposites”. These works address all the issues related the manufacturing of natural fiber composite products, from (1) raw materials, such as wood, flax fiber, and cellulose nanofiber; to the (2) raw material treatments, such as furfuryl alcohol pretreatment, ultrasonic vibration treatment (UVT), and extraction method for the resins; to the (3) process of the composites fabrication, such as thermo-hygro-mechanical densification; and to the (4) performance of the composites, including mechanical, moisture absorption, opacity, thermal, and biodegradability. Discussions on the adhesives/resins used in the natural fiber composites fabrication, such as dried distiller’s grains and solubles (DDGS), pennycress (Thlaspi arvense L.) press cakes (PPC), and lesquerella [Lesquerella fendleri (A. Gary) S. Watson] press cake (LPC), starch, and polylactic acid (PLA), are also part of the book. It is believed the technical information presented in this book will contribute to the development of the bio-based composites.
    Keywords: flexural properties ; panels ; by-products ; non-dietetic uses ; modulus of rupture ; modulus of elasticity ; nanofiber cellulose ; water hyacinth ; thermoplastic starch ; bionanocomposites ; ultrasonic vibration time ; density ; gas permeability ; thermal conductivity ; densification ; durability ; green composites ; cellulosic fibers ; water uptake ; biocomposite ; starch ; cellulose ; ultrasonication ; moisture absorption ; opacity ; mat porosity ; mat thermal conductivity ; fiber size ; hot-pressing process ; PLA ; flax ; thermoplastic composites ; mechanical properties ; biodegradability ; thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GP Research and information: general
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  • 35
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: Water resource systems planning and management issues are often very complex. The pressures on water resources are increasing with the expanding scale of global development involving ecological and hydrological consequences in river basins and groundwater aquifers, and water-quality deterioration. All this leads to the increasing need for investigating the effects of different human influences and impacts on the hydrological regime and on water quality like as land-use changes, climatic variability and climate changes, and intensified water and land-use practices. The Special Issue “Advances in Flow Modeling for Water Resources and Hydrological Engineering” presents a collection of scientific contributions that provides a sample of the state-of-the-art and forefront research in this field. In particular, basin-wide water resources planning, watershed management, flood forecasting, droughts, climate change impacts on flood risk and water resources, reservoir operation and management, river morphology and sediment transport, river water quality, and irrigation were the main research and practice targets that the papers published in this Special Issue aimed to address.
    Keywords: stream discharge ; near-natural catchment ; trend analysis ; NW Spain ; field-scale hydrological models ; DRAINMOD ; tile drainage ; nitrate leaching ; climate change ; venturi flume ; CFD ; OpenFOAM ; RANS ; turbulence model ; numerical simulation ; Parshall flume ; water balance ; Thornthwaite–Mather method ; Python ; serverless computing approach ; watershed hydrology ; Yukon River plume ; river discharge ; sediment load ; flocculation ; plunging ; underflow ; flood ; geological categories ; probability ; Medvednica Mt. ; Croatia ; numerical model ; shallow water equations ; dam break ; dry and wet beds modeling ; river flow ; open channels ; eddy viscosity ; parabolic profile ; streamwise velocity distribution ; turbulent kinetic energy (TKE) ; mixing length ; log law ; log wake ; hydrological modeling ; streamflow ; SWAT ; Venturi flume ; nonlinear model ; burned areas ; hydrological modelling ; infiltration capacity ; SCS-CN ; post-fire ; shock wave ; spillway ; spillway pier ; flat chute ; physical modeling ; hydrology ; tiling ; subsurface flow ; Iowa ; variational ensemble forecasting ; hydrologic processing strategies or hypotheses ; SR2MR streamflow forecasting ; real-time hydrologic forecasting system ; satellite precipitation products ; multi models ; best streamflow prediction ; inverse variance weighting ; inverse probability weighting ; representative concentration pathways 4.5 and 8.5 ; modified Mann–Kendall trend test ; Ziway Lake Basin ; Rift Valley ; Ethiopia ; maximum precipitation ; maximum flow ; gravel bed rivers ; skin friction ; flow resistance ; bed forms ; energy slope ; boundary layer characteristics ; abrupt negative step ; hydraulic jump ; energy loss ; momentum closure ; Boussinesq equations ; specified intervals ; MODIS ; evapotranspiration ; multi-variable calibration ; regional flood frequency ; ungauged catchments ; direct rainfall modelling ; headwater catchments ; Australia ; drought ; water ; water resources modelling ; flood forecast ; climate-change impacts ; river quality ; river morphology ; watershed management ; reservoir management ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 36
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: According to the National Research Council, the use of embedded systems throughout society could well overtake previous milestones in the information revolution. Mechatronics is the synergistic combination of electronic, mechanical engineering, controls, software and systems engineering in the design of processes and products. Mechatronic systems put “intelligence” into physical systems. Embedded sensors/actuators/processors are integral parts of mechatronic systems. The implementation of mechatronic systems is consistently on the rise. However, manufacturers are working hard to reduce the implementation cost of these systems while trying avoid compromising product quality. One way of addressing these conflicting objectives is through new automatic control methods, virtual sensing/estimation, and new innovative hardware topologies.
    Keywords: independent-wheel drive ; steering assistance ; nonlinear system ; active disturbance rejection control ; smooth road feeling ; city bus transport ; electric vehicles ; electrification ; software tool ; planning ; control ; charging management ; simulation ; analysis ; energy management ; hybrid electric vehicle ; powertrain electrification ; equivalent consumption minimization ; supercharging ; hardware-in-the-loop experiments ; driving force distribution ; decentralized traction system ; 4WD electric vehicle ; energy efficiency ; traction control ; efficiency optimization ; air mobility ; fuel cell hybrid aircraft ; stochastic optimal control ; drift counteraction optimal control ; normal force estimation ; unbiased minimum variance estimation ; controller output observer ; youla parameterization ; adaptive cruise control ; automated driving ; energy-saving ; fuel-saving ; optimal control ; passenger comfort ; new energy vehicles ; speed prediction ; macroscopic traffic model ; traffic big-data ; deep learning ; vehicle lateral dynamic and control ; unresolved issues ; application of speed prediction ; electric vehicle ; hybrid vehicle ; lithium ion ; ultracapacitor ; battery aging ; EHB ; EMB ; EWB ; system modeling ; bond graph ; optimization ; control design ; Youla parameterization ; robust control ; nonlinear optimization ; brake-by-wire ; actuator ; electro-mechanical brake ; electronic wedge brake ; electro-hydraulic brake ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-24
    Description: This book consists of 12 original research articles and one comprehensive review from invited chemists from around the world covering different fields of chemistry. The article on analytical chemistry features the analysis of highly polar metabolites in biological fluids, the determination of non-steroidal anti-inflammatory drugs with a gas chromatography coupled to ion trap mass spectrometry, and the synthesis of MoS2 nanostructures for the production of near-infrared photodetectors. The environmental chemistry articles include discussions on weekly and longitudinal elemental variability in hair samples, use of bottom ash as a stabilizing agent, the removal of phosphorus from the effluent of a paper company, and the chemistry and consequences of arsenic contamination of groundwater. Polymer/coating chemistry coverage includes the incorporation of superabsorbent polymers into cementitious-based composite materials, the use of licorice root extracts for edible coatings and postharvest quality improvement, and the use of mucin-grafted polyethylene glycol-based micro- for the oral delivery of insulin. The reported research on nanomaterials chemistry covers the synthesis of ZnO-doped ceria nanorods made up of CeO2/ZnO mixed oxides, and the production of carbon fiber-reinforced plastic bonded joints with novel carbon nanotube (CNT) adhesive films. A final paper on flavonol chemistry utilizes LC-MS/MS to investigate the stability of four common types of dietary flavonols.
    Keywords: carbon nanotubes ; aging ; structural health monitoring ; water uptake ; adhesive film ; surfactant ; insulin ; mucin ; polyethylene glycol ; microparticles ; toxicology ; biomass production ; Chlorella vulgaris ; microalgae ; nutrients removal ; paper industry effluent ; effluent treatment ; non-steroidal anti-inflammatory drug (NSAID) ; urine ; doping analysis ; dispersive liquid–liquid microextraction (DLLME) ; gas chromatography mass spectrometry (GC-MS) ; sewage sludge disposal ; municipal solid waste ; co-combustion ; fly ash ; bottom ash ; heavy metal stabilization ; polar amino acids ; mixed cationic-RP column ; LC-HRMS ; BMAA ; TMAO ; flavonols ; H2O2 ; saliva ; metabolism ; oxidation ; LC-MS/MS ; CeO2/ZnO mixed oxides ; zinc oxide ; ceria nanorods ; oxygen storage capacity ; CO oxidation ; licorice ; chitosan ; edible coating ; strawberry shelf life ; rheological properties ; ultrasound-assisted extraction ; mechanical properties ; microstructure ; self-healing ; SAP ; microCT ; cementitious materials ; mortar ; hairs ; variability ; week ; longitudinal ; element ; metals ; INAA ; occupational exposure ; unexposed subject ; MoS2 ; microwave-assisted hydrothermal synthesis ; low-cost photosensors ; arsenic ; groundwater ; contamination ; water quality ; domestic filter systems ; health effects ; treatment methods ; Bangladesh ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: In the last few years, huge amounts of progress have been made regarding remote sensing in the field of computer vision. This success and progress is mostly due to the effectiveness of deep learning (DL) algorithms. In addition, the remote sensing community has shifted its attention to DL, and DL algorithms have been used to achieve significant success in many image analysis tasks. However, with regard to remote sensing, a number of challenges caused by difficulties in data acquisition and annotation have not been fully solved yet. This reprint is a collection of novel developments in the field of remote sensing using computer vision, deep learning, and artificial intelligence. The articles published involve fundamental theoretical analyses as well as those demonstrating their application to real-world problems.
    Keywords: tropical cyclone detection ; meteorological satellite images ; deep learning ; deep transfer learning ; generative adversarial networks ; image target detection ; multiple scales ; any angle object ; remote sensing of small objects ; point clouds ; 3D tracking ; state estimation ; Siamese network ; deep LK ; convolutional neural networks (CNNs) ; multilayer feature aggregation ; attention mechanism ; remote sensing image scene classification (RSISC) ; hyperspectral image classification ; variational autoencoder ; generative adversarial network ; crossed spatial and spectral interactions ; crater detection algorithm (CDA) ; R-FCN ; self-calibrated convolution ; split attention mechanism ; transfer learning ; remote sensing ; oriented object detection ; rotated inscribed ellipse ; remote sensing images ; keypoint-based detection ; gated aggregation ; eccentricity-wise ; object detection ; remote sensing image ; anchor free ; oriented bounding boxes ; deformable convolution ; three-dimensional radar imaging ; convolution neural network ; super-resolution ; side-lobe suppression ; terahertz radar ; aerial image generation ; satellite image generation ; structure map ; style vector ; high resolution image ; self-constructing graph ; semantic segmentation ; GAN ; image generation ; data augmentation ; remote sensing disaster image ; convolutional neural network ; double-stream structure ; feedback ; encoder–decoder network ; dense connections ; instance segmentation ; Swin transformer ; cascade mask R-CNN ; remote sensing image retrieval ; hashing algorithm ; binary code ; triplet ordinal relation preserving ; cross entropy ; feature distillation ; forest fire ; smoke segmentation ; Smoke-Unet ; residual block ; Landsat-8 ; band sensibility ; unsupervised domain adaptation ; bidirectional domain adaptation ; image-to-image translation ; generative adversarial networks (GANs) ; U-Net ; high-density laser scanning ; logging trails ; digital surface model ; canopy height model ; commercial thinning ; convolutional neural networks ; multiview ; satellite and UAV image ; joint description ; image matching ; neural network ; contextual information ; Anchor Free Region Proposal Network ; polar representation ; 3D object detection ; point cloud ; sampling ; single-stage ; rotated object detection ; angle-based detector ; angle-free framework ; rotated region of interests (RRoIs) ; representative points ; plastic ; UAVs ; contrastive learning ; mutual guidance ; spatial misalignment ; vehicle detection ; ANN ; automatic classification ; risk mitigation ; machine learning ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-24
    Description: This reprint contains contributions focusing on recent developments in the design, synthesis, and characterization of nanocatalysts intended for applications in environmental protection and low carbon footprint power generation processes thanks to the overall effort of scientists and researchers for a cleaner and more sustainable future. New synthetic approaches to the production and in-depth characterization of innovative nanostructured composites and hybrid materials with well-controlled textural and surface chemistry properties that give performance advantages in a variety of important environmental and energy applications such as CO2 utilization/recycling, hydrogen and syngas production, biosensing, and biocatalysis as well as in ways to obtain useful materials from waste are included, among others. This reprint is the result of one of the cutting-edge Special Issues in the field of Nanoscience and Nanotechnology organized by Nanomaterials to celebrate its 10th anniversary.
    Keywords: nanocarbon ; rocket fuels ; furfuryl alcohol ; fuming nitric acid ; waste ; hypergolics ; carbon materials ; CO2 methanation ; bimetallic catalysts ; Ni-based catalysts ; promoters ; alloy nanoparticles ; bimetallic synergy ; hybrid nanoflowers ; biosynthesis ; influencing factors ; biosensing cues ; bio-catalysis ; propane ; steam reforming ; hydrogen production ; perovskite ; ruthenium ; rhodium ; La2O2CO3 ; stability ; propane steam reforming ; H2 production ; Ni ; TiO2 ; CeO2 ; YSZ ; ZrO2 ; Al2O3 ; drifts ; n/a ; HDO reaction ; transition metal phosphides ; structure ; acidity ; characterization ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 40
    Publication Date: 2023-09-11
    Description: This Proceedings reprint is a collection of papers from the E-Textiles 2022 Conference and represents the state of the art from both academia and industry in the development of smart fabrics that incorporate electronic and sensing functionality. The Proceedings reprint presents a wide range of applications of the technology, including wearable textile devices for healthcare applications such as ECG measurements and functional electrical stimulation. Manufacturing approaches include printed smart materials, knitted e-textiles and flexible electronic circuit assembly within fabrics and garments. Supplying power is a constant challenge for all wireless wearable technologies, and therefore this collection includes papers on triboelectric energy harvesting and zinc-ion batteries fabricated on top of textile substrates.
    Keywords: electronics ; wearables ; smart fabrics ; e-textiles ; sensing ; healthcare devices ; textile antennas ; energy harvesting ; printed electronics ; knitted e-textiles ; functional yarns&nbsp ; &nbsp ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 41
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: Additive manufacturing (AM) has been at the center of attention of studies and industry. The AM process involves gradual build-up in layers, and capability in the fabrication of complex shapes with low cost. Advances in the processing of polymers and polymer composites with this method are in the domain of this journal, which can provide a vital resource for anyone involved in additive manufacturing. This Special Issue cover original reviews and research articles dedicated to: AM processes of manufacturing and materials; Process–microstructure/morphology–properties relationships; Optimization of process parameters; Mechanical properties of fabricated parts; Modeling and simulation.
    Keywords: hybrid bio-inspired design ; nacre ; woodpecker beak ; mechanical performance ; failure mode ; finite element simulation ; Taguchi design ; ANOVA ; FFF ; response surface ; cylindricity ; process optimization ; polymer gear ; additive manufacturing ; differential pressure vacuum casting ; polyurethane resin ; abrasion ; fused filament fabrication ; temperature distribution modelling ; dynamic and static model ; thermal history ; impeller ; polymers ; polymer composites ; manufacturing process ; conventional manufacturing ; injection moulding ; performance ; face mask ; medical devices ; filtration performance ; 3D reconstruction ; customized implant ; PEEK ; accuracy evaluation ; finite element analysis ; 3D printing ; fused deposition modeling ; tensile testing ; infill rate ; crystallizable PET ; micromechanical model ; viscoplasticity ; temperature effect ; biaxial loading ; polylactic acid (PLA) ; dimensional deviation ; definitive screening design ; desirability function ; material extrusion ; rheological behavior ; mechanical properties ; temperature profile ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-09
    Description: This reprint presents groundbreaking discoveries, practical techniques, and rigorous analyses related to the cultivation, preparation, and exploitation of mycelium composites. The papers cover a wide range of topics, including functional modifications of mycelium with inorganic particles, modifying and assessing the mechanical properties of mycelium composites, strategies for improving the flexural behaviour of composites, beehives from fungal materials, bio-welding and reinforcement of composites, bioreactors for fungal production, co-production of composites by fungi and bacteria, growing large-scale mycelium structures, sound absorption by composites, and the geometrical parameterisation of fungi. This informative compendium of techniques, methods, and insights on growing fungal material appeals to readers from all walks of life, from high school pupils to university professors, from mathematicians, computer scientists, and engineers to chemists, from craft practitioners to industrial producers of fungal materials, and from biologists to architects and artists.
    Keywords: mycelium-based composites ; additive manufacturing ; bio-based materials ; circular construction ; digital fabrication ; mycelium ; bio-composites ; bio-fabrication ; ultrasonic welding ; wood printing ; robotic fabrication ; reinforced composites ; natural fiber reinforced polymers ; NFRP ; growing materials ; rattan ; lightweight structure ; architecture ; structural design ; computational design ; subtractive manufacturing ; circular economy ; compressive structures ; compressive strength ; digital image correlation ; masonry ; growth ; mechanical properties ; materials science ; mycelium-based composite ; biomaterials ; natural composites ; bacterial cellulose ; biocompatibility ; knitted fabric ; material tinkering ; lignocellulosic fibers ; natural fiber reinforcement ; mechanical characteristics ; manufacturing variables ; nanoclay ; fungal fruiting bodies ; parametric design thinking ; plasticity ; linearity ; non-linearity ; biohybrid architecture ; bio fabrication ; living architecture ; beehive ; 3D printing ; mycelium materials ; symbiosis ; multispecies architecture ; healthy materials ; binding capacity ; bio-adhesives ; building biomaterials ; fungal mycelium ; mechanical performance ; acoustic materials ; sound absorption ; fungal architecture ; myceliated material ; living material ; sustainability ; biotechnology ; compression ; bending ; waste upcycling ; mycoremediation ; myco-materials ; myco-fabrication ; sustainable buildings ; sustainable structures ; architectural design ; material ethics ; modular chain bioreactor ; solid-state fermentation ; mycelium production ; Ganoderma lucidum ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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  • 43
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-09-11
    Description: This Proceedings reprint comprises a collection of the papers presented at the second International Conference on Computational Engineering and Intelligent Systems, held online in the period 18–20 November 2022. The conference focused on computational engineering including modeling, simulation, analysis, and intelligent systems driven by computing and artificial intelligence. The papers included in this collection deal with a range of topics including smart grids, renewable energies, intelligent safety and control systems, power quality and cloud computing.
    Keywords: Computational Engineering ; Intelligent systems ; Optimization ; Artificial Intelligence ; &nbsp ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 44
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-01-08
    Description: Agricultural production management is facing a new era of intelligence and automation. With developments in sensor technologies, the temporal, spectral, and spatial resolution from ground/air/space platforms have been notably improved. Optical sensors play an essential role in agriculture production management. Specifically, monitoring plant health, growth conditions, and insect infestation has traditionally involved extensive fieldwork. We believe that sensors, artificial intelligence, and machine learning are not simply scientific experiments but opportunities to make our agricultural production management more efficient and cost-effective, further contributing to the healthy development of natural–human systems. This reprint compiles the latest research on optical sensors and machine learning in agricultural monitoring, including related topics: Machine learning approaches for crop health, growth, and yield monitoring; Combined multisource/multi-sensor data to improve the crop parameters mapping; Crop-related growth models, artificial intelligence models, algorithms, and precision management; Farmland environmental monitoring and management; Ground, air, and space platforms application in precision agriculture; Development and application of field robotics; High-throughput field information survey; Phenological monitoring.
    Keywords: soil moisture content ; spectral processing technology ; hyperspectral ; principal component analysis ; feature parameters extraction ; yield estimation ; rice ; unmanned aerial vehicle (UAV) ; tasseled cap transformation ; precision agriculture ; weed identification ; YOLOv4-Tiny ; attention mechanism ; multiscale detection ; angle normalization ; vegetation canopy reflectance ; geostationary satellite ; path length correction ; Minnaert model ; GOCI ; winter wheat ; LSTM ; LAI ; deep learning ; land use ; land cover ; classification ; random forest ; Sentinel data ; SRTM ; feature selection ; accuracy ; validation ; unmanned aerial vehicle ; soybean ; convolutional neural network ; multispectral imagery ; fusarium head blight ; texture indices ; machine learning ; cropland ; multi-seasonal ; fractal feature ; feature extraction ; accuracy evaluation ; black soil ; UAV ; chlorophyll ; fractional vegetation cover ; maturity monitoring ; anomaly detection ; smart agriculture ; detection of apple leaf diseases ; YOLOv5 ; transformer ; CBAM ; crop type classification ; multi-temporal ; remote sensing ; dairy cows ; body condition score ; 3D TOF sensor ; non-contact evaluation ; recognize area of interest ; sugarcane clones ; canopy cover ; light interception ; biomass ; cane yield ; peanut southern blight ; reflection spectrum ; spectral index ; continuous wavelet transform ; VGNet ; corn diseases ; leaf detection ; lightweight ; transfer learning ; agriculture ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 45
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: Cement and lime currently are the most common binders in building materials. However, alternative materials and methods are needed to overcome the functional limitations and environmental footprint of conventional products. This Special Issue dedicated to “New frontiers in cementitious and lime-based materials and composites” gathers selected reviews and experimental articles that showcase the most recent trends in this multidisciplinary field. Authoritative contributions from all around the world provide important insights into all areas of research related to cementitious and lime-based materials and composites, spanning from structural engineering to geotechnics, including materials science and processing technology. This Topical Collection is intended to foster innovation and help researchers and developers to identify new solutions for a more sustainable and functional built environment.
    Keywords: durability ; hardened properties ; green composite ; fresh properties ; recycled concrete aggregates ; natural coarse aggregates ; enzyme-induced calcite precipitation ; microbial-induced calcite precipitation ; geotechnical engineering ; geoenvironmental engineering ; precast concrete wall ; interfacial bonding strength ; joint concrete ; interface processing ; washed rough surface ; roughness ; storage time ; cement mortar ; End-of-Life Tyre ; waste ; surface treatment ; compressive strength ; flexural strength ; workability ; fly ash ; freezing shaft sinking ; shaft lining structure ; uneven pressure ; hybrid fiber-reinforced concrete ; crack ; autogenous self-healing ; curing conditions ; supplementary cementitious materials (SCMs) ; GRC-PC ; integrated wall panels ; composite method ; shrinkage properties ; dissipation energy density ; high-strength concrete ; Weibull distribution ; damage mechanics ; constitutive model ; repeated impact ; ACI 544-2R ; high temperatures ; fire ; residual strength ; lime-cement mortar ; air-entrained agent ; heritage conservation ; reconstruction and restoration of historical buildings ; properties ; mechanical ; electrical resistivity ; ecofriendly ternary concrete ; SCBA ; SF ; coastal cemented soil ; nano silica ; iron tailings ; mechanical properties ; microscopic mechanism ; granite dust ; stabilizer ; particle size ; plasticity ; unconfined compression strength ; cement ; lime ; sustainable materials ; fibre-reinforced composite ; recycled aggregates ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 46
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: Exceptional loads on buildings and structures are known to take origin and manifest from different causes, like natural hazards and possible high-strain dynamic effects, human-made attacks and impact issues for load-bearing components, possible accidents, and even unfavorable/extreme operational conditions. All these aspects can be critical for specific structural typologies and/or materials that are particularly sensitive to external conditions. In this regard, dedicated analysis methods and performance indicators are required for the design and maintenance under the expected lifetime. Typical issues and challenges can find huge efforts and clarification in research studies, which are able to address with experiments and/or numerical analyses the expected performance and capacity of a given structural system, with respect to demands. Accordingly, especially for existing structures or strategic buildings, the need for retrofit or mitigation of adverse effects suggests the definition of optimal and safe use of innovative materials, techniques, and procedures. This Special Issue follows the first successful edition and confirms the need of continuous research efforts in support of building design under extreme loads, with a list of original research papers focused on various key aspects of structural performance assessment for buildings and systems under exceptional design actions and operational conditions.
    Keywords: blast loads ; slab-column joints ; prediction model ; damage level ; progressive collapse ; steel beam-to-column connections ; catenary mechanism ; double-span assemblies ; stiffness degradation ; timber-to-timber composite (TCC) joints ; push-out (PO) test setup ; inclined self-tapping screws (STSs) ; finite-element (FE) method ; cohesive zone modelling (CZM) method ; boundaries ; friction ; sensitivity study ; prototype abutment ; non-destructive test ; surcharge load ; mode number ; scour ; steel truss ; roof structure ; partial collapse ; finite element analysis ; lightning strike ; cable-stayed bridge ; social disaster ; blast scenario ; blast analysis ; LS-DYNA ; balau wood ; cross-arm ; transmission tower ; bracing system ; creep ; findley’s power law model ; burger model ; top-seat angle connections (TSACW) ; component-based models ; initial stiffness ; ultimate moment capacity ; moment-rotation relation ; artificial neural network (ANN) ; sensitivity analysis (SA) ; reinforced concrete column ; multi-column pier ; seismic behavior ; lap-splice ; transverse reinforcement ; plastic hinge ; ductility ; bonded-in rod (BiR) connections ; adhesives ; fracture modes ; moisture ; experiments ; linear elastic fracture mechanics (LEFM) ; analytical model ; aeroelastic experiments ; experimental uncertainty ; singular value decomposition ; correlation field ; cathedral ; foundation rehabilitation ; jacked-in piles ; soil injection ; cracks ; masonry ; differential equation of motion ; Legendre–Galerkin matrix (LGM) method ; algebraic polynomials ; single degree of freedom (SDOF) ; multi degree of freedom (MDOF) ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: Electrical machines are one of the most important components of the industrial world. They are at the heart of the new industrial revolution, brought forth by the development of electromobility and renewable energy systems. Electric motors must meet the most stringent requirements of reliability, availability, and high efficiency in order, among other things, to match the useful lifetime of power electronics in complex system applications and compete in the market under ever-increasing pressure to deliver the highest performance criteria. Today, thanks to the application of highly efficient numerical algorithms running on high-performance computers, it is possible to design electric machines and very complex drive systems faster and at a lower cost. At the same time, progress in the field of material science and technology enables the development of increasingly complex motor designs and topologies. The purpose of this Special Issue is to contribute to this development of electric machines. The publication of this collection of scientific articles, dedicated to the topic of electric machine design and application, contributes to the dissemination of the above information among professionals dealing with electrical machines.
    Keywords: electric AWD tractor ; SOC level ; simulation model ; load measurement system ; driving test ; brushless direct current motor with permanent magnet (BLDCM) ; winding configurations ; star ; delta ; star–delta ; fault states ; open circuit (OC) ; FFT ; neutral-point voltage ; electrical machine ; hydro generator ; faulty synchronization ; finite element method ; field-circuit modeling ; permanent magnet machines ; hybrid excitation ; electric vehicles ; wind power generator ; finite element methods ; variable speed machines ; synchronous generator ; permanent magnets ; demagnetization ; motor control ; switched reluctance motor ; MATLAB ; simulation ; wheel hub motor ; electric drive ; permanent magnet synchronous motor ; electrical machines ; thermal modeling ; preformed coils ; insulation systems ; pre-shaped conductor ; system model ; structural dynamics ; multibody simulation ; transient electrical machine model ; permanent magnet synchronous machine ; induction machine ; dynamic gear forces ; planetary gear ; synchronous condenser ; different materials ; magnetic flux leakage in the end ; eddy current loss ; fluid–solid coupling ; finite element analysis (FEA) ; interior PM synchronous motor ; surface PM synchronous motor ; traction applications ; finite element analysis ; flux switching machine ; flux bridge ; magnetic flux leakage ; variable flux machine ; axial flux generator ; spatial harmonic interaction ; harmonic balance method ; turbo-generator ; eddy current losses ; data driven ; support vector regression ; multi-layer perceptron ; vane pump ; electric motor ; integrated motor-pump assembly (IMPA) ; balanced vane pump ; fluid power drives ; brushless DC electric motor ; permanent magnet machine ; measurements ; high-speed motor ; electromagnetic analysis ; mechanical analysis ; thermal analysis ; electromechanical convertor ; drive system component ; electromagnetic calculation ; MR fluids ; MR multi-disc clutch ; clutch design ; electric train ; hybrid excited linear flux switching machine ; rope-less elevator ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: This Special Issue was intended to contribute to the sustainable mobility agenda through enhanced scientific and multi-disciplinary knowledge to investigate concerns and real possibilities in the achievement of a greener mobility and to support the debate between industry and academic researchers, providing an interesting overview on new needs and investigation topics required for future developments.
    Keywords: digging trajectory ; cable shovel ; robotic excavation ; multi-objective genetic algorithm ; electric vehicle ; propulsion cooling system ; modularity ; thermal management ; control optimization ; driving cycle ; energy consumption ; Markov chains ; driving range ; electrification ; green mobility ; compact off-highway vehicles ; battery electric ; urban air mobility ; WTW emissions ; hybrid electric vehicles ; battery aging ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 49
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-20
    Description: There is increasingly intensive research for energy storage technologies development due to the enhanced energy needs of the contemporary societies. Increased global energy consumption results in the reduction in the availability of traditional energy resources, such as coal, oil and natural gas. Therefore, there is an urgent need for new systems development based on the conversion and storage of sustainable and clean energy. Phase change materials (PCMs) are one of the key components for the development of advanced sustainable solutions in renewable energy and engineering systems. In order to update the field of renewable energy and engineering systems with the use of PCMs, a Special Issue entitled “Phase Change Materials: Design and Applications” is introduced. This book gathers and reviews the collection of ten contributions (nine articles and one review), with authors from Europe, Asia and Americam accepted for publication in the aforementioned Special Issue of Applied Sciences.
    Keywords: phase change materials ; thermal energy storage ; energy efficiency ; building applications ; construction materials ; phase-change material ; dispersion ; thermal-mechanical stability ; viscosity ; supercooling ; nucleating agent ; cold storage ; battery cooling ; LPMO ; Fourier Transform ac Voltammetry (FTacV) ; cyclic voltammetry ; Direct Electron Transfer (DET) ; lathrate hydrate ; tetrabutylammonium acrylate (TBAAc) ; crystal growth ; ultrasonic vibration ; polyurethane elastomers ; microencapsulated PCMs ; thermal properties ; mechanical properties ; phase change material ; sugar alcohol ; erythritol ; latent heat storage ; thermal stability ; degradation kinetics ; PCM ; mini-channels ; air ; melting ; solidification ; latent heat thermal energy storage ; phase change materials (PCM) ; macro-encapsulation ; rectangular slab ; experimental study ; sodium nitrate ; thermal conductivity ; microencapsulation ; latent heat ; multicriteria decision ; finite element ; automotive ; energy storage ; n/a ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GP Research & information: general ; bic Book Industry Communication::P Mathematics & science::PH Physics
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  • 50
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: This reprint aims to collect state-of-the-art research contributions that address challenges in the emerging 5G networks design, dimensioning and optimization. Designing, dimensioning and optimization of communication networks resources and services have been an inseparable part of telecom network development. The latter must convey a large volume of traffic, providing service to traffic streams with highly differentiated requirements in terms of bit-rate and service time, required quality of service and quality of experience parameters. Such a communication infrastructure presents many important challenges, such as the study of necessary multi-layer cooperation, new protocols, performance evaluation of different network parts, low layer network design, network management and security issues, and new technologies in general, which will be discussed in this book.
    Keywords: bit error rate (BER) ; space-time coding (STC) ; Singular Value Decomposition (SVD) ; massive MIMO ; orthogonal transform division multiplexing (OTDM) ; Toeplitz matrix ; 5G networks ; BBU centralization ; cloud radio access networks ; eCPRI ; fronthaul ; filter bank multicarrier ; isotropic orthogonal transfer algorithm ; intrinsic interference ; Co-time Co-frequency Full Duplex (CCFD) ; self-interference (SI) signal cancellation ; RF domain ; optimize Least Mean Square (LMS) algorithm ; interference cancellation ratio (ICR) ; 5G core network slice ; network slicing ; resource attributes ; slice provisioning ; topology attributes ; beamforming ; interference management ; throughput ; fairness index, small cell networks ; OFDM ; congestion ; random ; quasi-random ; recursive ; restricted ; reservation ; complete sharing ; D2D communication ; 5G IoT network ; lightweight cryptography ; authentication ; midhaul ; radio-over-fiber ; optical gNB-DU ; RRH ; A-RoF ; D-RoF ; BBU ; all-optical network ; handover ; HetNets ; mobility management ; self-optimization ; spectrum handoff ; spectrum sensing ; cognitive radio networks ; cognitive radio user ; primary and secondary user ; 5G mobile communication network ; multi-access edge computing ; centralized cloud computing ; hybrid cloud computing ; Palm-Jacobaeus loss formula ; blocking probability ; multi-service traffic ; separated resources ; performance evaluation ; cellular systems ; channel emulator ; non-stationary MIMO channel ; discrete channel model ; field-programmable gate array (FPGA) platform ; Cloud Radio Access Network (C-RAN) ; Microwave Radio Transmission (MRT) ; Free Space Optics (FSO) ; Fiber Optics (FO) ; multi-agent systems ; laplacian eigenvalues ; augmented Lagrange based Alternating Direction Inexact Newton (ALADIN) method ; consensus algorithms ; Alternating Direction of Multipliers Method (ADMM) ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-01-05
    Description: This book focuses on fundamental and applied research on construction project management. It presents research papers and practice-oriented papers. The execution of construction projects is specific and particularly difficult because each implementation is a unique, complex, and dynamic process that consists of several or more subprocesses that are related to each other, in which various aspects of the investment process participate. Therefore, there is still a vital need to study, research, and conclude the engineering technology and management applied in construction projects. This book present unanimous research approach is a result of many years of studies, conducted by 35 well experienced authors. The common subject of research concerns the development of methods and tools for modeling multi-criteria processes in construction engineering.
    Keywords: earned value method—EVM ; time variances ; cost variances ; schedule ; cadastre ; land surveyor ; construction surveying ; building layout ; polar coordinates ; stake-out methods ; total station ; construction reports ; construction contracts ; natural language processing ; machine learning ; simulation modeling ; bridge expansion and contraction installation (BECI) ; decision making (DM) ; technical condition assessment ; analytic hierarchy process (AHP) ; whale optimization algorithm ; Tent chaotic mapping ; Lévy flight ; resilience ; baseline schedule ; uncertainty ; taxonomy ; construction project ; PERT ; theory of constraint (TOC) ; drum-buffer-rope (DBR) ; construction schedule ; monitoring progress ; construction phase ; automated monitoring ; digital tools ; as-built ; as-planned ; efficiency ; risk ; randomization ; association analysis ; tabu search ; delay ; time schedules ; project risk ; construction project management ; Time-at-Risk (TaR) ; investment-construction process model ; Monte Carlo simulation ; decision-making process ; decision modelling in construction activities ; decisions in civil engineering ; liquid cooling system ; flow calibration ; differential pressure ; experimental method ; aircraft ; building information modelling (BIM) ; automatisation ; facilities design ; domestic plumbing and sanitation ; management ; project cost ; investment schedule ; risk mitigation ; randomness ; fuzziness ; health and safety control ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-03-07
    Description: This Special Issue explores empirical studies of emotional mechanisms, qualitative and quantitative measurements of emotion, the recognition of emotional contexts, and the application of emotion. We introduce fourteen papers, ranging from lab-based studies aimed at understanding emotional mechanisms to applying emotion recognition in the real world (e.g., in driving, games, education, and virtual avatars). This Special Issue explores empirical studies of emotional mechanisms, qualitative and quantitative measurements of emotion, the recognition of emotional contexts, and the application of emotion. We introduce fourteen papers, ranging from lab-based studies aimed at understanding emotional mechanisms to applying emotion recognition in the real world (e.g., in driving, games, education, and virtual avatars).
    Keywords: speech emotion recognition ; domain adaptation ; SER generalization ; Korean Emotional Speech Database ; ensemble model ; multi-path ; group-loss ; BLSTM network ; facial micromovement ; emotion recognition ; emotion authenticity ; HRV parameter ; game addiction ; League of Legends ; stress response ; sensitivity ; specificity ; logistic regression ; facial action unit ; facial aging ; facial expression ; posed emotion ; virtual avatar ; virtual human ; virtual character ; embodied conversational agent ; social interaction ; empathy ; CNN ; cognitive workload ; functional connectivity analysis ; LSTM ; mental workload ; mutual information ; phase locking value ; phase transfer entropy ; deep learning ; facial expression recognition (FER) ; 3D convolutional neural network (3D CNN) ; multirate signal processing ; minimum overlapped frame structure ; self-attention ; multi-depth network ; video content empathy ; micro-movement synchronization ; non-contact empathy measurement ; empathic advertisement ; multimodal affective computing ; catecholamines ; emotion classification ; wearable devices ; deep neural networks ; multispectral imaging ; face recognition ; in the wild ; driver emotion recognition ; multimodal ; self-report ; real-world driving ; EEG ; learning emotions ; attention ; convolutional neural network ; multi-channel band features ; eye movement ; brain connectivity ; review ; human emotions ; affective and physiological states ; Plutchik’s wheel of emotions ; sensors ; methods and applications ; statistical and multiple criteria analysis ; country success and publications maps of the world ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: Civil engineering structures may vibrate due to different sources of excitations such as earthquakes, wind, traffic, humans, etc. The resulting vibrations may not be acceptable from the perspective of vibration comfort or can even impair the structure's safety. Depending on the excitation mechanism, anti-vibration measures range from increasing the structural damping using local dampers, decoupling the structure from the disturbance using vibration isolators and compensating for the excitation forces using vibration compensators. The Special Issue "Efficient Damping and Isolation Systems for Civil Structures" presents some of the recent advances in the associated fields of research and development.
    Keywords: isolation ; high damping rubber bearing ; low shape factor ; performance test ; experiment ; three-dimensional (3D) seismic isolation ; vertical seismic isolation device ; disc spring ; helical coil spring ; steel damper ; laminated rubber bearing ; seismic energy dissipation ; nuclear power plant equipment ; seismic isolation frequency ; hysteretic behavior ; cable ; control ; damping ; semi-active ; negative stiffness ; vibration ; liquid storage tank ; MetaFoundation ; time domain analysis ; earthquake ; passive control ; stop band ; suspended ceiling systems ; passively controlled structure ; pulley tackle mechanism ; shake table test ; simulation analysis ; tower-like structures ; tuned liquid gas damper ; elastic membrane ; gas spring ; gas volume ; SA-TLGD ; TLCGD ; TLCD ; TMD ; inerter ; optimization ; TMDI ; vibration mitigation ; tuned sloshing damper ; TSD ; tuned mass damper ; numerical simulation ; coupled simulation ; computational wind engineering ; CWE ; hysteresis ; internal resonances ; nonlinear modal interaction ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-10-25
    Description: Patient outcomes remain poor for many cancers despite improvements in treatments and new molecular-targeted biomedicines for certain cancer types or subtypes. Dose-limiting toxicity, a narrow therapeutic index, and the development of resistance to traditional anti-cancer agents are well-established. It is apparent that inherent and acquired drug resistance are major challenges with molecular-targeted agents and that on- as well as off-target side effects can still occur. Other issues include drug metabolism by the body and safely supplying a sufficient amount of active drug to the tumor cells. There is a clear and urgent need for new molecular targets and drugs that specifically target cancer cells in different ways to existing approved drugs. This book, through a collection of eight research articles and two review articles from the Biomedicines themed Special Issue ‘Novel Anti-Cancer Agents and Cellular Targets and Their Mechanism(s) of Action’, provides a snapshot of some of the diverse and exciting research approaches being taken by the cancer research community in trying to address some of these therapeutic challenges.
    Keywords: microtubule acetylation ; triple-negative breast cancer ; anti-cancer agent ; apoptosis ; K562 ; 8-hydroxydaidzein ; autophagy ; BCR-ABL ; MAPK ; NF-κB ; c-myc ; RNA interference ; siRNA ; oncogene ; gene silencing ; expression ; nanosystems ; Cytochrome P450 ; CYP1A1 ; CYP1B1 ; CYP2W1 ; breast cancer ; prodrug ; bioprecursor ; duocarmycin ; phortress ; AQ4N ; 5-FU resistance ; colorectal cancer ; drug repurposing ; Genomics of Drug Sensitivity in Cancer ; Connectivity Map ; anticancer drug ; B-lactam steroid alkylators ; synthetic lethality ; poly (ADP-ribose) polymerase inhibitors ; ovarian cancer ; hybrid steroidal alkylating agents ; migration ; invasion ; glioblastoma ; CCN1 ; mesenchymal–amoeboid transition ; biomarker ; HepG2 ; Huh7 ; isatin sulfonamides ; angiogenesis ; cancer hallmarks ; molecular docking ; EGFR tyrosine kinase inhibitor ; photon upconversion ; triplet-triplet annihilation ; in vivo imaging ; PLGA ; nanoparticles ; affibody molecule ; human epidermal growth factor receptor 3 (HER3) ; BxPC-3 ; emtansine ; DM1 ; albumin binding domain ; affibody drug conjugate (AffiDC) ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-03-07
    Description: Processing and Conversion of Oil and Gas: Modeling, Control, Simulation, and Optimization describes the core of the activity of petrochemical engineers, process controller engineers, industrial engineers, energy engineers, and researchers in the oil and gas field. This reprint explores the modeling, control, simulation, and optimization of new and revamped petrochemical processes using proven software. Thus, it offers novel illustrative examples, prospective applications, and solutions to improve these processes. This reprint aims to combine theoretical principles with examples modeled by commonly used simulation software employing steady-state or dynamic process simulation. Furthermore, applying numerical methods and optimization at both the theoretical and practical levels is within the scope of this reprint.
    Keywords: jet stability ; swirl ; twist ; dominant mode ; Brassica Napus ; fatty acid methyl esters ; 2-Ethyl-2-hydroxymethyl-1,3-propanediol ; viscosity ; batch reactor ; kinetics ; self-excited oscillation pulse jet ; nozzle ; large eddy simulation ; peak velocity ; cavitation number ; coal tar ; wash oil ; nitrogen-containing compounds ; indole ; formamide equilibrium extraction ; price bubbles ; bubble length ; petroleum products ; GSADF ; Pakistan ; pipeline safety ; risk classification ; pipeline failure ; fuzzy analytic hierarchy process ; pipeline risk assessment ; shale gas pipelines ; pressure gradient ; gas–liquid two-phase flow ; flow patterns ; Generalized Additive Model ; dimensionless numbers ; discrete element method ; optimal design ; simulation analysis ; anti-corrosion pill particles ; butyl acetate ; acetic acid ; n-butanol ; esterification ; membrane reactor ; reactive distillation ; amberlyst-15 catalyst ; energy efficiency ; economic evaluation ; methyl isobutyl ketone (MIBK) ; acetone self-condensation ; selective hydrogenation ; process development ; heat integration ; economic analysis ; nano-Pd/nano-ZnCr2O4 catalyst ; dimethyl carbonate ; dimethyl oxalate ; oxidative carbonylation ; azeotropic distillation ; profitability analysis ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: Laser welding is a high-energy process used in a wide range of advanced materials to obtain micro- to macro-sized joints in both similar and dissimilar combinations. Moreover, this technique is widely used in several industries, such as automotive, aerospace, and medical industries, as well as in electrical devices. Although laser welding has been used for several decades, significant and exciting innovations often arise from both the process and/or advanced materials side.
    Keywords: TA1-2040 ; T1-995 ; n/a ; tensile strength ; microstructure ; aided electric current ; stainless steel ; accuracy ; porosity control ; laser offset welding ; T-joint ; BTi-6431S ; dissimilar metal ; finite element method ; weld pool behavior ; dissimilar welding ; WPP ; laser welds ; HLAW ; fiber laser ; steel S700MC ; conduction regime ; liquid metal ; buy-to-fly ; EBSD phase mapping ; mass transfer ; mechanical properties ; hardness ; MAG ; phase transformation ; prediction ; LKW ; Ti-5Al-5V-5Mo-3Cr ; laser beam ; laser welding-brazing ; DP1000 steel ; Ti–6Al–4V ; titanium ; low alloyed steel ; H-shaped fusion zone ; pulsed Nd:YAG laser beam welding ; spatter ; high-speed imaging ; weld morphology ; high temperature titanium alloy ; Al/steel joints ; hybrid welding ; dissimilar material ; laser beam welding ; intermetallic layer ; WW ; L-joint ; penetration ; laser stake welding ; laser keyhole welding ; trip steel ; finite element analysis ; laser welding ; magnesium alloy thin sheet ; keyhole ; tensile properties ; dissimilar joining ; IMC layers ; SKM ; fiber laser welding ; aluminium ; dual phase steel ; aluminum alloy T-joint ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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  • 57
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: Wood composites have shown very good performance, and substantial service lives when correctly specified for the exposure risks present. Selection of an appropriate product for the job should be accompanied by decisions about the appropriate protection, whether this is by design, by preservative treatment or by wood modification techniques. This Special Issue, Advances in Wood Composites presents recent progress in enhancing and refining the performance and properties of wood composites by chemical and thermal modification and the application of smart nanomaterials, which have made them a particular area of interest for researchers. In addition, it reviews some important aspects in the field of wood composites, with particular focus on their materials, applications, and engineering and scientific advances, including solutions inspired biomimetrically by the structure of wood and wood composites. This Special Issue, with a collection of 13 original contributions, provides selected examples of recent Advances in Wood Composites
    Keywords: TA1-2040 ; T1-995 ; shear strength ; n/a ; buckling ; thermal property ; acetic anhydride ; WPC ; silicon carbide ; coating amount ; composite ; polymer-triticale boards ; wood ; activation volume ; oriented strand lumber (OSL) ; bending strength ; nanowollastonite ; VOCs ; wood-inorganic composites ; thermal modification ; wood plastic composite ; crystallinity ; sol-gel process ; wood adhesive ; straw ; mechanical properties ; bamboo ; plastic ; carbothermal reduction ; formaldehyde emissions ; cellulose ; graphene nano-platelets ; creep behavior ; surface properties ; dimensional stability ; nanocompounds ; UF resin ; tunnel-structured ; ceramic ; color ; water absorption ; high-density polyethylene film ; mechanical property ; aquacultural ; HDPE ; biorefinery lignin ; methyl methacrylate ; structural analysis ; sol–gel process ; polyurethane-acrylate ; mechanical and physical properties ; water-based UV curing coating ; oak (Quercus alba L.) ; dynamic thermodynamic ; stepped isostress method ; thermoplastic polymers ; sustainable adhesives ; finite element analysis ; rapid formaldehyde release ; adhesive penetration ; modulus of elasticity in bending ; Southwell’s method ; hydrophobicity ; Abaqus ; sepiolite ; chemical structure ; alder plywood ; wood panels ; particleboard properties ; chemical modification ; thickness swelling ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: In the last decade, design and material innovations for manufacturing composites have reached new heights. Thermoplastic polymers and their composites have become the most in-demand materials in recent times as they provide numerous advantages over thermoset composites. Thermoplastic polymers have a high damage tolerance, high impact resistance, recyclability, formability, weldability, repairability, and cost-effectiveness compared with thermoset composites. Thermoplastic polymers and composites are widely used in automotive, aerospace, electrical and electronics, industrial, and medical applications. Thermoplastic composites are estimated to grow from USD 28.0 billion in 2019 to USD 36.0 billion by 2024. High-performance thermoplastic materials are used in conjunction with a multitude of manufacturing processes like injection moulding, thermoforming, prepreg, liquid injection processes, automated tape placement, filament winding, pultrusion, additive manufacturing, and other processes. The material limits, design, and assembly requirements, as well as the processing constraints, are significantly important for the realisation of novel product development using a manufacturing process by simultaneously optimising reliability, safety, and other performance-related issues. The current thermoplastic material systems and manufacturing techniques still have plenty of room for optimisation and advancement. This reprint presents the latest scientific and technical advances in thermoplastic materials and their composites, processing, characterisation, product development, and manufacturing process parameter optimisations.
    Keywords: thermoplastic composites ; automated tape placement ; fibre misalignment ; voids ; CT scan ; circular distribution ; textured surface ; scratch ; scratch resistance ; thermoplastic polymer ; finite element modelling ; antimicrobial ; metallic ions ; ligand ; copper nanoparticles ; polypropylene ; thermoplastic resin ; process modeling ; filament winding ; automated fiber placement ; EWF ; polymer-layered silicates ; oMMT ; clay minerals ; mechanical properties ; nanocomposite ; physio-thermo-mechanical properties ; polyurethane ; polymers ; bio-applications ; energetic binder ; block copolyurethane ; sensitivity ; mechanical property ; thermal behavior ; bone scaffold ; recycled bone powder ; chitosan ; PLA ; PCL ; antibacterial activity ; aircraft cabin interior panels ; optimal curing of prepregs ; foams ; non-structural composite panels ; thermoplastic starch ; nanocomposites ; biopolymers ; properties ; packaging ; nanofiller ; vacuum forming ; thermoplastic face sheets ; polyphenylene sulfone ; cardo fragments ; IR spectroscopy ; heat resistance ; thermostability ; FDM ; oil palm fiber ; ABS ; rheology ; 4D printing ; material programming ; digital fabrication ; shape-memory polymers ; PPS ; carbon nanotubes ; thermal analysis ; electrical properties ; rheological properties ; resin transfer molding ; non-crimp fabrics ; consolidation ; ultra-high molecular weight component ; rheological property ; crystallization behavior ; polyimide foam ; rigid closed-cell foam ; high temperature ; benzimidazole ; polyamide 12 ; carbon nanofiller ; carbon nanotube ; graphene nanoplatelet ; 3D printing ; thermal conductivity ; compound ; fluorinated aromatic polyimide ; low dielectric loss ; molecular chain orientation ; molecular dynamics simulation ; long-fiber-reinforced thermoplastic ; fiber length ; fiber orientation ; injection molding ; hollow composite tubes ; bending ; failure mechanisms ; in situ consolidation ; void content ; processing parameters ; thermosetting resins ; thermoplastics ; co-bonding ; interphase ; diffusion ; adhesion ; phosphorescent composites ; compatibilizer ; thermal and mechanical ; composite ; thermoplastic ; thermoforming ; simulation ; Taguchi ; DOE ; oil palm fiber composites ; 3D composites ; thermoset ; off-axis flexure behaviour ; on-axis flexure behaviour ; hybrid fibers ; hybrid composites ; vacuum assisted resin infusion (VARI) ; fracture toughness ; fractography ; reinforcements ; thermal properties ; biobased polymer composites ; polymer modification ; PBAT ; starch ; microcrystalline cellulose ; biodegradable ; polyethylene glycol ; poly(butylene adipate-co-terephthalate) ; supercritical CO2 ; foam ; thermoplastic matrix composites ; impregnation processes ; manufacturing ; fiber reinforced ; processing ; retrogradation ; extrusion ; co-plasticization ; isosorbide ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGM Materials science
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  • 59
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: This book was proposed and organized as a means to present recent developments in the field of testing of materials and elements in civil engineering. For this reason, the articles highlighted in this editorial relate to different aspects of testing of different materials and elements in civil engineering, from building materials to building structures. The current trend in the development of testing of materials and elements in civil engineering is mainly concerned with the detection of flaws and defects in concrete elements and structures, and acoustic methods predominate in this field. As in medicine, the trend is towards designing test equipment that allows one to obtain a picture of the inside of the tested element and materials. Interesting results with significance for building practices were obtained.
    Keywords: rock bolt ; grouting quality ; dynamic response ; natural frequency ; finite element method ; monitoring ; historical masonry wall ; hygrothermal processes ; internal insulation ; testing of building materials ; test uncertainty ; validation of test methods ; sustainable test methods ; recycling ; foamed asphalt mixtures with cement (FAC) ; base layer ; reclaimed asphalt pavement (RAP) ; fatigue durability ; GFRP ; FRP reinforcement ; shear ; capacity ; reinforced concrete beams ; column ; stiffness ; FRCM ; PBO mesh ; PBO–FRCM ; carpentry joints ; scarf and splice joints ; stop-splayed scarf joints (‘bolt of lightning’) ; static behaviour ; experimental research ; concrete ; non-destructive testing ; ultrasounds ; ultrasonic tomography ; acoustic methods ; defects ; diagnostic ; detection ; convolutional neural networks ; transfer learning ; monitoring FBG ; power transmission tower ; civil engineering ; X-ray microtomography ; microstructure characteristics ; infiltration damage ; high-strength concrete ; steel fibres ; flexural tensile strength ; fracture energy ; numerical analysis ; concrete floors ; compressive strength ; strength distribution ; industrial floors ; ultrasound tests ; ventilated facades ; large-scale facade model ; fire safety ; fiber cement board ; large-slab ceramic tile ; plasterboards ; moisture content ; hydration processes ; mechanical properties ; ultrasound measurements ; ESD resin ; expansion joint ; quasi-plastic material ; energy absorption ; asphalt mix ; compaction index ; volumetric parameters ; stiffness modulus ; moisture resistance ; roughness ; texture ; close-range photogrammetry ; bond strength ; random field generation ; semivariograms ; hybrid truss bridge ; steel–concrete connection joint ; mechanical behavior ; failure mode ; strain ; static test ; static elastic modulus ; dynamic elastic modulus ; machine learning ; P-wave ; S-wave ; resonance frequency test ; nondestructive method ; Al–Ti laminate ; fracture ; acoustic emission diagnostic ; pattern recognition ; clustering AE signal ; storage systems ; tab connector ; flexural test ; capable design moment ; restrained ring test ; autogenous shrinkage cracking ; concrete cracking test ; concrete shrinkage cracking test ; restrined ring calibration ; cement–fiber boards ; acoustic emission method ; k-means algorithm ; wavelet analysis ; fiber composites ; ground penetrating radar (GPR) ; HMA dielectric constant ; road pavement thickness estimation ; early age concrete ; damage processes detection before loading ; strength of structures ; aggregate ; classification ; wire mesh ; roundness ; tilting angle ; opening size ; concrete centrifugation ; morphology ; image processing ; porosity ; cement ; waste paper sludge ash (WPSA) ; controlled low-strength material (CLSM) ; unconfined compressive strength ; bearing capacity ; backfill material ; P-wave velocity ; amplitude attenuation ; resistivity ; CT scan ; sandstone ; damage variable ; nuclear magnetic resonance ; spin-lattice relaxometry ; proton ; hydration kinetics ; superplasticizer ; ready-mixed concrete ; construction material ; quality assessment ; conformity criteria ; statistical-fuzzy method ; FRTP ; rivet ; connection ; polyethylene pipe ; mechanical properties of polyethylene ; resistance strain ; computer simulation ; residual shear stress ; particle crushing ; ring shear test ; particle flow code (PFC2D) ; frictional work ; fibre-reinforced concrete ; recycled steel fibres ; micro-computed tomography ; scanning electron microscopy ; tensile strength ; reinforced concrete ; diagnostic testing ; corrosion ; carbonation ; galvanostatic pulse method ; phase composition analysis ; X-ray analysis ; thermal analysis ; quasi-brittle cement composites ; low-module polypropylene fibres ; elastic range ; digital image correlation ; Arcan shear test ; wood ; orthotropic shear modulus ; elastic-plastic material ; shear wave velocity ; sand ; bender elements test ; grain-size characteristics ; complex modulus ; shrinkage analysis ; reclaimed asphalt ; mineral–cement emulsion mixtures ; cement dusty by-products (UCPPs) ; degradation of glass panels ; effective area ratio ; relative mass loss ; visible light transmittance ; windblown sand ; wood-plastic composites ; methods of testing resistance to fungi ; methods of assessment ; ground-penetrating radar (GPR) ; non-destructive techniques (NDT) ; corrosion of reinforcement ; slip resistance ; granite floor ; slip resistance value ; ramp test ; acceptance angle ; sliding friction coefficient ; comparability of test methods ; wall temperature ; fibre bragg grating sensors ; freeze-thaw cycles ; signal analysis ; short-time Fourier transform ; fast Fourier transform ; brine ; sodium chloride ; X-ray ; partition walls ; brick walls ; bending strength ; cracking ; post-tension ; cable ; girder ; destructive test ; non-destructive test ; structural health monitoring ; safety ; monitoring fibre Bragg grating ; mining areas ; strain/stress distribution ; geopolymer concrete ; fly-ash ; bottom-ash ; neural network ; sustainability ; industrial waste management ; flexural strength ; cladding ; AE acoustic emission ; micro-events ; sound spectrum ; traditional and quasi-brittle cement composites ; residual-state creep ; saturation front ; landslides ; erosional stability ; laboratory testing ; grout mixtures ; groundwater ; test apparatus ; testing ; building materials ; elements ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-07-14
    Description: The reprint focused on innovative developments in the fields of advanced propulsion system and thermal management technology. Propulsion systems develop along the direction of wide speed range and long endurance both for civil aircrafts and military applications. The research works of propulsion systems mainly include overall design, combustion, aerodynamic, internal flows and heat transfer etc. High efficiency is pursed not only by optimized designs but also from development of materials as well as application of new fuel. Along with development of high efficiency propulsion system, thermal management technology is also developed to meet the demand of external aerodynamic heating and internal combustion heat at a high flight speed. Common thermal management technology includes blade cooling in gas turbines and regenerative cooling in rocket engines. Thermal protection of engines achieves high efficiency by heat transfer enhancement, such as use of superficial fluid, nanofluids and new designed roughened surfaces. Also, some heat transfer enhancement methods in heat exchangers, battery and fuel cells are also introduced into propulsion systems.
    Keywords: auto-ignition ; supersonic flow ; initial flame kernel ; oblique shock ; recirculating region ; improved body force model ; off-design ; Reynolds-averaged Navier–Stokes equations ; meridional entropy gradient ; rotor 37 ; rolling motion ; subcooled flow boiling ; transverse flow ; subchannel ; VOF ; printed circuit heat exchanger ; NACA airfoil fins ; micro gas turbine recuperator ; thermo-hydraulic ; parametric study ; ventilation ; solar greenhouse ; numerical simulation ; system design ; n/a ; thrust vector control ; supersonic jet ; nozzle ; flow entrainment ; Coanda effect ; schlieren method ; scramjet ; regenerative cooling ; coupled heat transfer ; pyrolysis ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 61
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-12-06
    Description: Pumped storage technology is a large-scale, efficient, flexible and clean energy storage technology. The core of it is the design of pumped storage units, which involves the operation and flow characteristics of vane hydraulic machinery under pump and turbine modes, as well as the complex flow conditions of the upstream and downstream flow channels of the units. With this as the background, this book expounds on the relevant problems and their solutions, providing a scientific basis for the development of pumped storage technology. I hope this book can provide as a useful reference for readers.
    Keywords: tip clearance ; vertical axial flow pump ; whole channel numerical simulation ; pressure pulsation ; leakage vortex ; bulb tubular pump ; numerical simulation ; adjusting speed ; transition process ; pressure fluctuation ; pump turbine ; flow energy loss ; flow–head stability ; guide vane opening ; V-inclined pipe ; sand transport ; critical velocity ; flow pattern ; orthogonal test method ; lateral intake ; CFD numerical simulation ; diversion pier ; prefabricated pumping station ; centrifugal pump ; energy characteristics ; internal flow field ; test ; integrated pump gate ; inlet channel ; outlet channel ; hydraulic performance ; “S” shaped airfoil ; bidirectional axial flow pump ; axial flow pumps ; energy ; cavitation ; numerical calculation ; Francis turbine ; sediment erosion ; clearance ; CFD ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 62
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: Nano/micro-size particles are widely applied in various fields. Among the various particles, silver particles are considered among the most prominent nanomaterials in the biomedical and industrial sectors because of their favorable physical, chemical, and biological characteristics. Thus, numerous studies have been conducted to evaluate their properties and utilize them in various applications, such as diagnostics, anti-bacterial and anti-cancer therapeutics, and optoelectronics. The properties of silver particles are strongly influenced by their size, morphological shape, and surface characteristics, which can be modified by diverse synthetic methods, reducing agents, and stabilizers. This Special Issue provides a range of original contributions detailing the synthesis, modification, properties, and applications of silver materials. Nine outstanding papers describing examples of the most recent advances in silver nano/microparticles are included. Silver nano/micro-size particles have many potential advantages as next-generation materials in various areas, including nanomedicine. This Special Issue might be helpful to understand the value of silver particles in the biomedical and industrial fields
    Keywords: TA1-2040 ; T1-995 ; n/a ; membrane ; bacteria ; cyclodextrin ; silver nanomaterial ; drug delivery ; transparent conductive film ; cytocompatibility ; surface free energy ; administration route ; sericin ; biosensor ; uptake ; substrate modification ; silver ion ; AgNPs ; mechanical properties ; cell culture ; titanium alloy ; Au–Ag alloy ; silver shell ; moderate sintering ; wound dressing ; polymer nanocomposite ; DNA damage ; surface morphology ; reactive oxygen species (ROS) ; flexible and printed electronics ; plants ; reactive oxygen species ; mechanism ; optoelectronics ; cytotoxicity ; photonic sintering ; synthesis ; silver nanoparticle ; doxorubicin (DOX) ; food packaging ; SERS detection ; nanomedicine ; antimicrobial activity ; nanogaps ; TNFR1 ; silica template ; silver ions release ; diagnostics ; phytotoxicity ; polydopamine ; silver nanoparticles ; tumor necrosis factor ; protective agent ; characterization ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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  • 63
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: In response to the demanding requirements of different sectors, such as construction, transportation, energy, manufacturing, and mining, new generations of microalloyed steels are being developed and brought to market. The addition of microalloying elements, such as niobium, vanadium, titanium, boron, and/or molybdenum, has become a key tool in the steel industry to reach economically-viable grades with increasingly higher mechanical strength, toughness, good formability, and weldable products. The challenges that microalloying steel production faces can be solved with a deeper understanding of the effects that these microalloying additions and combinations of them have during the different steps of the steelmaking process.
    Keywords: niobium microalloyed steel ; as-cast condition ; inclusion ; rare earth elements ; precipitation. ; steel ; thermomechanical processing ; microstructure characterisation ; mechanical properties ; molybdenum ; martensitic steel ; direct quenching ; microalloying ; hardenability ; toughness ; grain refinement ; Hall–Petch coefficient ; microalloy precipitates ; hydrogen embrittlement ; Ti-Mo steel ; hot deformation ; constitutive model ; microstructural evolution ; microalloyed steels ; processing ; microstructural and chemical composition ; micro-alloyed steels ; precipitations ; Zener pinning ; atomic force microscopy (AFM) ; precipitation-microstructure correlation ; EBSD ; reconstruction methods ; continuous casting ; energy absorption ; mechanical metallurgy ; niobium ; reheat process ; thermo-mechanical controlled processing ; plate rolling ; strengthening ; precipitation ; induction ; titanium ; advanced high strength steels ; HSLA steels ; precipitation strengthening ; tempering ; bainitic ferrite ; austenite-to-ferrite transformation ; hot-torsion test ; coiling simulation ; medium-carbon steel ; strength and toughness ; austenite ; abnormal grain growth ; cold-deformation ; precipitate ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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  • 64
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: This book presents recent advances in the field of bone tissue engineering, including molecular insights, innovative biomaterials with regenerative properties (e.g., osteoinduction and osteoconduction), and physical stimuli to enhance bone regeneration.
    Keywords: bone ; collagen type I ; alginate ; conditioned medium ; viability ; MSC ; osteogenesis ; pulsed electromagnetic field ; osteogenic factors ; wool keratin scaffolds ; bone tissue engineering ; biocompatibility ; biomaterials ; bone augmentation ; bone conduction ; bone grafting ; calcium hydroxyapatite ; tissue regeneration ; dental implants ; osseointegration ; osteoporosis ; zoledronate ; animal model ; titanium membrane ; titanium foil ; occlusive titanium barrier ; guided bone regeneration ; osteoporotic condition ; xenograft ; bone regeneration ; titanium implants ; additive manufacturing ; reused powder ; unit cell topology ; tissue engineering ; mechanical properties ; stem cells ; surface functionalization ; titanium ; protein adsorption ; surface modifications ; cell interactions ; collagen hydrogel ; cell delivery ; olfactory ectomesenchyme stem cells ; bioactive glasses ; alkali-free ; sol–gel ; bone remodeling ; bone disorders ; biomechanics ; scaffolds ; microenvironment ; 3D bioprinting ; computational modeling ; bone implant ; bone defects ; chitosan ; degree of deacetylation ; bone formation ; X-ray micro CT ; histology ; sheep tibia ; bic Book Industry Communication::M Medicine
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  • 65
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-02-01
    Description: Due to their lightweight and high specific strength, Mg-based alloys are considered as substitutes to their heavier counterparts in applications in which corrosion is non-relevant and weight saving is of importance. Furthermore, due to the biocompatibility of Mg, some alloys with controlled corrosion rates are used as degradable implant materials in the medical sector. The typical processing route of Mg parts incorporates a casting step and, subsequently, a thermo–mechanical treatment. In order to achieve the desired macroscopic properties and thus fulfill the service requirements, thorough knowledge of the relationship between the microstructure, the processing steps, and the resulting property profile is necessary. This Special Issue covers in situ and ex situ experimental and computational investigations of the behavior under thermo–mechanical load of Mg-based alloys utilizing modern characterization and simulation techniques. The papers cover investigations on the effect of rare earth additions on the mechanical properties of different Mg alloys, including the effect of long-period stacking-ordered (LPSO) structures, and the experimental and computational investigation of the effect of different processing routes.
    Keywords: magnesium alloys ; long period stacking ordered structures (LPSO) ; synchrotron radiation diffraction ; magnesium alloy ; low-speed extrusion ; microstructure evolution ; mechanical properties ; thermomechanical processing ; calcium addition ; disintegrated melt deposition ; processing map ; formability ; initial texture ; deformation mechanism ; texture evolution ; ductile damage ; GTN model ; magnesium ; in-situ ; deformation mechanisms ; deformation behaviour ; restoration mechanisms ; electron microscopy ; characterisation ; in-situ diffraction ; Mg-LPSO alloys ; neutron diffraction ; EBSD ; dislocation slip ; twinning ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 66
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: The need for electromechanical energy conversion that takes place in electric motors, generators, and actuators is an important aspect associated with current development. The efficiency and effectiveness of the conversion process depends on both the design of the devices and the materials used in those devices. In this context, this book addresses important aspects of electrical machines, namely their materials, design, and optimization. It is essential for the design process of electrical machines to be carried out through extensive numerical field computations. Thus, the reprint also focuses on the accuracy of these computations, as well as the quality of the material models that are adopted. Another aspect of interest is the modeling of properties such as hysteresis, alternating and rotating losses and demagnetization. In addition, the characterization of materials and their dependence on mechanical quantities such as stresses and temperature are also considered. The reprint also addresses another aspect that needs to be considered for the development of the optimal global system in some applications, which is the case of drives that are associated with electrical machines.
    Keywords: switched reluctance motor drive ; model predictive control ; continuous control set ; pulse-width modulation ; magnetization surface ; electrical drive ; magnetic permeability ; effective parameters ; induction motor ; finite element method ; linear electric actuators ; linear switched reluctance actuators ; permanent magnets ; linear hybrid reluctance actuators ; machine design ; finite element analysis ; detent force reduction ; flux switching ; performance comparison ; torque density ; permanent magnet (PM) ; eddy current loss ; heat generation ; magnetic circuit ; magnetic composite material ; spatial harmonics ; concentrated winding motor ; additive manufacturing ; convolution ; infinite impulse response (IIR) filters ; additive white noise ; DC drift ; magnetic flux density ; magnetic hysteresis ; kernel ; magnetic materials ; soft magnetic materials ; selective laser melting ; iron losses ; magnetic properties ; transformer ; induction motors ; surrogate optimization ; Box–Behnken design ; Latin-hypercube sampling ; clustering ; particle swarm optimization ; pattern search ; SRM ; PV panels ; water pumping system ; multilevel converter ; fault-tolerant ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 67
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: The direction of fiber orientation plays a crucial role in deciding the mechanical performance of textile structural composites. Unlike conventional composite materials, geometrically oriented textile structures, e.g., woven, knitted, and braided constructions, can be designed and developed for load bearing in a particular direction. Their properties can be enhanced by modifying the geometry and material composition. One major challenge in producing textile structural composites with superior mechanical properties at a reasonably lower price is cost effective prepreg. Composites constructed from reinforcement having a well-defined geometry perform better than randomly oriented fibers at a reasonable cost. Their flex fatigue is superior to conventional preforms in specific applications. This Special Issue invites research as well as review articles dealing with different types of (2D, 3D, multiaxial) woven, knitted, and braided structures for load bearing structural composite applications. Use of industrial multifilament yarns of pure and hybrid composition in textile geometrical reinforcement structures can also be included. The methods of impregnation of such structures by thermoplastic and thermoset resins should be described. The superior performance in such structural composites must be highlighted. Methods of characterizing woven, knitted, and braided textile reinforced composites is the focus of this issue. Current and future applications of advanced textile structural composites can be summarized in the submitted articles. Theoretical (computational, numerical simulation etc.) as well as experimental work can be submitted with sufficient scientific innovation.
    Keywords: hybrid composite ; polyester waste fiber ; olive root fiber ; coir pith filler ; building materials ; mixture design analysis ; recycled cotton ; glass ; hollow knitted composite ; compression ; flexural modulus ; impact energy ; quasi-static test ; cyclic fatigue ; wavy-lap bond ; natural cotton fabric ; polymer composite ; mechanical properties ; service life ; safety ; SEM ; pressure-actuated cellular structure ; shape morphing ; compliant mechanism ; anisotropic flexure hinges ; textile-reinforced polymer composite ; integrally woven structure ; resin ; glass cloth ; substrate ; glass transition temperature ; surface finish ; pad cratering ; thermal resistance ; textile structural composite ; 3D weaving ; hollow structure ; spacer fabric ; woven honeycomb ; sandwich ; waste cotton ; impact ; flexural rigidity ; hybrid woven reinforcement ; preforming ; carbon-Kevlar ; epoxy resin ; add-on (%) ; amount of hardener (%) ; curing temperature ; curing time ; molding pressure ; fiber composites ; FRP ; architecture ; architectured materials ; hysteresis ; auxetic ; non-Newtonian fluids ; low-velocity impact ; personal protection ; n/a ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GP Research & information: general ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSB Biochemistry
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-08-12
    Description: This is a book on the practical approaches of reliability to electrotechnical devices and systems. It includes the electromagnetic effect, radiation effect, environmental effect, and the impact of the manufacturing process on electronic materials, devices, and boards.
    Keywords: 3D-IC (three-dimensional integrated circuit) ; electromagnetic interference ; near field measurement ; SAC305 ; BGA ; low temperature ; fracture failure ; factorial design of experiment ; genetic algorithm optimization ; return loss ; multiple-input multiple-output (MIMO) ; single event effects ; linear energy transfer ; Monte Carlo simulation ; radiation hardness ; pressureless sintered micron silver joints ; deep space environment ; extreme thermal shocks ; reconstruction ; simulation ; elastic mechanical properties ; state of health ; remaining useful life ; electrochemistry based electrical model ; semi-empirical capacity fading model ; useful life distribution ; quality and reliability assurance ; single event effect ; microdosimetry ; lineal energy ; deconvolution ; gamma process ; lifetime ; measurement system analysis ; reliability estimation ; GaN ; operational amplifier ; proton therapy ; prompt gamma imaging ; 3D X-ray ; bias temperature-humidity reliability test ; conductive anodic filament (CAF) ; de-penalization ; finite element analysis ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 69
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: There has been significant growth in branches of industry directly related to new materials, such as metals, polymers, and composite materials. Considering the increase in material costs, it has become exceedingly important to produce lightweight constructions through the use of certified materials with appropriate mechanical properties. Many composite materials, especially in building engineering, are characterized by the use of waste materials, allowing them to meet environmental demands and often also positively affecting the performance (as well as mechanical) properties of the whole construction. A similar phenomenon has been noticed in polymers and metals, with the “ecologically friendly” factor having increasing influence in such materials. The main aim of our Special Issue was to gather novel research results concerning different materials available for all important industries—building engineering, the heavy industry, automotive, aerospace, and medicine. Such a general title has been proposed to also include different manufacturing technologies using various materials—conventional (milling, casting, forming, and turning) and novel (hybrid and additive manufacturing).
    Keywords: additive manufacturing ; powder bed fusion ; 316L stainless steel ; ultrasonic atomization ; gas atomization ; three-point bending ; polyamide-based composites ; fused filament fabrication ; concrete additives ; concrete fibers ; concrete strength tests ; threshold effect ; flake graphene ; graphene oxide ; reduced graphene oxide ; lubricants ; grease ; fatigue life prediction ; CuZn37 brass ; machine learning ; IPCs ; ceramic preform ; ceramic–elastomer composite ; silane coupling agent ; hot isostatic pressing (HIP) ; wettability ; mechanical properties ; mechanical engineering ; laser powder bed fusion ; 21 NiCrMo2 steel ; process parameters ; post-heat treatment ; torsional strength ; cellular structures ; 20MnCr5 Steel ; cement–glass composite bricks ; digital image correlation analysis ; material extrusion ; PET-G ; waste disposal ; hybrid additive manufacturing ; lattice structures ; hot isostatic pressing ; fatigue behaviour ; polymer–straw boards ; thermoplastic polymers ; annual plants ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGM Materials science
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-09
    Description: Ultrasonic waves are nowadays used for multiple purposes including both low-intensity/high frequency and high-intensity/low-frequency ultrasound. Low-intensity ultrasound transmits energy through the medium in order to obtain information about the medium or to convey information through the medium. It is successfully used in non-destructive inspection, ultrasonic dynamic analysis, ultrasonic rheology, ultrasonic spectroscopy of materials, process monitoring, applications in civil engineering, aerospace and geological materials and structures, and in the characterization of biological media. Nowadays, it is an essential tool for assessing metals, plastics, aerospace composites, wood, concrete, and cement. High-intensity ultrasound deliberately affects the propagation medium through the high local temperatures and pressures generated. It is used in industrial processes such as welding, cleaning, emulsification, atomization, etc.; chemical reactions and reactor induced by ultrasonic waves; synthesis of organic and inorganic materials; microstructural effects; heat generation; accelerated material characterization by ultrasonic fatigue testing; food processing; and environmental protection. This book collects eleven papers, one review, and ten research papers with the aim to present recent advances in ultrasonic wave propagation applied for the characterization or the processing of materials. Both fundamental science and applications of ultrasound in the field of material characterization and material processing have been gathered.
    Keywords: ultrasonic lens ; axicon lens ; focused ultrasound ; transcranial ultrasound ; non-destructive inspection ; damage identification ; topology optimization ; ultrasonic wave propagation ; ultrasonic visualization ; L-shaped ultrasonic wave guide rod ; ultrasonic bending vibration ; 2A14 aluminum alloy ; solidification structure ; composition segregation ; 1060 aluminum alloy ; twin-roll casting ; microstructure ; mechanical properties ; concrete ; mesostructure ; Lamb wave ; heterogeneity ; Monte Carlo method ; SHM ; ultrasound ; time of flight ; reinforcement ; resin transfer molding (RTM) ; permeability ; liquid composite molding ; material characterization ; composite manufacturing ; liquid penetration ; ultrasound transmission ; capillary penetration ; porous sheets ; bulk metallic glass ; ultrasonic assisted turning ; finite element analysis ; cutting force ; guided waves ; setting time ; mortar and concrete ; early age ; thermoplastic composites ; ultrasonic joints ; resistance heating ; elastography ; viscoelastic properties ; creep ; stress relaxation ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: This reprint focuses on the application of the combination of synthetic aperture radars and depth learning technology. It aims to further promote the development of SAR image intelligent interpretation technology. A synthetic aperture radar (SAR) is an important active microwave imaging sensor, whose all-day and all-weather working capacity give it an important place in the remote sensing community. Since the United States launched the first SAR satellite, SAR has received much attention in the remote sensing community, e.g., in geological exploration, topographic mapping, disaster forecast, and traffic monitoring. It is valuable and meaningful, therefore, to study SAR-based remote sensing applications. In recent years, deep learning represented by convolution neural networks has promoted significant progress in the computer vision community, e.g., in face recognition, the driverless field and Internet of things (IoT). Deep learning can enable computational models with multiple processing layers to learn data representations with multiple-level abstractions. This can greatly improve the performance of various applications. This reprint provides a platform for researchers to handle the above significant challenges and present their innovative and cutting-edge research results when applying deep learning to SAR in various manuscript types, e.g., articles, letters, reviews and technical reports.
    Keywords: heterogeneous transformation ; SAR image ; optical image ; conditional generative adversarial nets (CGANs) ; self-supervised ; synthetic aperture radar (SAR) ; despeckling ; enhanced U-Net ; video synthetic aperture radar (Video-SAR) ; moving target tracking ; guided anchor Siamese network (GASN) ; interferometric synthetic aperture radar ; deep convolutional neural network ; phase unwrapping ; unsupervised change detection ; polarimetric synthetic aperture radar (PolSAR) ; UAVSAR ; multi-scale shallow block ; multi-scale residual block ; synthetic aperture radar ; image registration ; transformer ; deep learning ; SAR target detection ; multiscale learning ; ship detection ; SAR ship detection ; position-enhanced attention ; lightweight backbone ; image augmentation ; building extraction ; SAR ; semantic segmentation ; SAR dataset ; single-stage detector ; two-stage detector ; anchor free ; train from scratch ; oriented bounding box ; multi-scale detection ; computer vision ; low-grade road extraction ; remote sensing ; image segmentation ; optical images ; scene classification ; on-board ; lightweight self-supervised algorithm ; synthetic aperture radar (SAR) image ; arbitrary-oriented ship detection ; differentiable rotational IoU algorithm ; triangle distance IoU loss ; attention-weighted feature pyramid network ; multiple skip-scale connections ; attention-weighted feature fusion ; Rotated-SARShip dataset (RSSD) ; object classification ; radar image reconstruction ; convolutional neural networks ; ResNet18 ; GBSAR ; Omega-K algorithm ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 72
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: Because of the increasing pressure on both food safety and packaging/food waste, the topic is important both for academics, applied research, industry and also for environment protection. Different materials, such as glass, metals, paper and paperboards, and non-degradable and degradable polymers, with versatile properties, are attractive for potential uses in food packaging. Food packaging is the largest area of application within the food sector. Only the nanotechnology-enabled products in the food sector account for ~50% of the market value, with and the annual growth rate is 11.65%. Technological developments are also of great interest. In the food sector, nanotechnology is involved in packaging materials with extremely high gas barriers, antimicrobial properties, and also in nanoencapsulants for the delivery of nutrients, flavors, or aromas, antimicrobial, and antioxidant compounds. Applications of materials, including nanomaterials in packaging and food safety, are in forms of: edible films, polymer nanocomposites, as high barrier packaging materials, nanocoatings, surface biocides, silver nanoparticles as potent antimicrobial agents, nutrition and neutraceuticals, active/bioactive packaging, intelligent packaging, nanosensors and nanomaterial-based assays for the detection of food relevant analytes (gasses, small organic molecules and food-borne pathogens) and bioplastics.
    Keywords: TA1-2040 ; T1-995 ; TA401-492 ; alginate film ; antibacterial activity ; chitosan ; simulation ; vegetable oil ; degradation ; antibacterial ; montmorillonite nanoclay ; nanocomposites ; nanocoating ; smart nanomaterials ; tensile test ; fire ; rosehip seed oil ; biomaterials ; essential oil ; nanocoatings ; fused deposition modelling (FDM) ; antioxidant ; pectin film ; mechanical properties ; risk analysis ; personalized design ; powdered rosemary ethanolic extract ; barrier properties ; combustion ; cold-press oil ; polymer ; antimicrobial ; thiazolidine-4-one scaffold ; customization ; poly(lactic) acid ; graphene ; edible film ; carbon nanotubes ; electrospinning ; packaging design ; computer aid design (CAD) ; food packaging ; thermoforming ; reverse engineering ; technology ; product design ; risks ; polymeric systems ; bioactive food packaging ; poly(lactic acid) ; 3D printing ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-03-21
    Description: This Special Issue includes papers on physical phenomena, such as wind-driven flows, coastal flooding, and turbidity currents, and modeling techniques, such as model comparison, model coupling, parallel computation, and domain decomposition. These papers illustrate the need for modeling coastal ocean flows with multiple physical processes at different scales. Additionally, these papers reflect the current status of such modeling of coastal ocean flows, and they present a roadmap with numerical methods, data collection, and artificial intelligence as future endeavors.
    Keywords: high performance computing ; HPC ; PETSc ; parallelization ; scalability ; parallel performance ; streams ; curvilinear ; non-hydrostatic ; ocean modeling ; GCCOM ; open boundaries ; domain decomposition ; variational data assimilation ; inverse problems ; shallow water equations ; boundary conditions ; mathematical modelling ; coastal ocean modelling ; computational methods ; hydrodynamic ; modeling ; sea level rise ; mobile application ; app ; crowdsourcing ; SCHISM ; Tidewatch ; StormSense ; Catch the King ; downstream blocking ; compound flooding ; coastal storm surge and inundation ; explosive lateral flooding ; hurricane inland and upland flooding ; coastal modelling ; operational forecasting ; model evaluation ; inter-comparison ; NEMO ; FVCOM ; Ocean Protection Plan ; turbidity current ; suspended sediment ; numerical model ; Gulf of Mexico ; cold front ; Hurricane Barry ; numerical simulation ; subtidal hydrodynamics ; multi-inlet ; volume flux ; multiscale ; multiphysics ; model coupling ; data collection ; machine learning ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-08-12
    Description: The Special Issue "Computational Intelligence Application in Electrical Engineering" deals with the application of computational intelligence techniques in various areas of electrical engineering. The topics of computational intelligence applications in smart power grid optimization, power distribution system protection, and electrical machine design and control optimization are presented in the Special Issue. The co-simulation approach to metaheuristic optimization methods and simulation tools for a power system analysis are also presented. The main computational intelligence techniques, evolutionary optimization, fuzzy inference system, and an artificial neural network are used in the research presented in the Special Issue. The articles published in this issue present the recent trends in computational intelligence applications in the areas of electrical engineering.
    Keywords: active distribution network ; computational intelligence ; optimization algorithms ; optimal distribution system management ; optimal Smart Grid management ; advanced distribution system optimization ; renewable distributed generation ; Smart Grid optimization ; co-simulation ; computational intelligence techniques ; distributed generation ; optimal allocation and control ; power system protection ; overcurrent relays ; protection relays ; metaheuristic ; school-based optimizer ; electric markets ; photovoltaic generation ; Monte Carlo simulations ; power flow ; S-iteration process ; Newton–Raphson ; high order newton-like method ; computational efficiency ; line-start synchronous motor ; efficiency factor ; power factor ; optometric analysis ; transient models ; induction machine ; ant colony optimization ; predictive current control ; fuzzy logic control ; Takagi–Sugeno ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 75
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-05-06
    Description: This Special Issue publishes the latest advances and developments concerning the modelling of flooding in urban areas and contributes to our scientific understanding of the flooding processes and the appropriate evaluation of flood impacts. This issue contains contributions of novel methodologies including flood forecasting methods, data acquisition techniques, experimental research in urban drainage systems and/or sustainable drainage systems, and new numerical and simulation approaches in nine papers with contributions from over forty authors.
    Keywords: machine learning ; flash flood ; GIS ; Iran ; decision trees ; ensemble techniques ; manhole flooding ; urban flooding ; grid-based modeling ; SWWM ; FIRM ; pollutant transport ; hydraulic structures ; urban drainage ; CFD ; dual drainage ; Iber ; SWMM ; hazard ; artificial neural network ; resilient backpropagation ; multistep urban flood forecast ; demographic change ; urbanization ; flooding ; drainage system ; vulnerability ; Sub-Saharan Africa ; Antananarivo ; parameterised power-linear model ; hyper concentration ; dilute concentration ; suspended sediment transport ; flood ; sediment size parameter ; rouse number ; mean concentration ; flow depth ; urban flood modeling ; porosity ; shallow-water model ; urban flood management ; flood forecasting ; weather radar ; integrated hydraulic modeling ; and evacuation lead time ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 76
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: In this reprint, state-of-the-art research and review articles on emerging material systems for additive manufacturing (AM) are collected, with a focus on the process–structure–properties relationships. Additive manufacturing (AM) has grown and evolved rapidly in recent years. There are many exciting research and translational works in many areas of application, such as biomedical, aerospace and electronics. These advancements are typically coupled with materials development, which has resulted in more functionalities added to 3D-printed parts, such as multi-material fabrications and integration with machine learning or digital twins. Such enhancements in functionalities have enabled the evolution of AM from a rapid prototyping tool to an actual manufacturing solution. In this reprint, two reviews and thirteen original research articles are included to highlight the latest development in the field of materials science for AM.
    Keywords: titanium scaffolds ; 3D printing ; pore design ; selective laser melting ; lattice structures ; torsion ; design ; additive manufacturing ; functionally gradient lattice ; torsional stiffness ; energy absorption ; failure behavior ; ferritic steel ; heat treatment ; SLM ; nuclear application ; laser powder bed fusion ; solidification crack ; hot crack ; aluminum alloy powder ; EN AW-5083 ; AA5083 ; AlSi10Mg ; powder bed fusion ; metal matrix composites ; laser powder-bed fusion ; aluminum alloys ; reinforcement ; ceramic particulates ; grain refinement ; crystallographic texture ; mechanical properties ; laser-directed energy deposition ; melt pool ; process maps ; multi-fidelity Gaussian process ; Bayesian Optimization ; uncertainty quantification ; K418 alloy ; orientation ; phase ; microhardness ; color 3D printing ; penetration depth ; chromaticity ; image-based metric ; color reproduction ; Ti-24Nb-4Zr-8Sn ; titanium alloy ; biomedical engineering ; microstructure ; X-ray diffraction ; directed energy deposition ; shape-memory alloys ; joining of metals ; elemental powders ; 3D concrete printing (3DCP) ; hybrids ; geopolymer ; frost resistance ; UV radiation ; thermal conductivity ; surface finishing ; physical vapor deposition ; composites ; recycling ; polymer-matrix composites (PMCs) ; direct ink writing ; liquid deposition modeling ; glass fibers ; stainless steel ; AISI 316L ; AISI 630 (17-4PH) ; AISI 420 ; AISI 440C ; carbon content ; online monitoring ; electron beam melting ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGM Materials science
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  • 77
    Publication Date: 2022-11-17
    Description: Micro- and nano-molding technologies are continuously being developed due to enduring trends like increasing miniaturization and higher functional integration of products, devices, and systems. Furthermore, with the introduction of higher performance polymers, feedstocks, and composites, new opportunities in terms of material properties can be exploited, and, consequently, more micro-products and micro/nano-structured surfaces are currently being designed and manufactured.Innovations in micro- and nano-molding techniques are seen in the different processes employed in production (injection molding, micro injection molding, etc.); on the use of new and functional materials; for an ever-increasing number of applications (health-care devices, micro-implants, mobility, and communications products, optical elements, micro-electromechanical systems, sensors, etc.); in several key enabling technologies that support the successful realization of micro and nano molding processes (micro- and nano-tooling technologies, process monitoring techniques, micro- and nanometrology methods for quality control, simulation, etc.) and their integration into new manufacturing process chains.This Special Issue reprint showcases research papers and review articles that focus on the latest developments in micro-manufacturing and key enabling technologies for the production of both micro-products and micro-structured surfaces.
    Keywords: demolding process ; molecular dynamics simulation ; polypropylene ; injection molding ; nanostructure ; depth-to-width ratio ; air-shielding electrochemical micro-machining ; nozzle design ; flow field ; grey relational analysis ; optimization ; bistable mechanism ; V-beam structure ; compliant mechanism ; microinjection molding ; out-of-plane ; silicon photonics ; integrated optics ; waveguide crossing design ; multimode interference (MMI) ; sub-wavelength grating (SWG) ; multiplexing technology ; optical aspheric surface ; fast tool serve (FTS) ; machining error ; optical performance ; micro injection moulding ; adiabatic heating ; diesel effect ; venting ; film insert moulding ; surface analysis ; blister formation ; simulation ; semi-crystalline polymer ; PLLA ; thermoplastics ; microdevice ; direct-writing ; additive manufacturing ; micro manufacturing ; functionalization ; modeling ; micro-injection molding ; micro replication ; process simulation ; grating couplers ; integrated waveguide devices ; functional analysis ; micro-injection moulding ; machine design ; process capability ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: This book is the result of a Special Issue published in Applied Sciences, entitled “New Trends in Recycled Aggregate Concrete"". It identifies emerging research areas within the field of recycled aggregate concrete and contributes to the increased use of this eco-efficient material.Its contents are organised in the following sections: Upscaling the use of recycled aggregate concrete in structural design; Large scale applications of recycled aggregate concrete; Long-term behaviour of recycled aggregate concrete; Performance of recycled aggregate concrete in very aggressive environments; Reliability of recycled aggregate concrete structures; Life cycle assessment of recycled aggregate concrete; New applications of recycled aggregate concrete.
    Keywords: TA1-2040 ; T1-995 ; crushing ; heavyweight waste glass ; n/a ; recycled aggregate quality ; seismic load ; microstructure ; construction waste ; permeability ; bond strength ; seismic performance ; aggregate interlock mechanism ; recycled concrete aggregates ; compressive strength ; crumb rubber ; cellular concrete ; model ; cyclic load ; recycled aggregate ; crushed glass ; models ; recycled aggregate concrete ; reactive power concrete ; recycled aggregate concrete (RAC) ; energy absorbing ; creep ; elevated temperature ; fiber-reinforced concrete ; size effect ; recycled concrete aggregate ; geological nature of aggregates ; mechanical properties ; recycled concrete ; artificial neural networks ; recycled aggregates ; steel fibre ; quality of aggregates ; aggregates ; foam stability ; ceramic foam ; durable characteristics ; nylon fiber ; concrete ; mechanical characteristics ; strain rate ; steel reinforced recycled aggregate concrete (SRRAC) ; dynamic mechanical property ; concrete sludge fines ; water absorption ; columns ; environmental impact ; blast-furnace slag ; input variable ; tensile splitting strength ; aggregate ; returned concrete ; reinforced concrete member ; variable sensitivity ; soil stabilization ; numerical analysis ; shear behavior ; fly-ash ; modulus ; life cycle assessment ; foam structure ; silica fume ; recycling ; recycled coarse aggregate concrete ; ready-mixed concrete ; foam concrete ; flexural behavior ; mixture proportioning ; aggregate characteristic ; residual properties ; CT ; reinforced concrete ; shrinkage ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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  • 79
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-12-06
    Description: The development of materials from industrial wastes has attracted the attention of the research community for years. A material's physico-chemical characteristics have specific impacts its properties and their application in environmental, energetic, and biomedical areas, such as in pollutant removal; CO2 capture; energy storage; catalytic oxidation and reduction processes; the conversion of biomass to biofuels; and drug delivery. Examples of such materials are activated carbons, clays, and zeolites, among others. The aim of this Special Issue is to collect the recent advances and progresses developed in this field considering valorised materials from industrial wastes and their applications in environmental, energetic, and biomedical areas.
    Keywords: biomass gasification ; agricultural residues ; cogeneration plant ; life cycle assessment ; environmental impact ; greenhouse gas ; kinetics ; polyolefins ; aerobic biodegradation ; waste plastic materials ; biodegradation of plastic ; standard plastic testing ; gas explosion ; equivalent stoichiometric cloud ; Q9 ; explosion risk assessment ; model evaluation ; precoat layer ; precoat filtration ; cellulose fibres ; filter aids ; backwash filtration ; filter regeneration ; filter media resistance ; filter cake resistance ; turbidity ; particle layer ; LNG vapour ; dispersion ; hazard distances ; CFD ; topography ; phase change ; cold venting ; municipal solid waste ; SWDS ; composting process ; DOC ; IPCC guidelines ; GHG emissions ; wastewater treatment ; natural clays ; emerging contaminants ; zeolite ; bentonite ; Daphnia magna ; adsorption ; copper ; ion exchange ; thiourea ; X-ray photoelectron spectroscopy (XPS) ; reductive extraction ; resource recovery ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-03-07
    Description: In the last few years, huge amounts of progress have been made regarding remote sensing in the field of computer vision. This success and progress is mostly due to the effectiveness of deep learning (DL) algorithms. In addition, the remote sensing community has shifted its attention to DL, and DL algorithms have been used to achieve significant success in many image analysis tasks. However, with regard to remote sensing, a number of challenges caused by difficulties in data acquisition and annotation have not been fully solved yet. This reprint is a collection of novel developments in the field of remote sensing using computer vision, deep learning, and artificial intelligence. The articles published involve fundamental theoretical analyses as well as those demonstrating their application to real-world problems.
    Keywords: tropical cyclone detection ; meteorological satellite images ; deep learning ; deep transfer learning ; generative adversarial networks ; image target detection ; multiple scales ; any angle object ; remote sensing of small objects ; point clouds ; 3D tracking ; state estimation ; Siamese network ; deep LK ; convolutional neural networks (CNNs) ; multilayer feature aggregation ; attention mechanism ; remote sensing image scene classification (RSISC) ; hyperspectral image classification ; variational autoencoder ; generative adversarial network ; crossed spatial and spectral interactions ; crater detection algorithm (CDA) ; R-FCN ; self-calibrated convolution ; split attention mechanism ; transfer learning ; remote sensing ; oriented object detection ; rotated inscribed ellipse ; remote sensing images ; keypoint-based detection ; gated aggregation ; eccentricity-wise ; object detection ; remote sensing image ; anchor free ; oriented bounding boxes ; deformable convolution ; three-dimensional radar imaging ; convolution neural network ; super-resolution ; side-lobe suppression ; terahertz radar ; aerial image generation ; satellite image generation ; structure map ; style vector ; high resolution image ; self-constructing graph ; semantic segmentation ; GAN ; image generation ; data augmentation ; remote sensing disaster image ; convolutional neural network ; double-stream structure ; feedback ; encoder–decoder network ; dense connections ; instance segmentation ; Swin transformer ; cascade mask R-CNN ; remote sensing image retrieval ; hashing algorithm ; binary code ; triplet ordinal relation preserving ; cross entropy ; feature distillation ; forest fire ; smoke segmentation ; Smoke-Unet ; residual block ; Landsat-8 ; band sensibility ; unsupervised domain adaptation ; bidirectional domain adaptation ; image-to-image translation ; generative adversarial networks (GANs) ; U-Net ; high-density laser scanning ; logging trails ; digital surface model ; canopy height model ; commercial thinning ; convolutional neural networks ; multiview ; satellite and UAV image ; joint description ; image matching ; neural network ; contextual information ; Anchor Free Region Proposal Network ; polar representation ; 3D object detection ; point cloud ; sampling ; single-stage ; rotated object detection ; angle-based detector ; angle-free framework ; rotated region of interests (RRoIs) ; representative points ; plastic ; UAVs ; contrastive learning ; mutual guidance ; spatial misalignment ; vehicle detection ; ANN ; automatic classification ; risk mitigation ; machine learning ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: A collection of articles published under the guidance of Assoc. Prof. Ph.D. Andrei Victor SANDU in the Special Issue "Obtaining and Characterization of New Materials, Volume II". The published articles under this Special Issue represent an excellent collection of research and review articles with cutting-edge results that promote sustainable development in the field of material engineering.
    Keywords: sheep wool thermal-insulating mattresses ; air quality ; water vapor permeability ; formaldehyde ; road concrete ; porosity ; (NMR) relaxometry ; freeze–thaw ; blast furnace slag ; bismuth ; intermetallic compound ; IMC thickness ; mechanical properties ; isothermal annealing ; geopolymer ; fly ash ; GGBFS ; compressive strength ; soil stabilization ; flowable composite resin ; hydrochloric acid ; surface roughness ; toothbrush ; thermal insulation ; recycling ; polyethylene terephthalate (PET) ; polyester (PES) ; natural fibres ; sheep wool ; chia seed oil ; fatty acids composition ; epoxidized vegetable oil ; epoxy equivalent weight ; shear thickening fluids ; aging ; lightfastness ; product degradation ; rigid pavement ; fly ash based geopolymer ; acid resistance ; selective laser sintering ; spread the powder quality ; parameter optimization ; DEM ; RSM ; NSGA-II ; 9K medium ; bioleaching ; Thiobacillus ferrooxidans ; pollution indices ; ecological risk ; polyoxyethylene alkyether sulphate foam ; blended geopolymer foam ; high temperature ; pre-foaming method ; hydroxyapatite ; lysine ; inorganic–organic composite ; glassy carbon electrode ; electrode coating ; electrochemical analysis ; Nile blue A ; multi-beam box girder bridge ; ESP strengthening ; field test ; load lateral transferring performance ; structural stiffness ; densified wood ; ammonia ; Brinell hardness ; Paulownia ; hornbeam ; geopolymers ; laser sintering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGM Materials science
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-08-08
    Description: This reprint focuses on recent advancements, technical challenges, and novel design methodologies for the energy manufacturing system, including energy management, green manufacturing, sustainable manufacturing, energy saving in manufacturing systems, the operation and maintenance of power generation, prognostics and health management of power systems, and so on. With the increasing attention paid to sustainable development around the world, improving energy efficiency and applying effective means of energy saving have gradually received worldwide attention. As the largest energy consumers, manufacturing industries also inevitably face pressures on energy optimization evolution from both governments and competitors. The rational optimization of energy consumption in industrial operation activities can significantly improve the sustainability level of an entire company.
    Keywords: multi-level structure ; non-production energy consumption (NPEC) ; sub-batch priority ; multi-objective gray wolf optimizer (MOGWO) ; high-order hidden semi-Markov model ; composite node ; model reduction ; state duration ; polynomial fitting ; residual life prognosis ; wind turbines ; opportunistic maintenance ; structural correlation ; random correlation ; carbon emissions ; fault diagnosis technology ; improved convolutional neural network ; ship electrical power system ; Simulink ; synchronous generator ; hidden Markov model (HMM) ; autocorrelation ; residual chart ; failure mode ; effects and criticality analysis ; Z-number ; rough number ; DEMATEL method ; VIKOR method ; energy–carbon emissions nexus ; causal model ; low-carbon product ; future transport-manufacturing industries ; RV reducer ; assembly quality ; dendrites ; neural network ; transmission accuracy ; sustainable ; energy optimization ; operation and maintenance ; manufacturing systems ; automated storage and retrieval system ; hybrid flowshop ; genetic algorithm ; migratory birds optimization algorithm ; GA-MBO ; urban rail transit ; operational efficiency ; energy efficiency ; carbon emission ; data envelopment analysis ; preventive maintenance ; quality cost ; multiobjective optimization ; manufacturing system ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 83
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-03-21
    Description: Improving the durability of reinforced concrete structures is a mandatory strategy to reduce the environmental impact of construction materials together with aiming to limit carbon dioxide emissions, energy consumption and natural raw materials depletion. Hence, for both new and existing concrete structures, proper protective techniques are required to prevent premature failure induced by environmental aggressive agents. The book presents the most innovative findings both in designing durable new constructions and toward solving durability deficiencies in existing concrete structures, such as innovative special coatings, hydrophobic impregnations and pore blocking treatments that are very efficient in severe aggressive environments (seawater, biocorrosion, etc.). Moreover, migrant corrosion inhibitors applied on concrete surfaces are able to greatly improve resistance against both chloride and CO2. Finally, special reinforcements and fibers, together with a proper designed cathodic protection, can greatly contribute to obtaining long-life reinforced concrete structures, significantly increasing the sustainability of concrete construction.
    Keywords: durability of concrete ; chloride penetration ; rebar corrosion ; corrosion inhibitor ; silane-based surface treatment ; concrete ; reinforcing steel ; zinc coating ; HDG ; corrosion ; chlorides ; LPR ; EIS ; SEM ; EDS ; geopolymer coatings (GPC) ; setting time ; compressive strength ; adhesive strength ; impermeability ; steel fiber reinforced concrete ; zinc phosphate ; chloride ion corrosion resistance ; microstructure ; bond strength ; pullout ; optical measurements ; 3D scanning ; electrochemical noise ; fly ash ; cathodic protection ; coatings ; durability ; concrete bio-corrosion ; sulfuric acid corrosion control ; magnesium hydroxide coating ; sewerage pipe systems ; acid spraying test ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 84
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-09-11
    Description: This Special Issue aimed to collate recent works regarding the planning and control of energy systems. In particular, this Special Issue focuses on microgrids. This kind of system enables optimal integration of renewable energy sources, electric vehicles, energy storage, and demand-side management strategies, thus proposing a valuable framework through which to implement the decarbonization of the electricity sector. Special attention is given to those works devoted to systems with high penetration of renewables and advanced demand response strategies. Literature reviews are also included in this Special Issue, and some real-life experiences are described and analyzed.
    Keywords: optimization algorithm ; control system ; renewable energy ; PSO ; GWO ; battery storage energy ; electric vehicle ; photovoltaics ; BESS ; optimization ; AOA algorithm ; uncertainty ; distribution network ; DC multi-microgrid system ; carbon emissions ; economic dispatch ; across-time-and-space energy transmission ; cooperative multi-objective optimization ; PV ; wind turbine ; biomass system ; heap-based optimizer ; Franklin’s and Coulomb’s algorithm ; sooty tern optimization ; energy cost ; metaheuristics ; solar cell systems ; elephant herding optimization ; alpha tuned EHO ; cultural-based ; biased initialization ; parameter identification ; single diode ; double diode ; three diodes ; modular multilevel converter (MMC) ; fault-tolerant ; voltage source modular multilevel converter (VSMMC) ; SPWMLSC ; SPWMPSC ; STHILSC ; STHIPSC ; optimal energy management ; multi-agent system ; multi-energy carrier ; renewable energy sources ; microgrids management ; renewable energy resources ; isolated microgrids ; optimization techniques ; demand-side management (DSM) ; distributed generations (DGs) ; energy management systems (EMS) ; renewable energy sources (RES) ; waste to energy (W2E) ; microgrid architecture ; smart infrastructure ; resilience ; optimization model ; critical node identification ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 85
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: This reprint covers the latest developments in the field of eco-polymeric materials and natural polymer processing and utilization, highlighting cutting-edge research focusing on the processing of advanced polymers and their composites. It demonstrates that the field of eco-polymeric materials and natural polymers is still gaining increased attention. Innovative approaches as well as advanced applications of eco-polymeric materials and natural polymers in different fields, such as energy, environment, biomedical, biomaterial, and engineering, are reported in this reprint.
    Keywords: outdoor wood mats-based engineering composite ; wood-degrading fungi ; decay resistance ; durability ; nanohydrogels ; citral ; sustained-release ; mechanism ; bamboo ; anti-mould ; rosin modification ; round bamboo culm ; visual characteristics ; eye tracking ; surfactant ; urea-formaldehyde resin ; laminated bamboo veneer ; gluability ; wood–plastic composites ; heat transfer modeling ; sweet sorghum ; high-density polyethylene ; hot-pressing ; fibrovascular bundle ; salacca frond ; modified orientation board ; citric acid ; Aquilaria crassna wood ; natural rubber ; antifungal ; lignin ; proteins ; compression performance ; load–displacement curves ; digital image correlation (DIC) ; failure mode ; coupling agent ; interfacial bonding ; oriented strand–thermoplastic composites ; wood veneer–thermoplastic composites ; cross-laminated timber ; stability coefficient ; axial compression ; timber structures ; slenderness ratio ; Chinese pine wood ; pine needles ; bamboo culms ; bamboo leaves ; industrial hemp hurd ; CMC ; DS ; mechanical properties ; TG ; XRD ; FTIR ; chitosan ; tartaric acid ; nanocrystal ; self-assembly ; evaporation ; dehydration of crystallization ; biopolymers ; sustainability ; emergy accounting ; polyhydoxyalkanoates ; slaughterhouse residues ; poly(lactic acid) ; impact modifier ; polymer blends ; properties ; multilayered bamboo fiber ; topochemistry ; microscopic imaging ; gradient micromechanics ; core–shell structure ; hydrogel ; double load ; response surface ; acidic treatment ; colour ; mould-resistant ; starch ; Phyllostachys pubescens ; fibre ; lignification ; micro-morphological regions of cell wall ; syringyl lignin ; guaiacyl lignin ; visible-light spectrophotometry ; electrochemical method ; moisture content ; shrinkage strain ; wood water loss ; konjac glucomannan ; oxidized hyaluronic acid ; hydrogels ; tung oil ; thermal treatment ; color ; cellulose fibers ; adsorption ; Cr(VI) ; sulfhydryl-modified ; water resistance ; bamboo scrimber composite ; bonding interface ; polymer soil consolidation agent ; preparation conditions ; consolidated adhesive film ; compressive strength ; seedling transplanting ; chemical change ; thermal property ; delignification ; pyrolysis ; bamboo microstructure ; shear performance ; test methods ; moso bamboo ; fracture behavior ; shearing characteristics ; transparent bamboo ; optical properties ; functionalization and application ; glycerin ; sodium alginate ; tensile strength ; elongation at break ; poplar ; cell walls ; cross-linking modification ; wood properties ; egg white hydrogel ; dual cross-linking ; metal ions ; secondary structure ; biocompatibility ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGM Materials science
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: The reprint is devoted to the phenomena associated with exact or approximate axial symmetry in different areas of technical physics and mechanical engineering science. How can the symmetry of the problem be used most efficiently for its analysis? Why is the symmetry broken or why is it still approximately retained? These and other questions are discussed based on systems from different fields of engineering.
    Keywords: fretting wear ; axis-symmetry ; tangential contact ; torsional contact ; Abel transform ; injection molding ; concentricity ; coaxiality ; optical barrel ; bilateral telecentric lens ; optimization ; contact problem ; non-axisymmetric indenter ; extremal principle ; generalized MDR ; non-axisymmetric ; circular contact ; frictionless contact ; general solution ; closed-form solution ; series solution ; cylindrical punch ; contact stress-intensity factor ; cylindrical symmetry ; spherical symmetry ; periodic boundary conditions ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 87
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-06-23
    Description: The title of the current Special Issue, “Feature Papers in Materials Simulation and Design”, has identified the aims of this collection since its opening: the gathering of research works and comprehensive review papers that advance the understanding and prediction of material behavior at different scales, from atomistic to macroscopic, through innovative modeling and simulation.In this context, interdisciplinary researches that tackled challenging and complex material problems where the governing phenomena might span different scales of material behavior, with an emphasis on the development of quantitative approaches to explain and predict experimental observations, have been collected. Similarly, particular attention has been given to homogenization techniques for the evaluation of the mechanical properties of new materials and multi-phase composites. Innovative numerical approaches for the mechanical analysis, highlighting their accuracy, reliability, and stability features, have been also welcomed. Significant space has been also given to advanced and sustainable technologies. From the aforementioned topics, it is evident that this Special Issue represents the ideal forum for disseminating excellent research findings, as well as sharing innovative ideas in this significant field.Throughout the several months of activity, this Special Issue has been able to attract much interesting research. Its success is proven by the sixteen papers collected and published.
    Keywords: die height ; biomass compaction ; relaxation coefficient ; briquette density ; logging residues ; mechanical engineering ; scale opening mechanics ; seed extraction ; morphological structure ; numerical simulation ; computational fluid dynamics ; OpenFOAM ; cementitious materials ; Bingham rheology ; pumping ; reliability ; pentagon-based 2D material ; thermal conductivity ; thermoelectric properties ; anharmonicity ; additive manufacturing ; fused deposition modeling ; lattice structures ; TPU ; layering ; zirconia ceramics ; brittle medium ; porosity ; Kolsky method ; compressibility ; strength ; fracture ; stress growth rate ; light-harvesting ; water splitting ; photoferroics ; high-throughput screening ; Ruddlesden-Popper perovskites ; high-pressure water jet ; high-pressure water-ice jet ; paint coating ; geometric structure of the surface ; base ; surface efficiency of the process ; renovation ; acrylonitrile butadiene styrene ; artificial neural networks ; dynamic mechanical properties ; Particle Swarm Optimization ; green composite ; bumper beam ; numerical modeling ; energy absorption ; natural fibers ; axial vibration ; short-fiber-reinforced ; Fourier series ; nonlocal elasticity ; thin-walled ; FEM ; thermal buckling analysis ; tungsten trioxide ; graphene oxide ; photocatalysis ; nanocomposite ; composite laminate ; mode-II delamination ; R-curve ; temperature ; cohesive law ; nonlinear hyperelastic material ; viscoelasticity ; semi-analytical polynomial method ; large deformation ; finite element method ; numerical methods ; thin shells ; variable-stiffness structures ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: The use of lightweight structures across several industries has become inevitable in today’s world given the ever-rising demand for improved fuel economy and resource efficiency. In the automotive industry, composites, reinforced plastics, and lightweight materials, such as aluminum and magnesium are being adopted by many OEMs at increasing rates to reduce vehicle mass and develop efficient new lightweight designs. Automotive weight reduction with high-strength steel is also witnessing major ongoing efforts to design novel damage-controlled forming processes for a new generation of efficient, lightweight steel components. Although great progress has been made over the past decades in understanding the thermomechanical behavior of these materials, their extensive use as lightweight solutions is still limited due to numerous challenges that play a key role in cost competitiveness. Hence, significant research efforts are still required to fully understand the anisotropic material behavior, failure mechanisms, and, most importantly, the interplay between industrial processing, microstructure development, and the resulting properties. This Special Issue reprint book features concise reports on the current status in the field. The topics discussed herein include areas of manufacturing and processing technologies of materials for lightweight applications, innovative microstructure and process design concepts, and advanced characterization techniques combined with modeling of material’s behavior.
    Keywords: TA1-2040 ; T1-995 ; TA401-492 ; n/a ; microstructure ; Mg-Al-Ba-Ca alloy ; strength ; severe plastic deformation ; hot working ; surface roughness ; high pressure torsion extrusion ; optimization ; fatigue fracture behavior ; magnesium alloys ; de-coring ; formability ; multilayered sheets ; HPDC ; spring-back ; contact heat transfer ; mechanical properties ; bending ; in-die quenching ; equivalent strain ; light metals ; processing ; heat transfer ; damage ; creep aging ; thin-walled profile ; rolling ; aluminum alloy ; transmission line fittings ; ceramic core ; processing map ; automated void recognition ; FEA ; multi-output porthole extrusion ; density ; kinetic analysis ; texture ; non-ferrous alloys ; material characterization ; stress superposition ; hot stamping ; metal flow ; hybrid composite material ; V-bending test ; finite element model ; aluminium alloy ; shear lap test ; Al-Cu-Mg alloy ; characterization ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
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  • 89
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: Semi-solid metal (SSM) processing, as a viable alternative manufacturing route to those of conventional casting and forging, has not yet been fully exploited despite nearly half a century since its introduction to the metal industry. The slow pace of adopting SSM routes may be due to various reasons, including capital costs, profit margins, and, most importantly, the lack of detailed analysis of various SSM processes in open literature to confidently establish their advantages over more conventional routes. Therefore, the SSM community must disseminate their findings more effectively to generate increased confidence in SSM processes in the eyes of our industrial leaders. As such, we have embarked on the task to invite the leaders in SSM research to share their findings in a Special Issue dedicated to semi-solid processing of metals and composites. SSM processing takes advantage of both forming and shaping characteristics usually employed for liquid and solid materials. In the absence of shear forces, the semi-solid metal has similar characteristics to solids, i.e., easily transferred and shaped; by applying a defined force, the viscosity is reduced and the material flows like a liquid. These unique dual characteristics have made SSM routes attractive alternatives to conventional casting on an industrial scale. With the intention of taking full advantage of SSM characteristics, it is crucial to understand SSM processing, including topics such as solidification and structural evolution, flow behavior through modelling and rheology, new processes and process control, alloy development, and properties in general. This Special Issue focuses on the recent research and findings in the field with the aim of filling the gap between industry and academia, and to shed light on some of the fundamentals of science and technology of semi-solid processing.
    Keywords: 7075 aluminum alloy ; thixoforming ; post-welding-heat treatment ; electron beam welding (EBW) ; nano-sized SiC particle ; wear rate ; friction coefficient ; rheoformed ; thixoformed ; semi-solid ; microstructure ; mechanical properties ; wear ; corrosion ; Al–Si alloys ; rheocasting ; HPDC ; electrochemical evaluation ; rheological model ; semi-solid state ; Mg alloys ; high-temperature rheology ; rheological properties ; rheology ; semi-solid alloys ; thixotropy ; rheometer ; compression test ; viscosity ; semi-solid material ; A356 alloy ; electromagnetic stirring ; compression ; primary α-Al particle ; enclosed cooling slope channel ; ZCuSn10P1 ; microstructure refinement ; properties ; thixowelding ; thixojoining ; semisolid joining ; cold-work tool steel ; semisolid processing ; thixoformability ; Fe-rich Al-Si-Cu alloy ; 2024 aluminum matrix composites ; Al2O3 nanoparticles ; polarized light microscopy ; anodic etching ; EBSD ; grain ; globule ; Al-Si alloy ; semi-solid metal processing ; EMS ; thixocasting ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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  • 90
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-06-21
    Description: This book is a compilation of original research articles that apply a variety of techniques to identify and evaluate water resource management policies. These papers cover a wide range of topics and methodologies applied across the world, from a local to a continental scope. They illustrate open challenges in water resource management, such as the quantitative assessment of policy impacts, trade-off analyses, understanding the water–energy–food–environment nexus, collaborative model development, stakeholder engagement, formalizing social interactions, or improving the theoretical understanding of complex adaptive systems. Therefore, this book is a representation of research areas that have emerged from the origins of water resource systems analysis, seeking to improve the way in which water policy is formulated and implemented.
    Keywords: climate change ; water resources ; water availability ; uncertainty ; WAAPA model ; Western Europe ; water quality ; background pollutants ; export coefficient model ; chemical oxygen demand ; ammonia nitrogen ; water resource accessibility ; spatial pattern ; coupling coordination degree ; water resource management ; Southwest China ; pump efficiency ; water distribution systems ; water supply systems ; optimization ; design policies ; design ; BMPs ; Revised GWLF ; NSGAII ; hydrological dam safety ; initial reservoir level ; maximum conservation level ; water conservation volume ; flood control volume ; yield reliability ; regular operation ; stochastic methodology ; water management ; resources ; system dynamics ; drought management ; drought impacts ; urban public services ; inter-administrative cooperation ; border studies ; internal borders ; river municipalities ; freshwater health ; river chief system ; ecological integrity ; social services ; water governance ; national standard ; risk assessment ; water-saving ; set pair analysis ; China ; fluvial ecosystems ; hydropeaking ; InSTHAn tool ; short-term flow regimes ; subdaily flows ; sustainable river management ; droughts ; hydrological risk ; agri-food sector ; event study ; financial markets ; BOVESPA ; stormwater ; industrial facilities ; run off ; self-reported data ; multifunctional water source area ; ecotourism, people with different stakeholders ; balanced decision-making ; sponge city ; fuzzy comprehensive evaluation method ; water resource carrying capacity ; gray correlation analysis ; multiple linear regression models ; water environment capacity ; reservoir performance ; water resources systems ; participatory modeling ; river basin planning ; watershed management ; water scarcity ; water conflicts ; Robust Decision Support ; WEAP ; Integrated Water Resources Management ; Bolivia ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 91
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: The second volume of the Special Issue on “Micro-Electro Discharge Machining: Principles, Recent Advancements and Applications” confirms the growing interest in the micro-EDM technology as a suitable and efficient technology for machining novel, multilateral components, with demanding requirements in terms of precision, accuracy, and productivity.This volume consists of 10 original research papers which involve several approaches to micro-EDM and cover the enhancement of the process performance, such as the material removal rate, surface roughness, or machining accuracy, using advanced optimization methods. Some studies also consider several dielectric fluid additives and investigate the processability of new materials. Others investigate the combination of Reverse-micro-EDM with laser beam micromachining or explore new applications for the micro-EDM for fabricating antimicrobial nanosilver colloid.
    Keywords: electrical discharge machining ; metal matrix composite ; Taguchi ; micro-hardness ; surface roughness ; material removal rate ; wire electro-discharge machining ; polymer composite materials ; processing precision ; interelectrode gap ; micro-EDM milling ; accumulative difference ; material removal ; tool electrode wear ; analytical hierarchy process ; residual stress ; metal erosion rate ; Reverse-μEDM ; Nd: YAG LBµM ; micro-holes ; burrs ; protrusions ; electrical discharge machine ; energy consumption ; nanosilver colloid ; antimicrobial ; micro-EDM ; tungsten carbide ; carbon nanofiber ; silicon ; alumina ; shape memory alloys ; nitinol ; optimization ; near-dry wire electric discharge machining (WEDM) ; teaching–learning based optimization (TLBO) algorithm ; micro electrical discharge machining ; vibration assisted electrical discharge machining (EDM) ; high-speed camera ; array electrode ; structured surface ; efficiency ; micromachining ; performance ; quality ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 92
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-01-08
    Description: The states of bridge structures decline over time due to various degradation processes, such as creep, corrosion, and cyclic loading. During its life cycle, a bridge also faces the great threat of multiple hazards, such as winds, earthquakes, collisions, waves, landslides, and so on. Structural damages in an existing bridge affect operational and structural safety and weaken the sustainability of bridges. Therefore, advanced damage diagnosis techniques and safety assessment methods are strongly required to ensure structural safety and achieve infrastructure sustainability. This Special Issue aims to bring together recent scientific developments in probabilistic hazard analysis, structural exposure models, damage diagnosis methods, testing and measurement techniques, dynamic behavior and protection technology, damage mechanisms, risk assessment framework, and resilience-based approaches. Since we have past one year since this Special Issue opened, thirteen papers have been published, the majority of which focus on the structural safety assessment of bridges under wind, earthquake, collision, wave, etc. The Guest Editors believe that this reprint will provide important theoretical and technical support for bridge damage diagnosis and safety assessment and promote communication and cooperation between design, construction, research, teaching, and production.
    Keywords: self-consolidating concrete ; micro-steel fiber ; high admixture ; mechanical performance ; grid pile foundation ; ABAQUS ; load-bearing performance ; Monte Carlo method ; safety assessment ; sea-crossing bridges ; triangle elevation ; leveling method ; dynamic compensation ; total station ; harsh environment ; long distance ; sea-crossing elevation ; combined survey platform ; numerical simulation ; strong wave and deep-water conditions ; wave-current load ; working performance ; arch bridge ; ultimate span length ; theoretical analysis ; high-performance material ; strength ; stability ; bridge ; near-fault earthquake ; vertical separation ; eccentric impact ; failure mode ; pounding ; prefabricated frame bridge ; seismic behaviors ; small and medium bridge ; seismic responses ; stopper damage ; numerical method ; conformal mapping ; closed box girder ; sliding searching method ; flutter performance ; aerodynamic forces ; streamlined box girder ; coupled vibration ; potential flow ; second-order component ; bridge engineering ; temperature gradient ; parameter sensitivity ; steel slag ; concrete-filled double-skin steel tube (CFDST) ; T-joint ; seismic performance ; concrete-filled steel tubular (CFST) ; laced piers ; modeling method ; design optimization ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 93
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-02-02
    Description: Advanced sensing, fault diagnosis, and structural health management are important parts of the maintenance strategy of modern industries. With the advancement of science and technology, modern structural and mechanical systems are becoming more and more complex. Due to the continuous nature of operation and utilization, modern systems are heavily susceptible to faults. Hence, the operational reliability and safety of the systems can be greatly enhanced by using the multifaced strategy of designing novel sensing technologies and advanced intelligent algorithms and constructing modern data acquisition systems and structural health monitoring techniques. As a result, this research domain has been receiving a significant amount of attention from researchers in recent years. Furthermore, the research findings have been successfully applied in a wide range of fields such as aerospace, manufacturing, transportation and processes.
    Keywords: structural health monitoring ; wireless sensor network ; steel-framed construction ; corrosion ; pulsed eddy current ; tethered satellite formation ; dynamic behavior ; control ; stable deployment ; Floquet theory ; Francis turbine unit ; prognostic ; performance state evaluation ; degradation trend prediction ; DBSCAN ; Gaussian mixture model ; NSGA-II ; Gaussian process regression ; pipeline ; fatigue crack ; stress intensity factor ; finite element ; XGBoost ; bolt axial stress ; acoustoelastic effect ; scattering attenuation ; stress-dependent attenuation coefficient ; sensitive frequency band ; triaxial force transducer ; wide-range ; dynamic calibration ; Hopkinson bar ; sensitivity matrix ; status evaluation ; mining XLPE cables ; membership cloud ; D-S evidence theory ; PZT ; smart aggregate ; ECC beam ; damage monitoring ; aeromagnetic survey ; OBE interference compensation ; LSTM network ; rust detection ; transmission lines fitting ; object recognition ; faster R-CNN ; transmission safety ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 94
    Publication Date: 2024-04-09
    Description: This reprint is a collection of papers published in a Special Issue that collected the recent advances within and investigations of the research fields of manufacturing and the characterisations or modelling of materials. The variety and quality of all these papers are addressed to both academic and industrial researchers who are looking for new information that can contribute to the advancement of future research in these highly challenging fields.
    Keywords: ATIG welding ; mixing design method ; particle swarm optimization (PSO) ; pseudo-ternary flux ; 316L SS ; mathematical modeling ; mechanical properties ; microstructure ; dynamic deformation behavior ; Cowper-Symonds model ; texture ; Hall–Petch relationship ; textile signal lines ; textronic systems ; data transmission over textiles ; smart textiles ; characteristic impedance ; signal quality tests ; smart garments ; e-textiles ; steel bar structures ; parametric design ; genetic algorithms ; structural optimization ; lightweight structures ; manufacturing and processing ; laminated composite double-cylindrical shell system ; improved Fourier series ; Rayleigh–Ritz method ; free vibration ; steady-state response ; hydrogen embrittlement ; nanograined materials ; intergranular deformation ; brittle fracture ; grain refinement ; magnesium alloy AZ91 ; short carbon fibers ; compressive strength ; wear resistance ; wear mechanisms ; wear debris ; hydrogen ; hydrogen fuel cell ; depressurization ; orifice plate structure ; computational fluid dynamics ; numerical model ; roughness surface ; morphological characterization ; characterization parameter set ; redundant parameter set ; ISO25178 ; face gears ; 3D optical scanning ; point clouds ; tooth surface deviations ; loaded tooth contact analysis ; meshfree method ; laminated composite shell ; rotating shell ; free vibration analysis ; thermal effect ; Rayleigh–Ritz technology ; laminated submarine-like model ; annular plate ; vibration analysis ; molecular dynamics ; dislocation nucleation ; plastic deformation ; aluminum alloys ; AA6082-T6 ; AA2011-T6 ; friction stir spot welding ; friction stir deposition ; keyhole refilling ; ultrasonic-assisted thermal forming ; ultrasonic softening effect ; stress reduction amplitude ; evolution of microstructure ; AZ91D magnesium alloy ; laser cladding ; Al-Si + Y2O3 coating ; tribological property ; corrosion resistance ; n/a ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
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  • 95
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-11
    Description: The first three papers describe research activities about poly(lactic acid) (PLA)-based blends and their composites with wheat bran that were carried out under the framework of the BIONTOP project ("Novel Packaging Films and Textiles with Tailored End of Life and Performance Based on Bio-based Copolymers and Coatings", 837761) funded by the European Commission BBI-JU program. The melt fluidity, morphological, thermo-mechanical, creep and fracture properties of these promising biodegradable materials were considered and discussed. The reprint then includes two contributions (a review and a research article) written in the contest of ECOFUNCO project ("ECO Sustainable Multi FUNctional Biobased COATings with Enhanced Performance and End of Life Options", 837863) funded by the European Commission BBI-JU program. The review explores possible innovations in the field of solid and liquid biobased coatings, whereas the research article examines the modification of paper tissues with biobased additives for sustainable personal care applications. A research paper on the production of PLA-based composites to valorize hazelnut shell powder, which represents an agro-food waste, is also included in the reprint. Moreover, the reprint presents research papers investigating different biobased materials for environmental depollution, including hydrogel-based, bacterial cellulose-based and biochar-based materials. Finally, a research paper on the behavior of natural rubber during aging is presented.
    Keywords: bacteria cellulose ; poly Schiff base ; chromium ; adsorption ; poly(lactic) acid (PLA) ; poly(butylene succinate-co-adipate) (PBSA) ; binary blends ; micromechanical analysis ; mechanical tests ; polyurethane-biochar crosslinked material ; modified filter additive ; phosphorus release and adsorption ; bioretention facilities ; stormwater treatment ; rubber waterstop ; low temperature ; aging performance ; microscopic examination ; mechanism analysis ; fibrillated nanocellulose ; hydrogel ; methyl orange ; polymer ; creep ; micromechanics ; coatings ; active molecules ; barrier properties ; biocomposites ; natural fibers ; poly(lactic acid) (PLA) ; extrusion compounding ; fracture mechanics ; chitin nanofibrils ; polyphenols ; paper tissues ; mechanical properties ; bio-based coatings ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGM Materials science
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  • 96
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2022-07-06
    Description: This book focuses on a variety of interdisciplinary perspectives concerning the theory and application of artificial intelligence (AI) in medicine, medically oriented human biology, and healthcare. The list of topics includes the application of AI in biomedicine and clinical medicine, machine learning-based decision support, robotic surgery, data analytics and mining, laboratory information systems, and usage of AI in medical education. Special attention is given to the practical aspect of a study. Hence, the inclusion of a clinical assessment of the usefulness and potential impact of the submitted work is strongly highlighted.
    Keywords: computational intelligence ; medical assistance ; instance-based learning ; healthcare ; clinical decision support systems ; deep neural networks ; medical imaging ; backdoor attacks ; security and privacy ; COVID-19 ; gastric cancer ; endoscopy ; deep learning ; convolutional neural network ; brain ; pituitary adenoma ; dysembryoplastic neuroepithelial tumor ; DNET ; ganglioglioma ; digital pathology ; computer vision ; machine learning ; CNN ; ATLAS ; HarDNet ; Swin transformer ; segmentation ; U-Net ; cerebral infarction ; CycleGAN ; advanced statistics ; schizophrenia ; aggression ; forensic psychiatry ; medical image segmentation ; CT image segmentation ; kernel density ; semi-automated labeling tool ; Bayesian learning ; neuroimaging ; feature selection ; kernel formulation ; mental disorders ; MRI ; visual acuity ; fundus images ; ophthalmology ; SVM ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 97
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-09
    Description: This Special Issue provides an update on the most recent research and developments in the area of freeze-drying technology in foods. It presents a combination of experimental and modeling studies, offering an overview of oncoming challenges and opportunities on the topic.
    Keywords: aquafaba ; chickpea ; emulsifiers ; egg replacer ; egg-free products ; vitamin C ; total phenols ; total carotenoids ; antioxidant activity ; colour ; mechanical properties ; pressure ; shelf temperature ; freezing rate ; freeze-drying ; lyophilization ; plant-based foods ; fruits ; vegetables ; blueberry freeze-drying ; berry-busting ; skin perforation ; primary drying time ; quality ; gellan gum ; modified pH ; riboflavin ; drying kinetics ; release mechanism ; model discrimination ; process design ; rehydration ; modelling ; microstructure ; food quality ; encapsulation ; processes combination ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
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  • 98
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-01-08
    Description: With the continuous improvement of artificial intelligence and sensing technologies, the marine field is ushering in unprecedented change. In this wave of change, the design and application of marine transportation have become significant tools for promoting the marine economy and environmental protection. Motion control and path planning have become key technologies to ensure that marine transportation vehicles operate efficiently and intelligently in complex marine environments. Therefore, this Special Issue focuses on motion control and path planning for marine vehicles and explores how autonomous underwater vehicles (AUVs), surface unmanned vehicles (USVs), and deep-sea landers (DSLVs) can play a key role in the oceans through optimization strategies and new approaches. We will delve into the application of intelligent and autonomous motion control systems on marine vehicles, and the innovation and optimization of path-planning techniques. In this Special Issue, we brought together the latest results from experts and researchers, aiming to share their cutting-edge research in motion control and path planning for marine vehicles. We expect that the presentation of these papers will provide new ideas and solutions to promote marine science and technology development and application. Finally, we would like to convey our most profound gratitude to the staff of MDPI Books and the editorial team of Marine Science and Engineering, in particular the assistant editors, talented authors, and diligent reviewers.
    Keywords: motion control ; path planning ; ship motion ; marine vehicle ; unmanned ocean vehicles ; autonomouslearning and AI ; cooperation and coordination ; unmanned marine vehicle swarm ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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  • 99
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-07-14
    Description: This reprint focuses on the research of textile materials for conventional and protective clothing. More than ever, multidisciplinary research applied to the field of new textile materials and new techniques of processing and joining materials is needed. The main research topics of this Special Issue include research and development of new materials and the improvement of their properties, and the mechanical and thermal properties of yarns, materials and clothing. Simulations based on the physical and mechanical properties of fabrics for the purpose of prediction assessment of the appearance and behavior of clothing, as well as 3D virtual garment prototypes using 3D body models and involving 3D human-body scanning, are interesting and significant topics in the field of clothing engineering. The problem of microplastics that are produced during the manufacture or cleaning of synthetic textiles has also been investigated in this Special Issue.
    Keywords: electroconductive material ; polyamide ; silver ; shielding effectiveness ; wet cleaning ; dry cleaning ; polyurethane ; material ; clothing ; mechanical properties ; heat resistance ; woven fabric ; plain weave ; electrically conductive yarn ; resistance ; tensile force ; elongation ; knit ; plain stitch ; multi-filament yarn ; 3D model ; stretching ; air permeability ; fashion design ; textile material ; textile pattern ; thermal camouflage ; biomimetic ; leather ; drape coefficient ; leather rigidity ; drapability ; leather thickness ; kinematic 3D human-body model ; sitting posture ; Blender software ; virtual prototyping ; personalized clothing ; linen fabric ; warp crimp ; calculated crimp ; experimental crimp ; moisture vapor permeability ; ecofriendly fiber ; Tencel ; bamboo ; KES-F7 ; pore diameter ; fabric ; drape ; physical and mechanical properties ; polygonal model ; 3D simulation ; linen/silk fabric ; pilling resistance ; singeing ; pigment and reactive printing ; electrospinning ; nanofibres ; filtration ; particles retention ; multilayer systems ; clothing physiology ; tight-fitting sportswear ; running test on a treadmill ; thermal comfort ; skin temperature ; perspiration ; protective clothing for firefighters ; flame manikin ; fire resistant materials ; flammability of materials ; thermal decomposition ; microplastics ; wastewater ; textiles ; polyester ; polyester ageing ; bibliometric analysis ; research trend ; artificial intelligence ; Web of Science ; 3D printing ; textile applications ; polylactic acid (PLA) ; breaking force ; knee protector ; FR fabric ; printing ; wash fastness ; spectrophotometry ; cotton fabric ; Proban® ; environmentally friendly washing procedure ; flame retardant durability ; MCC ; appearance ; knitted fabric ; cycle load ; elastic limit ; elastane ; hysteresis curve ; socks ; modal ; micro modal ; yarn type ; durability ; comfort ; textile testing ; n/a ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2023-04-05
    Description: This reprint covers topics on geographical scale of glacier and lake ice variations, as well as the engineering scale of ice properties and their practical applications via laboratory tests and numerical modeling.
    Keywords: level ice ; ice resistance ; probability distribution ; polar ship ; circumferential crack method ; ice phenology ; Eurasia ; analytical model ; climate ; altitude ; spatial statistics ; glacier resources ; glacier inventory ; climate change ; topography ; Xinjiang ; polar ships ; propeller ; ice blockage ; cavitation effect ; EFD-CFD ; Manas river basin ; Kaidu river basin ; glacier mass balance ; Geographical detector ; attribution analysis ; arctic oil and gas resources ; Kulluk platform ; mooring system ; ice load ; ice-structure interaction ; sea ice ; fresh-water ice ; parametrization scheme ; melting rate ; laboratory study ; unmanned aerial vehicles ; SIFT algorithm ; brutal force matching ; RANSAC algorithm ; ice velocity ; blasting under ice ; dynamic simulation ; blasting volume ; parameter analysis ; collaborative bearing capacity ; analytic hierarchy process ; SD model ; simulation prediction ; Ulan Suhai Lake ; lake ; wetlands ; optical satellite data ; cloud ; Wuliangsu Lake ; ship ice accumulation ; sea spray ; marine structures ; SPH-FEM coupling method ; distilled water ice ; uniaxial compressive strength ; growth temperature of ice ; strain rate ; grain size ; ice core ; fabric ; microstructure ; glacial shear margin ; Dalk Glacier ; river ice ; thickness ; GPR ; temperature ; Yellow River ; water resources from melted glaciers ; lake ice phenology ; ice properties ; ice engineering ; ecosystem under lake ice ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology
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