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  • Online Books  (35)
  • Publication Database PIK
  • hydrology  (19)
  • energy engineering  (16)
  • 2010-2014  (35)
  • 1
    Unknown
    Warsaw, Berlin : De Gruyter Open
    Keywords: hydrology ; hydraulics ; oceanography ; meteorology ; environmental sciences
    Description / Table of Contents: Natural hazards and anthropic activities threaten the human environment. The gathering of field data is needed so as to quantify the impact of such activities. To gather the necessary data researchers nowadays use a great variety of new instruments based on electronics. Yet, the working principles of this new instrumentation might not be well understood by some potential users. All operators of these new tools must gain proper insight so as to be able to judge whether the instrument is selected appropriately and functions adequately. This book attempts to demonstrate some characteristics that are not easy to understand by the uninitiated in the use of electronic instruments. The material presented in this book was prepared with the purpose of reflecting the technological changes that have occurred in environmental modern instrumentation in the last few decades. The book is intended for students of hydrology, hydraulics, oceanography, meteorology and environmental sciences. Basic concepts of electronics, special physics principles and signal processing are introduced in the first chapters in order to enable the reader to follow the topics developed in the book, without any prior knowledge of these matters. The instruments are explained in detail and several examples are introduced to show their measuring limitations. Enough mathematical fundamentals are given to allow the reader to reach a good quantitative knowledge.
    Pages: Online-Ressource (XXI, 433 Seiten)
    ISBN: 9783110401721
    Language: English
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  • 2
    Keywords: energy engineering
    Description / Table of Contents: A sustainable future for our information society relies on bridging the gap between the energy required to operate portable ICT devices with the energy available from portable/mobile sources. The only viable solution is attacking the gap from both sides, i.e. to reduce the amount of energy dissipated during computation and to improve the efficiency in energy harvesting technologies. This requires deeper and broader knowledge of fundamental processes and thorough understanding of how they apply to materials and engineering at the nanoscale, all the way up to the design of energy-efficient electronics. This textbook is a first attempt to discuss such concepts towards Zero-Power ICT. The content is accessible to advanced undergraduates and early year researchers fascinated by this topic. The book is realized through the EU-funded ZEROPOWER project.
    Pages: Online-Ressource (252 Seiten)
    ISBN: 9789535112181
    Language: English
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  • 3
    Keywords: water ; hydrology ; economics
    Description / Table of Contents: This book brings together some of the world’s leading water researchers with an especially written collection of chapters on: water economics; transboundary water; water and development; water and energy; and water concepts.
    Pages: Online-Ressource (239 Seiten)
    ISBN: 9781925021677
    Language: English
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  • 4
    Unknown
    Rijeka : InTech
    Keywords: soil science ; hydrology
    Description / Table of Contents: This book is a research publication that covers original research on developments within the Hydraulic Conductivity field of study. The book is a collection of reviewed scholarly contributions written by different authors. Each scholarly contribution represents a chapter and each chapter is complete in itself but related to the major topics and objectives.
    Pages: Online-Ressource (209 Seiten)
    ISBN: 9789535112082
    Language: English
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  • 5
    Keywords: hydrology ; sustainability
    Description / Table of Contents: Human society depends on liquid freshwater resources to meet drinking, sanitation and hygiene, agriculture, and industry needs. Improved resource monitoring and better understanding of the anthropogenic threats to freshwater environments are critical to efficient management of freshwater resources and ultimately to the survival and quality of life of the global human population. This book helps address the need for improved freshwater resource monitoring and threat assessment by presenting current reviews and case studies focused on the fate and transport of contaminants in the environment and on the sustainability of groundwater and surface-water resources around the world. It is intended for students and professionals working in hydrology and water resources management.
    Pages: Online-Ressource (333 Seiten)
    ISBN: 9789535110460
    Language: English
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  • 6
    Unknown
    Rijeka : InTech
    Keywords: hydrology
    Description / Table of Contents: Hydrology is the science that deals with the processes governing the depletion and replenishment of water resources of the earth's land areas. The purpose of this book is to put together recent developments on hydrology and water resources engineering. First section covers surface water modeling and second section deals with groundwater modeling. The aim of this book is to focus attention on the management of surface water and groundwater resources. Meeting the challenges and the impact of climate change on water resources is also discussed in the book. Most chapters give insights into the interpretation of field information, development of models, the use of computational models based on analytical and numerical techniques, assessment of model performance and the use of these models for predictive purposes. It is written for the practicing professionals and students, mathematical modelers, hydrogeologists and water resources specialists.
    Pages: Online-Ressource (322 Seiten)
    ISBN: 9789535102465
    Language: English
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  • 7
    Unknown
    Rijeka : InTech
    Keywords: hydrology ; hydroecology ; hydrobiology
    Description / Table of Contents: This book attempts to cover various issues of water quality in the fields of Hydroecology and Hydrobiology and present various Water Treatment Technologies. Sustainable choices of water use that prevent water quality problems aiming at the protection of available water resources and the enhancement of the aquatic ecosystems should be our main target.
    Pages: Online-Ressource (508 Seiten)
    ISBN: 9789535105084
    Language: English
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  • 8
    Unknown
    Rijeka : InTech
    Keywords: hydrology ; soil science
    Description / Table of Contents: The subject of 'drainage: draining the water off' is as important as 'irrigation: application of water', if not more. 'Drainage' has a deep impact on food security, agricultural activity, hygiene and sanitation, municipal usage, land reclamation and usage, flood and debris flow control, hydrological disaster management, ecological and environmental balance, and water resource management. 'Drainage Systems' provides the reader with a tri-dimensional expose of drainage in terms of sustainable systems, surface drainage and subsurface drainage. Ten eminent authors and their colleagues with varied technical backgrounds and experiences from around the world have dealt with extensive range of issues concerning the drainage phenomenon. Field engineers, hydrologists, academics and graduate students will find this book equally benefitting.
    Pages: Online-Ressource (240 Seiten)
    ISBN: 9789535102434
    Language: English
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  • 9
    Unknown
    Rijeka : InTech
    Keywords: hydrology ; remote sensing
    Description / Table of Contents: This edition of Evapotranspiration - Remote Sensing and Modeling contains 23 chapters related to the modeling and simulation of evapotranspiration (ET) and remote sensing-based energy balance determination of ET. These areas are at the forefront of technologies that quantify the highly spatial ET from the Earth's surface. The topics describe mechanics of ET simulation from partially vegetated surfaces and stomatal conductance behavior of natural and agricultural ecosystems. Estimation methods that use weather based methods, soil water balance, the Complementary Relationship, the Hargreaves and other temperature-radiation based methods, and Fuzzy-Probabilistic calculations are described. A critical review describes methods used in hydrological models. Applications describe ET patterns in alpine catchments, under water shortage, for irrigated systems, under climate change, and for grasslands and pastures. Remote sensing based approaches include Landsat and MODIS satellite-based energy balance, and the common process models SEBAL, METRIC and S-SEBS. Recommended guidelines for applying operational satellite-based energy balance models and for overcoming common challenges are made.
    Pages: Online-Ressource (514 Seiten)
    ISBN: 9789533078083
    Language: English
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  • 10
    Unknown
    Rijeka : InTech
    Keywords: energy engineering ; thermal energy ; renewable energy ; power plant
    Description / Table of Contents: Thermal power plants are one of the most important process industries for engineering professionals. Over the past few decades, the power sector has been facing a number of critical issues. However, the most fundamental challenge is meeting the growing power demand in sustainable and efficient ways. Practicing power plant engineers not only look after operation and maintenance of the plant, but also look after a range of activities, including research and development, starting from power generation, to environmental assessment of power plants. The book Thermal Power Plants covers features, operational issues, advantages, and limitations of power plants, as well as benefits of renewable power generation. It also introduces thermal performance analysis, fuel combustion issues, performance monitoring and modelling, plants health monitoring, including component fault diagnosis and prognosis, functional analysis, economics of plant operation and maintenance, and environmental aspects. This book addresses several issues related to both coal fired and gas turbine power plants. The book is suitable for both undergraduate and research for higher degree students, and of course, for practicing power plant engineers.
    Pages: Online-Ressource (266 Seiten)
    ISBN: 9789533079523
    Language: English
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  • 11
    Unknown
    Rijeka : InTech
    Keywords: hydrogeology ; hydrology ; geology ; geophysics
    Description / Table of Contents: The field of groundwater hydrology and the discipline of hydrogeology have attracted a lot of attention during the past few decades. This is mainly because of the increasing need for high quality water, especially groundwater. This book, written by 15 scientists from 6 countries, clearly demonstrates the extensive range of issues that are dealt with in the field of hydrogeology. Karst hydrogeology and deposition processes, hydrogeochemistry, soil hydraulic properties as a factor affecting groundwater recharge processes, relevant conceptual models, and geophysical exploration for groundwater are all discussed in this book, giving the reader a global perspective on what hydrogeologists and co-scientists are currently working on to better manage groundwater resources. Graduate students, as well as practitioners, will find this book a useful resource and valuable guide.
    Pages: Online-Ressource (222 Seiten)
    ISBN: 9789535100485
    Language: English
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  • 12
    Keywords: hydrodynamics ; hydrology ; mechanical engineering
    Description / Table of Contents: The phenomena related to the flow of fluids are generally complex, and difficult to quantify. New approaches, considering points of view still not explored, may introduce useful tools in the study of Hydrodynamics and the related transport phenomena. The details of the flows and the properties of the fluids must be considered on a very small scale perspective. Consequently, new concepts and tools are generated to better describe the fluids and their properties. This volume presents conclusions about advanced topics of calculated and observed flows. It contains twenty chapters, organized in five sections: 1) Mathematical Models in Fluid Mechanics 2) Biological Applications and Biohydrodynamics 3) Detailed Experimental Analyses of Fluids and Flows 4) Radiation-, Electro-, Magnetohydrodynamics, and Magnetorheology 5) Special Topics on Simulations and Experimental Data. These chapters present new points of view about methods and tools used in Hydrodynamics.
    Pages: Online-Ressource (286 Seiten)
    ISBN: 9789533078939
    Language: English
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  • 13
    Unknown
    Rijeka : InTech
    Keywords: energy engineering
    Description / Table of Contents: This book focuses on the development of biodiesel systems from the production of feedstocks and their processing technologies to the comprehensive applications of both by-products and biodiesel. It should be of interest for students, researchers, scientists and technologists.
    Pages: Online-Ressource (487 Seiten)
    ISBN: 9789535109105
    Language: English
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  • 14
    Unknown
    Rijeka : InTech
    Keywords: hydroelectric energy ; renewable energy ; hydrology
    Description / Table of Contents: Hydroelectric energy is the most widely used form of renewable energy, accounting for 16 percent of global electricity consumption. This book is primarily based on theoretical and applied results obtained by the authors during a long time of practice devoted to problems in the design and operation of a significant number of hydroelectric power plants in different countries. It was preferred to edit this book with the intention that it may partly serve as a supplementary textbook for students on hydropower plants. The subjects being mentioned comprise all the main components of a hydro power plant, from the upstream end, with the basin for water intake, to the downstream end of the water flow outlet.
    Pages: Online-Ressource (332 Seiten)
    ISBN: 9789535101642
    Language: English
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  • 15
    Unknown
    Rijeka : InTech
    Keywords: hydrology ; environmental engineering
    Description / Table of Contents: This book shares knowledge gained through water management related research. It describes a broad range of approaches and technologies, of which have been developed and used by researchers for managing water resource problems. This multidisciplinary book covers water management issues under surface water management, groundwater management, water quality management, and water resource planning management subtopics. The main objective of this book is to enable a better understanding of these perspectives relating to water management practices. This book is expected to be useful to researchers, policy-makers, and non-governmental organizations working on water related projects in countries worldwide.
    Pages: Online-Ressource (274 Seiten)
    ISBN: 9789533079615
    Language: English
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  • 16
    Keywords: hydrology ; water resources ; global change ; river basins
    Description / Table of Contents: The E-Book "River Basins and Change" was launched at the 6th World Water Forum at Marseille. The book is a joint endavour of GWSP and UNESCO-IHE. This electronic book contains the major contributions to the international conference „Global Dimensions of Change in River Basins. Threats, Links and Adaptation“ organised by the Global Catchment Initiative (GCI) of GWSP in Bonn, Germany in December 2010. Addressing especially graduate students and young professionals in the field of freshwater research, the book is meant as an introduction to the issues, debates and contributions of the conference. It is structured into three sections: 1. Global Change and River Basins, 2. Accounting for Water and River Basins, 3. Governance and River Basins. The book is devised as a free publication in digital form to achieve maximum outreach and accessability.
    Pages: Online-Ressource (206 Seiten)
    Language: English
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  • 17
    Keywords: hydrology ; pollution ; climate change ; oceanography ; atmospheric sciences
    Description / Table of Contents: Irrigated agriculture is the most significant user of fresh water in the world and, due to the large area occupied, is one of the major pollution sources for the water resources. This book comprises 12 chapters that cover different issues and problematics of irrigated agriculture: from water use in different irrigated systems to pollution generated by irrigated agriculture. Moreover, the book also includes chapters that deal with new possibilities of improving irrigation techniques through the reuse of drainage water and wastewater, helping to reduce freshwater extractions. A wide range of issues is herein presented, related to the evaluation of irrigated agriculture impacts and management practices to reduce these impacts on the environment.
    Pages: Online-Ressource (246 Seiten)
    ISBN: 9789535104216
    Language: English
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  • 18
    Keywords: soil science ; hydrology
    Description / Table of Contents: There are several books on broad aspects of hydrogeology, groundwater hydrology and geohydrology, which do not discuss in detail on the intrigues of hydraulic conductivity elaborately. However, this book on Hydraulic Conductivity presents comprehensive reviews of new measurements and numerical techniques for estimating hydraulic conductivity. This is achieved by the chapters written by various experts in this field of research into a number of clustered themes covering different aspects of hydraulic conductivity. The sections in the book are: Hydraulic conductivity and its importance, Hydraulic conductivity and plant systems, Determination by mathematical and laboratory methods, Determination by field techniques and Modelling and hydraulic conductivity. Each of these sections of the book includes chapters highlighting the salient aspects and most of these chapters explain the facts with the help of some case studies. Thus this book has a good mix of chapters dealing with various and vital aspects of hydraulic conductivity from various authors of different countries.
    Pages: Online-Ressource (434 Seiten)
    ISBN: 9789533072883
    Language: English
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  • 19
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: Worldwide attention to environmental issues combined with the energy crisis force us to reduce greenhouse emissions and increase the usage of renewable energy sources as a solution to providing an efficient environment. This book addresses the current issues of sustainable growth and applications in renewable energy sources. The fifteen chapters of the book have been divided into two sections to organize the information accessible to readers. The book provides a variety of material, for instance on policies aiming at the promotion of sustainable development and implementation aspects of RES.
    Pages: Online-Ressource (338 Seiten)
    ISBN: 9789533074085
    Language: English
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  • 20
    Keywords: hydrodynamics ; hydrology ; mechanical engineering
    Description / Table of Contents: The phenomena related to the flow of fluids are generally complex, and difficult to quantify. New approaches - considering points of view still not explored - may introduce useful tools in the study of Hydrodynamics and the related transport phenomena. The details of the flows and the properties of the fluids must be considered on a very small scale perspective. Consequently, new concepts and tools are generated to better describe the fluids and their properties. This volume presents conclusions about advanced topics of calculated and observed flows. It contains eighteen chapters, organized in five sections: 1) Mathematical Models in Fluid Mechanics, 2) Biological Applications and Biohydrodynamics, 3) Detailed Experimental Analyses of Fluids and Flows, 4) Radiation-, Electro-, Magnetohydrodynamics, and Magnetorheology, 5) Special Topics on Simulations and Experimental Data. These chapters present new points of view about methods and tools used in Hydrodynamics.
    Pages: Online-Ressource (442 Seiten)
    ISBN: 9789533075969
    Language: English
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  • 21
    Keywords: hydrology
    Description / Table of Contents: This book represents an overview of the direct measurement techniques of evapotranspiration with related applications to the water use optimization in the agricultural practice and to the ecosystems study. Different measuring techniques at leaf level (porometry), plant-level (sap-flow, lysimetry) and agro-ecosystem level (Surface Renewal, Eddy Covariance, Multi layer BREB), are presented with detailed explanations and examples. For the optimization of the water use in agriculture, detailed measurements on transpiration demands of crops and different cultivars, as well as results of different irrigation schemes and techniques (i.e. subsurface drip) in semi-arid areas for open-field, greenhouse and potted grown plants are presented. Aspects on ET of crops in saline environments, effects of ET on groundwater quality in xeric environments as well as the application of ET to climatic classification are also depicted. The book provides an excellent overview for both, researchers and student,s who intend to address these issues.
    Pages: Online-Ressource (410 Seiten)
    ISBN: 9789533075129
    Language: English
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  • 22
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  • 23
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: The book "Biodiesel: Feedstocks and Processing Technologies" is intended to provide a professional look on the recent achievements and emerging trends in biodiesel production. It includes 22 chapters, organized in two sections. The first book section: "Feedstocks for Biodiesel Production" covers issues associated with the utilization of cost effective non-edible raw materials and wastes, and the development of biomass feedstock with physical and chemical properties that facilitate it processing to biodiesel. These include Brassicaceae spp., cooking oils, animal fat wastes, oleaginous fungi, and algae. The second book section: "Biodiesel Production Methods" is devoted to the advanced techniques for biodiesel synthesis: supercritical transesterification, microwaves, radio frequency and ultrasound techniques, reactive distillation, and optimized transesterification processes making use of solid catalysts and immobilized enzymes. The adequate and up-to-date information provided in this book should be of interest for research scientist, students, and technologists, involved in biodiesel production.
    Pages: Online-Ressource (458 Seiten)
    ISBN: 9789533077130
    Language: English
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  • 24
    Unknown
    Rijeka : InTech
    Keywords: energy engineering
    Description / Table of Contents: This book is devoted to different sides of Electromotive Force theory and its applications in Engineering science and Industry. The covered topics include the Quantum Theory of Thermoelectric Power (Seebeck Coefficient), Electromotive forces in solar energy and photocatalysis (photo electromotive forces), Electromotive Force in Electrochemical Modification of Mudstone, The EMF method with solid-state electrolyte in the thermodynamic investigation of ternary copper and silver chalcogenides, Electromotive Force Measurements and Thermodynamic Modelling of Electrolyte in Mixed Solvents, Application of Electromotive Force Measurement in Nuclear Systems Using Lead Alloys, Electromotive Force Measurements in High-Temperature Systems and finally, Resonance Analysis of Induced EMF on Coils.
    Pages: Online-Ressource (174 Seiten)
    ISBN: 9789533077284
    Language: English
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  • 25
    Keywords: energy engineering
    Description / Table of Contents: Nowadays, the increasing use of power electronics equipment origins important distortions. The perfect AC power systems are a pure sinusoidal wave, both voltage and current, but the ever-increasing existence of non-linear loads modify the characteristics of voltage and current from the ideal sinusoidal wave. This deviation from the ideal wave is reflected by the harmonics and, although its effects vary depending on the type of load, it affects the efficiency of an electrical system and can cause considerable damage to the systems and infrastructures. Ensuring optimal power quality after a good design and devices means productivity, efficiency, competitiveness and profitability. Nevertheless, nobody can assure the optimal power quality when there is a good design if the correct testing and working process from the obtained data is not properly assured at every instant; this entails processing the real data correctly. In this book the reader will be introduced to the harmonics analysis from the real measurement data and to the study of different industrial environments and electronic devices.
    Pages: Online-Ressource (278 Seiten)
    ISBN: 9789533073354
    Language: English
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  • 26
    Unknown
    Rijeka : InTech
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: The third book of four-volume edition of 'Solar Cells' is devoted to solar cells based on silicon wafers, i.e., the main material used in today's photovoltaics. The volume includes the chapters that present new results of research aimed to improve efficiency, to reduce consumption of materials and to lower cost of wafer-based silicon solar cells as well as new methods of research and testing of the devices. Light trapping design in c-Si and mc-Si solar cells, solar-energy conversion as a function of the geometric-concentration factor, design criteria for spacecraft solar arrays are considered in several chapters. A system for the micrometric characterization of solar cells, for identifying the electrical parameters of PV solar generators, a new model for extracting the physical parameters of solar cells, LBIC method for characterization of solar cells, non-idealities in the I-V characteristic of the PV generators are discussed in other chapters of the volume.
    Pages: Online-Ressource (364 Seiten)
    ISBN: 9789533077475
    Language: English
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  • 27
    Unknown
    Rijeka : InTech
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: The fourth book of the four-volume edition of 'Solar cells' consists chapters that are general in nature and not related specifically to the so-called photovoltaic generations, novel scientific ideas and technical solutions, which has not properly approved. General issues of the efficiency of solar cell and through hydrogen production in photoelectrochemical solar cell are discussed. Considerable attention is paid to the quantum-size effects in solar cells both in general and on specific examples of super-lattices, quantum dots, etc. New materials, such as cuprous oxide as an active material for solar cells, AlSb for use as an absorber layer in p-i-n junction solar cells, InGaAsN as a promising material for multi-junction tandem solar cells, InP in solar cells with MIS structures are discussed. Several chapters are devoted to the analysis of both status and perspective of organic photovoltaics such as polymer/fullerene solar cells, poly(p-phenylene-vinylene) derivatives, photovoltaic textiles, photovoltaic fibers, etc.
    Pages: Online-Ressource (512 Seiten)
    ISBN: 9789533077611
    Language: English
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  • 28
    Unknown
    Rijeka : InTech
    Keywords: energy engineering
    Description / Table of Contents: The civilization of present age is predominantly dependent on energy resources and their utilization. Almost every human activity in today's life needs one or other form of energy. As world's energy resources are not unlimited, it is extremely important to use energy efficiently. Both energy related technological issues and policy and planning paradigms are highly needed to effectively exploit and utilize energy resources. This book covers topics, ranging from technology to policy, relevant to efficient energy utilization. Those academic and practitioners who have background knowledge of energy issues can take benefit from this book.
    Pages: Online-Ressource (228 Seiten)
    ISBN: 9789533077420
    Language: English
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  • 29
    Keywords: energy engineering
    Description / Table of Contents: In the early 21st century, research and development of sustainable energy harvesting (EH) technologies have started. Since then, many EH technologies have evolved, advanced and even been successfully developed into hardware prototypes for sustaining the operational lifetime of low?power electronic devices like mobile gadgets, smart wireless sensor networks, etc. Energy harvesting is a technology that harvests freely available renewable energy from the ambient environment to recharge or put used energy back into the energy storage devices without the hassle of disrupting or even discontinuing the normal operation of the specific application. With the prior knowledge and experience developed over a decade ago, progress of sustainable EH technologies research is still intact and ongoing. EH technologies are starting to mature and strong synergies are formulating with dedicate application areas. To move forward, now would be a good time to setup a review and brainstorm session to evaluate the past, investigate and think through the present and understand and plan for the future sustainable energy harvesting technologies.
    Pages: Online-Ressource (256 Seiten)
    ISBN: 9789533074382
    Language: English
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  • 30
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: This book entitled "Biodiesel: Quality, Emissions and By-products" covers topics related to biodiesel quality, performance of combustion engines that use biodiesel and the emissions they generate. New routes to determinate biodiesel properties are proposed and the process how the raw material source, impurities and production practices can affect the quality of the biodiesel is analyzed. In relation to the utilization of biofuel, the performance of combustion engines fuelled by biodiesel and biodiesels blends are evaluated. The applications of glycerol, a byproduct of the biodiesel production process as a feedstock for biotechnological processes, and a key compound of the biorefinery of the future is also emphasized.
    Pages: Online-Ressource (380 Seiten)
    ISBN: 9789533077840
    Language: English
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  • 31
    Keywords: energy engineering
    Description / Table of Contents: The utilization of renewable energy sources such as wind energy, or solar energy, among others, is currently of greater interest. Nevertheless, since their availability is arbitrary and unstable this can lead to frequency variation, to grid instability and to a total or partial loss of load power supply, being not appropriate sources to be directly connected to the main utility grid. Additionally, the presence of a static converter as output interface of the generating plants introduces voltage and current harmonics into the electrical system that negatively affect system power quality. By integrating distributed power generation systems closed to the loads in the electric grid, we can eliminate the need to transfer energy over long distances through the electric grid. In this book the reader will be introduced to different power generation and distribution systems with an analysis of some types of existing disturbances and a study of different industrial applications such as battery charges.
    Pages: Online-Ressource (304 Seiten)
    ISBN: 9789533073293
    Language: English
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  • 32
    Unknown
    Rijeka : InTech
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: The second book of the four-volume edition of "Solar cells" is devoted to dye-sensitized solar cells (DSSCs), which are considered to be extremely promising because they are made of low-cost materials with simple inexpensive manufacturing procedures and can be engineered into flexible sheets. DSSCs are emerged as a truly new class of energy conversion devices, which are representatives of the third generation solar technology. Mechanism of conversion of solar energy into electricity in these devices is quite peculiar. The achieved energy conversion efficiency in DSSCs is low, however, it has improved quickly in the last years. It is believed that DSSCs are still at the start of their development stage and will take a worthy place in the large-scale production for the future.
    Pages: Online-Ressource (492 Seiten)
    ISBN: 9789533077352
    Language: English
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  • 33
    Unknown
    Rijeka : InTech
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: The first book of this four-volume edition is dedicated to one of the most promising areas of photovoltaics, which has already reached a large-scale production of the second-generation thin-film solar modules and has resulted in building the powerful solar plants in several countries around the world. Thin-film technologies using direct-gap semiconductors such as CIGS and CdTe offer the lowest manufacturing costs and are becoming more prevalent in the industry allowing to improve manufacturability of the production at significantly larger scales than for wafer or ribbon Si modules. It is only a matter of time before thin films like CIGS and CdTe will replace wafer-based silicon solar cells as the dominant photovoltaic technology. Photoelectric efficiency of thin-film solar modules is still far from the theoretical limit. The scientific and technological problems of increasing this key parameter of the solar cell are discussed in several chapters of this volume.
    Pages: Online-Ressource (456 Seiten)
    ISBN: 9789533075709
    Language: English
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  • 34
    Keywords: hydrodynamics ; hydrology ; mechanical engineering
    Description / Table of Contents: The constant evolution of the calculation capacity of the modern computers implies in a permanent effort to adjust the existing numerical codes, or to create new codes following new points of view, aiming to adequately simulate fluid flows and the related transport of physical properties. Additionally, the continuous improving of laboratory devices and equipment, which allow to record and measure fluid flows with a higher degree of details, induces to elaborate specific experiments, in order to shed light in unsolved aspects of the phenomena related to these flows. This volume presents conclusions about different aspects of calculated and observed flows, discussing the tools used in the analyses. It contains eighteen chapters, organized in four sections: 1) Smoothed Spheres, 2) Models and Codes in Fluid Dynamics, 3) Complex Hydraulic Engineering Applications, 4) Hydrodynamics and Heat/Mass Transfer. The chapters present results directed to the optimization of the methods and tools of Hydrodynamics.
    Pages: Online-Ressource (424 Seiten)
    ISBN: 9789533077123
    Language: English
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  • 35
    Unknown
    Rijeka : InTech
    Keywords: energy ; energy engineering
    Description / Table of Contents: The contributions in this book present an overview of cutting edge research on natural gas which is a vital component of world's supply of energy. Natural gas is a combustible mixture of hydrocarbon gases, primarily methane but also heavier gaseous hydrocarbons such as ethane, propane and butane. Unlike other fossil fuels, natural gas is clean burning and emits lower levels of potentially harmful by-products into the air. Therefore, it is considered as one of the cleanest, safest, and most useful of all energy sources applied in variety of residential, commercial and industrial fields. The book is organized in 25 chapters that cover various aspects of natural gas research: technology, applications, forecasting, numerical simulations, transport and risk assessment.
    Pages: Online-Ressource (616 Seiten)
    ISBN: 9789533071121
    Language: English
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