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  • Books  (500)
  • thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues  (390)
  • thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology  (70)
  • Didactic fiction., gsafd
  • energy economics
  • thema EDItEUR::N History and Archaeology
  • KIT Scientific Publishing  (458)
  • Brill  (42)
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  • Books  (500)
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  • 1
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    Millimeter-Wave Radio-over-Fiber Links based on Mode-Locked Laser Diodes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Radio communications in the range of 60 GHz enable multi-Gigabit/s network access in indoor environments. Due to the propagation characteristics of such signals only very short range radio transmission is feasible. In order to distribute these signals across large distances, analog transmission over optical fiber is considered. In this work, mode-locked laser diodes serve as optoelectronic oscillators for the generation of such signals. Their system-relevant properties are studied in detail.
    Keywords: T1-995 ; millimeter wave communications ; mode-locked lasers ; wireless personal area networks ; radio-over-fiber ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 2
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    Entwicklung einer Plattform zur individuellen Ansteuerung von Mikroventilen und Aktoren auf der Grundlage eines Phasenüberganges zum Einsatz in der Mikrofluidik (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Im Rahmen dieser Arbeit wurde eine Plattform zur individuellen Ansteuerung einer Vielzahl thermisch aktivierter Mikroventile und aktoren, auf Grundlage eines Phasenüberganges, zum Einsatz in der Mikrofluidik entwickelt. Ventile dienen dazu den Fluidstrom in komplexen mikrofluidischen Systemen, aus Einsatzgebieten wie der Biologie, Chemie oder Biotechnologie, zu manipulieren. Mit steigender Komplexität der Mikrosysteme steigt auch die Anzahl der benötigten, individuell steuerbaren Mikroventile.
    Keywords: T1-995 ; thermisch ; Mikrofluidik ; Mikroventile ; Phasenübergang ; Mikroaktoren ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 3
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    Prädiktive Lichtfunktionen für volladaptive Scheinwerfersysteme (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In this work, the realisation of an adaptive driving beam is examined that is based on the motion prediction of the ego vehicle and other traffic participants. Furthermore, light functions are developed and analysed regarding their effectiveness that project situation adaptive recommendations for action in front of the vehicle regarding a turn or lane change intention of the driver.
    Keywords: T1-995 ; Trajektorienprädiktion ; maneuver detection ; trajectory prediction ; predictive light functions ; Lichtbasierte Assistenzsysteme ; Prädiktive Lichtfunktionen ; Manöverdetektion ; light-based assistance systems ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 4
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    The Jesuit Order as a Synagogue of Jews  (2021)
    Brill | Brill
    Details
    Publication Date: 2024-04-01
    Description: In The Jesuit Order as a Synagogue of Jews the author explains how Christians with Jewish ancestry went within less than forty years from having a leading role in the foundation and development of the Society of Jesus to being prohibited from membership in it. Readership: All those interested in converso and Jesuit history, the history of Catholicism, the history of late medieval and early modern Iberia and Italy, as well as Spanish literature historians, historians of law, and theologians.
    Keywords: History ; Jewish History & Culture ; Converso ; Ignatius of Loyola ; Rome ; Society of Jesus ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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  • 5
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    Neues Konzept für die bedarfsgerechte Energieversorgung des Künstlichen Akkommodationssystems (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Das Wiederherstellen der Akkommodationsfähigkeit des Auges bei Presbyopie oder nach Kataraktoperationen stellt derzeit eine der größten Herausforderungen der Augenheilkunde dar. Das Künstliche Akkommodationssystem ermöglicht die dauerhafte Wiederherstellung der Akkommodationsfähigkeit. In der vorliegenden Arbeit wird ein neues Konzept für die bedarfsgerechte Energieversorgung des Künstlichen Akkommodationssystems erstellt.
    Keywords: T1-995 ; Akkommodationssystem bedarfsgerecht Energieversorgung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 6
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    Magnetic Resonance Imaging on Patients with Implanted Cardiac Pacemakers (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The aim of this work was to identify the patterns that can induce heating around implanted cardiac pacemakers during MRI and to develop strategies to counteract them. Two approaches were taken: computer simulations of the occurring electromagnetic field distributions and in-vitro experiments using phantoms in real MRI devices, both for conventional bore-hole and new open MRI systems. Using the open MRI, the observed heating could be reduced significantly.
    Keywords: T1-995 ; pacemaker ; MRI ; numerical field calculation ; biomedical engineering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 7
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    Realization Limits of Impulse-Radio UWB Indoor Localization Systems (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In this work, the realization limits of an impulse-based Ultra-Wideband (UWB) localization system for indoor applications have been thoroughly investigated and verified by measurements. The analysis spans from the position calculation algorithms, through hardware realization and modeling, up to the localization experiments conducted in realistic scenarios. The main focus was put on identification and characterization of limiting factors as well as developing methods to overcome them.
    Keywords: T1-995 ; localization ; UWB ; transceiver ; positioning ; ultra-wideband ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 8
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    Untersuchung der Makro- und Mikromischung in kontinuierlich durchströmten Taylor-Vortex Reaktoren mit modifizierter Rotorgeometrie (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In der vorliegenden Arbeit wurde der Einfluss der Zylindergeometrie (zylindrisch; rippenförmig) auf die Mischcharakteristik eines kontinuierlich durchströmten Taylor-Vortex Reaktors untersucht. Hierfür wurde die Makro- und Mikromischung mittels Spurstoffversuchen, Messung des Rührenergieeintrages und einer chemischen Testreaktion bestimmt.
    Keywords: TP155-156 ; Spurstoffversuche ; Mikromischung ; alkalische Verseifung Ethylacetat ; Taylor-Vortex Reaktor ; Makromischung ; spezifischer Rührenergieeintrag ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 9
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    Untersuchung der Schwingungseigenschaften von teleskopierbaren Maschinenelementen mit Spiel am Beispiel eines Gabelstapler-Hubgerüstes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Teleskopierbare, spielbehaftete Hubgerüste von Gabelstaplern werden während eines Arbeitszyklus oftmals zu Schwingungen angeregt. Die charakteristischen Schwingungseigenschaften, bedingt durch das usammenwirken von Spiel, auskragender Last und Schwerkraft, werden experimentell untersucht und durch ein 5-Massen-Modell sehr gut abgebildet.Sowohl mit aktiven als auch mit passiven Maßnahmen lassen sich die Schwingungen schnell und deutlich reduzieren.
    Keywords: T1-995 ; Maschinenelement ; Spiel ; Schwingungsverhalten ; Gabelstapler ; Flurförderer ; Hubgerüst ; Schwingungsdämpfer ; Schwingungstilger ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 10
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    Coating and drying processes for functional films in polymer solar cells - from laboratory to pilot scale (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Polymer solar cells can be produced by a continuous low cost coating and drying process. This work details a specialized experimental set-up to enable large scale roll to roll processing. Material properties such as surface energy, surface tension, and viscosity are presented and modelled. The impact of coating method, as well as process parameters (e.g. coating speed, shear rate, solvent composition) on process stability and film properties, is discussed.
    Keywords: TP155-156 ; Viscosity ; ViskositätPolymer solar cell ; Polymersolarzelle ; Organic Electronic ; Beschichtung ; Organische Elektronik ; Prozess ; Process ; Coating ; Trocknung ; Drying ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 11
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    AlGaN/GaN-HEMT power amplifiers with optimized power-added efficiency for X-band applications (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: This work has arisen out of the strong demand for a superior power-added efficiency (PAE) of AlGaN/GaN high electron mobility transistor (HEMT) high-power amplifiers (HPAs) that are part of any advanced wireless multifunctional RF-system with limited prime energy. Different concepts and approaches on device and design level for PAE improvements are analyzed, e.g. structural and layout changes of the GaN transistor and advanced circuit design techniques for PAE improvements of GaN HEMT HPAs.
    Keywords: T1-995 ; MMIC design ; power amplifier ; AlGaN/GaN HEMT ; X-band ; power-added efficiency ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 12
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    Athanasius Raczyński (1788–1874). Aristocrat, Diplomat, and Patron of the Arts (2024)
    Brill
    Details
    Publication Date: 2024-03-23
    Description: This book depicts the long rich life and wide ranging work of Count Athanasius Raczyński (1788–1874). By exploring his complex personality, his processes of thought and his accomplishments, it reveals a man at once a wealthy aristocrat, a Pole in the Prussian diplomatic service, an active participant in and perceptive observer and critical commentator on political life, a connoisseur and art collector of European renown, and the author of ground breaking studies on German and Portuguese art – in short a distinguished and fascinating nineteenth century figure.
    Keywords: 19th-century Berlin ; aristocracy ; art collecting ; art historiography ; German painting ; History of collections ; history of diplomacy ; thema EDItEUR::A The Arts::AG The Arts: treatments and subjects::AGA History of art ; thema EDItEUR::N History and Archaeology::NH History::NHD European history ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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  • 13
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    Funkkanalmodellierung für OFDM-Kommunikationssysteme bei Hochgeschwindigkeitszügen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In diesem Buch wird ein drahtloses OFDM-Kommunikationssystem für Hochgeschwindigkeitszüge analysiert, der Funkkanal modelliert und das Modell durch Messungen verifiziert. Mit Hilfe des Kanalmodells können drahtlose Zugkommunikationssysteme unter Berücksichtigung der hohen Zeitvarianz in optimaler Weise ausgelegt werden. Aus der Untersuchung verschiedener Einflüsse werden richtungsweisende Regeln für die Auslegung solcher Systeme abgeleitet und ein entsprechendes OFDM-System vorgeschlagen.
    Keywords: T1-995 ; Zeitvarianz ; OFDM-System ; Funkkanalmodellierung ; Hochgeschwindigkeitszüge ; drahtlose Kommunikation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 14
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    Ontologie-basierte Definition von Anforderungen an Validierungswerkzeuge in der Fahrzeugtechnik (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Validation and verification are central activities of product engineering. The aim of these activities is to predict and evaluate the future system behaviour of the product in development. This is achieved by conducting tests and interpreting the generated measurement data. This work introduces an ontology-based method for increasing the efficiency and effectively of innovative automotive development projects, especially in cases where an organisational knowledge base does not exist yet.
    Keywords: T1-995 ; Wissensmanagement ; Validierung ; ProduktentwicklungAutomobile technology ; knowledge management ; Fahrzeugtechnik ; validation ; product engineering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 15
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    Catalytic soot oxidation by platinum on sintered metal filters. Influence of the platinum quantity, particle size and location, and investigation of the platinum-soot contact (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The great challenge for next years concerning the emission of diesel engines is to develop diesel particle filters (DPF) with catalytic regeneration systems. This work is focused on the global understanding of the diesel soot oxidation on sintered metal filters (SMF). Platinum is studied as reference catalyst. The first objective is to determine which of platinum quantity, platinum particle size, or platinum location exhibits the preponderant influence on the catalytic.
    Keywords: TP155-156 ; platinum ; soot ; catalytic oxidation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
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  • 16
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    Combining Fischer-Tropsch Synthesis (FTS) and Hydrocarbon Reactions in one Reactor (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The present study addresses the combination of low-temperature Fischer-Tropsch synthesis (FTS) and hydrocarbon modification reactions (hydroprocessing) in one reactor. The objective of the present investigation was to study the influence of CO during hydroprocessing reactions of hydrocarbon model compounds on two different bifunctional catalysts. In addition, the influence of the catalyst-bed configuration for the combination FTS and hydrocarbon reactions was investigated.
    Keywords: TP155-156 ; Pt/Beta ; Fischer-Tropsch synthesis ; catalyst-bed configuration ; hydroprocessing ; physical mixture ; bifunctional catalysts ; dual layer ; Pt/ZSM-5 ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 17
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    Spaltverhalten von Holz beim Eindrehen von selbstbohrenden Holzschrauben (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Für Verbindungen im Holzbau werden häufig selbstbohrende Holzschrauben eingesetzt. Diese können oft mit geringen Abständen untereinander und zu den Bauteilrändern angeordnet werden. Durch die Einhaltung von Mindestabständen und Mindestholzdicken soll hierbei ein Versagen des Holzes durch Aufspalten verhindert werden. Im Rahmen dieser Arbeit wurde ein Verfahren entwickelt, mit dem sich die Anforderungen an Abständen und Holzdicken effizienter und zuverlässiger als bisher bestimmen lassen.
    Keywords: T1-995 ; Mindestabstände ; Holzschrauben ; Holzbau ; Verbindungen ; Spaltversagen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 18
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    The Effects of Internal Stress and Lithium Transport on Fracture in Storage Materials in Lithium-Ion Batteries (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Fracture of storage particles is considered to be one of the major reasons for capacity fade and increasing power loss in Li-ion batteries. In this work, we tackle the problem by merging a coupled model of mechanical stress and diffusion of Li-ions with a phase field description of an evolving crack. The novel approach allows us to study the evolution of the Li concentration together with the initiation and growth of a crack in an arbitrary geometry and without presuming a specific crack path.
    Keywords: T1-995 ; Lithium-Diffusion ; Lithium-Ionen-BatterienCrack Growth ; Storage Particles ; Risswachstum ; Phasefield ; Li-Diffusion ; Phasenfeld ; Li-Ion-Batteries ; Speicherpartikel ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 19
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    Konditionierung von biogenen Energieträgern aus den Produkten der bioliq®-Schnellpyrolyse (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Within the bioliq®-process, the organic phase of straw pyrolysis condensates can be gasified directly, while the aqueous phase can be mixed with char to form a slurry, which also can be gasified. For production and storage, several mixers and stirrers are examined. Grinding the porous and elongated char particles decelerates sedimentation and also reduces the viscosity. Thus, higher concentrated slurries can be mixed, which leads to higher stability.
    Keywords: T1-995 ; Pyrolysekondensat ; Vergasungchar ; pyrolysis condensate ; gasification ; Suspension ; Mischen ; slurry ; mix ; Koks ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 20
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    Analyse der mechanischen Randbedingungen zur Adaption der oszillierenden Hinterschneidtechnik an einen Mobilbagger (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The oscillating disc cutting process has shown excellent results in precisely removing area-limited-concrete structures. Due to the highly dynamic oscillatory motion, the stiffness requirements to the tool structure and the basic machine have to be considered, which is the main purpose of this work. Based on these results, a concept of a mechanical adaption of the oscillating disc cutting process to an excavator attachment tool will be developed and tested on a prototype.
    Keywords: T1-995 ; system analysis ; MobilbaggerDisc Cutting ; Werkzeugadaption ; Systemanalyse ; stiffness requirement ; Hinterschneidtechnik ; Steifigkeitsanforderung ; Wheeled Excavator ; tool adaption ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 21
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    Silicon-Organic Hybrid Platform for Photonic Integrated Circuits (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: We study the potential of the silicon-organic hybrid (SOH) platform for integrated optics. The unique properties of selected organic materials are added to silicon devices made with CMOS-based processes. We investigate the feasibility of this approach by making prototypes of key components in form of photonic integrated circuits: SOH lasers and SOH modulators are designed, fabricated, post-processed, and characterized. Application scenarios are identified.
    Keywords: T1-995 ; CMOS ; Modulator ; laser ; modulator ; Silizium-Photonik ; Laser ; Detektor ; CMOSsilicon photonics ; detector ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 22
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    Nichtlineare Modellierung von Ferroelektrika unter Berücksichtigung der elektrischen Leitfähigkeit (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In dieser Arbeit wird ein Simulationswerkzeug zur Untersuchung des komplexen elektromechanischen Verhaltens von Ferroelektrika entwickelt. Es wird ein neues Materialmodell vorgestellt, das die elektrische Leitfähigkeit der Ferroelektrika berücksichtigt. Anhand von anwendungsnahen Beispielen wird der Einfluss der elektrischen Leitfähigkeit untersucht.
    Keywords: T1-995 ; Ferroelektrika ; Materialmodell ; Finite-Elemente-Methode ; elektrische Leitfähigkeit ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 23
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    Biegefestigkeit von Brettschichtholz-Hybridträgern mit Randlamellen aus Buchenholz und Kernlamellen aus Nadelholz (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In der Forschungsarbeit wird die Verwendung von Nadelholz statt Buchenholz im weniger biegebeanspruchten Kernbereich von Brettschichtholz untersucht. Es wird anhand von Versuchen und mithilfe von numerischen Methoden gezeigt, dass sich mit so genannten Hybridträgern hohe Festigkeitswerte und geringere Materialkosten als bei reinen Buchenträgern miteinander vereinen lassen.
    Keywords: T1-995 ; Fichte ; Tan ; Brettschichtholz ; Keilzinkung ; Vollwandträger ; Rotbuche ; Biegefestigkeit ; Nadelholz ; Buchenholz ; Fichtenholz ; Elastizitätsmodul ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 24
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    Gleisselektive Ortung von Schienenfahrzeugen mit bordautonomer Sensorik (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In dieser Arbeit wird eine gleisselektive, bordautonome Ortungsplattform für Schienenfahrzeuge unter Verwendung diversitärer, redundanter Sensoren vorgestellt. Durch die Verwendung eines neuartigen Wirbelstrom-Sensorsystems in Kombination mit inertialer Sensorik, GPS und einer digitalen Streckenkarte werden die Anforderungen an eine sicherheitsrelevante Ortungsplattform erfüllt. Hierbei werden unterschiedliche Fusionsansätze hergeleitet und anhand realer Messdaten bewertend verglichen.
    Keywords: T1-995 ; Map-Matching ; Schienenfahrzeuge ; Ortung ; Weichenerkennung ; Kalman-Filter ; Wirbelstrom-Sensorsystem ; Integriertes Navigationssystem ; Informationsfusion ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 25
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    Numerical Modeling of Stagnation Flows over Porous Catalytic Surfaces (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In this book, stagnation flows on a catalytic porous plate is modeled one-dimensionally coupled with multi-step surface reaction mechanisms and molecular transport (diffusion and conduction) in the flow field and in the porous catalyst. Internal and external mass transfer limitations as well as possible reaction routes in the catalyst are investigated for CO oxidation, WGS reaction, partial and steam reforming of methane over Rh/Al?O?.
    Keywords: T1-995 ; Heterogeneous catalysis ; Stofftransportlimitierungen ; Reaktion-DiffusionStagnation-flow reactor ; Staupunktreaktor ; Reaction-Diffusion ; Heterogenen Katalyse ; External and internal mass transfer limitation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 26
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    High accuracy determination of skin friction differences in an air channel flow based on pressure drop measurements (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The present work delivers a versatile, accurate and reliable wind tunnel facility that is particularly developed to test different flow control techniques for drag reduction in precisely adjustable test conditions. Skin friction changes of 0.4% are resolved, which is comparable to the most accurate reported studies in liquids. this high accuracy is verified through a comprehensive uncertainty analysis. Subsequently, various passive and active flow control strategies are investigated.
    Keywords: T1-995 ; Riblets ; Kanalströmung ; pressure measurement ; riblets ; accuracy ; Messgenauigkeitchannel flow ; drag reduction ; Wandreibung ; Druckmessung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 27
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    ECG Based Analysis of the Ventricular Repolarisation in the Human Heart (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: ECG recordings provide diagnostic relevant information on the de- and repolarisation sequences of the heart. A modification of the repolarisation sequence is assumed to cause Torsades de Pointes. Especially drug induced effects on the repolarisation processes are in focus, since some non-cardiac drugs have been associated with sudden cardiac death in the 1990s. The analysis of the ventricular repolarisation using a set of parameters depicting the morphology of the T-wave is introduced in this work. Therefore, new methods of fully automatic patient-specific QRS detection, beat classification and precise T-wave delineation are presented. Using these methods, medical studies are investigated regarding the modification of the T-wave by different compounds. Also the impact of the heart rate on the morphology of the T-wave is part of this research.The reliable identification of ventricular ectopic beats allows an analysis of the influence of these beats on subsequent heart beats. It turned out that the morphology of subsequent heart beats can significantly be changed. This might give new information on the proarrythmical risk of ventricular ectopic beats.
    Keywords: T1-995 ; QT interval ; QT prolongation ; T wave ; Repolarisation ; HRT ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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    Ein Vorgehensmodell zur automatischen Kopplung von Services am Beispiel der Integration von Standardsoftwaresystemen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Heutige Architekturen von PLM-Lösungen sind überwiegend Client-Server orientiert. Mittelfristig wird sich hier eine offene, flexible-Architektur wie Service-orientierte Architekturen (SOA) durchsetzen. Dabei werden die PLM-Funktionen als Services zur Ausführung prozessrelevanter Tätigkeiten angeboten. Daraus ergibt sich ein service-basierter Ansatz für das PLM. Die Kombination von PLM und SOA kann so Unternehmen helfen, ihre bestehenden Infrastrukturen im Laufe der Zeit schrittweise aufzubauen.
    Keywords: T1-995 ; Produktdatenmanagement Integration SOA PDM PLM ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 29
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    Vermischung in Taylor-Couette Strömung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Der Taylor-Couette Reaktor zeichnet sich aus durch gleichmäßige Mischintensitäten und schonende Mischbedingungen. Die Vermischung in der Taylor-Couette Strömung wurde experimentell untersucht. Die Größenskalen der Vermischung wurden hinsichtlich der Reaktorgeometrie spezifiziert. Basierend auf experimentellen Ergebnissen wurde die Vermischung in der Taylor-Couette Strömung modelliert sowie die Zusammenhänge zwischen Prozessparametern und Mischungszuständen geklärt.
    Keywords: TP155-156 ; Makrovermischung ; Taylor-Couette Reaktor ; Mikrovermischung ; Mesovermischung ; Taylor-Couette Strömung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 30
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    Magnetisches Nanoaktorsystem (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Ziel dieser Arbeit ist die Entwicklung eines metallischen Nanoaktors, dessen mechanisches Verhalten über magnetische Felder gesteuert werden kann. Mit Hilfe der in der Mikrotechnik etablierten Technologien werden Titan-Nanobiegebalken realisiert, dessen Vorderenden mit einem magnetischen Element funktionalisiert sind. Prozessablauf und Charakterisierungsmethoden werden ausführlich beschrieben und liefern wertvolle Erkenntnisse für den Betrieb solcher Nanoaktoren in zukünftigen Nanosystemen.
    Keywords: T1-995 ; Nanoaktoren ; Magnetpartikel ; Nanostrukturierung. Nanobalken ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Planung und Steuerung von Crossdocking-Zentren (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In dieser Arbeit werden zwei Verfahren zur operativen Planung und Steuerung von Crossdocking-Zentren (CDZ) entwickelt und bewertet. Es wird erläutert, wie externe Logistikdienstleister zur Steuerung von CDZ eingesetzt werden können und es werden sowohl ein zentral-hierarchischer als auch ein dezentral-heterarchischer Planungsansatz abgeleitet. Hierdurch lassen sich die Kosten in der Tourenplanung deutlich senken und es wird ein reibungsloser Ablauf der logistischen Prozesse im CDZ ermöglicht.
    Keywords: T1-995 ; Auktionstheorie ; Vickrey-Auktion ; Logistik ; Logistikplanung ; Tourenplanung ; Logistikunternehmen ; Ressourcenal ; Gemischt-ganzzahlige Optimierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Verfahren zur Entschwefelung von flüssigen handelsüblichen Brennstoffen für die Anwendung in Brennstoffzellensystemen durch partielle Verdampfung und anschließende hydrierende Entschwefelung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Um Brennstoffzellen mit flüssigen Brennstoffen zu betreiben, müssen diese fast schwefelfrei sein. Die Arbeit stellt ein neuartiges Verfahren zur Entschwefelung vor, bei dem nur der für die Brennstoffzelle bestimmte Teil des Einsatzstroms verdampft und in der Gasphase mit rezykliertem Wasserstoff aus der Brenngaserzeugung entschwefelt wird. Schwerpunkt ist die experimentelle Untersuchung der hydrierenden Entschwefelung von teilverdampftem Kerosin und Heizöl.
    Keywords: T1-995 ; Hydrierende Entschwefelung ; Brennstoffzelle ; Kerosin ; Heizöl ; Teilverdampfung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 33
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    Zum Einfluß stochastischer Anregungen auf mechanische Systeme (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Dynamische Systeme sind durch die Angabe des Zeitverlaufs ihrer Zustandsvariablen vollständig beschreibbar. Diese Form ist jedoch für eine mathematische Bearbeitung ungeeignet. Die Datenmenge reduziert sich um ein vielfaches und eine mathematische Behandlung wird ermöglicht, wenn zur Beschreibung der dynamischen Systeme charakteristische Größen herangezogen werden.In dieser Arbeit werden mit der phänomenologischen Herangehensweise durch eine Untersuchung der Verteilungsdichten die Bifurkationen in stochastischen dynamischen Systemen beschrieben.
    Keywords: T1-995 ; Lineares dynamisches System ; Radsatz ; Fokker-Planck-Gleichung ; Stochastisches dynamisches System ; Nichtlineares dynamisches System ; Querdynamik ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 34
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    Feldtheoretische Modellierung der Materialprozessierung mit Mikrowellen im Durchlaufbetrieb (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Mikrowellen bewirken direkt im Inneren des zu prozessierenden Materials eine schnelle und energiesparende Heizung. In Kombination mit dem Durchlaufbetrieb wird eine besonders gleichmäßige Prozessierung sowie eine verbesserte Integration in den Produktionsprozeß erreicht. Es wird beschrieben, wie sich solche Applikatoren in konsistenter Weise modellieren lassen. Dies umfaßt die gekoppelte elektromagnetische und thermische Feldberechnung unter Berücksichtigung eines simultanen Materialvorschubs.
    Keywords: T1-995 ; Mikrowellenprozessierung Materialprozessierung Durchlaufbetrieb Modellierung Feldtheorie ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 35
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    Development of an Electrochemical Biosensor Platform and a Suitable Low-Impedance Surface Modification Strategy (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In this work, a flexible biosensor platform based on impedance spectroscopy and comprising of gold electrodes, polymeric flow cells and a suitable surface modification were developed. Initially, several surface modification techniques described in literature were implemented and optimized for impedimetric biosensors but their individual limitations rendered them unsuitable for this biosensor platform. A novel method based on photobleaching was developed and tested showing satisfactory results.
    Keywords: T1-995 ; Mikrofluidik ; electrochemical impedance spectroscopy ; Oberflächenmodifikation ; Biosensor ; surface modification ; photobleaching ; PhotobleichungBiosensor ; microfluidics ; Elektrochemische Impedanzspektroscopie ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 36
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    Grain-size effects in nanoscaled electrolyte and cathode thin films for solid oxide fuel cells (SOFC) (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Due to their high energy conversion efficiencies and low emissions, Solid Oxide Fuel Cells (SOFCs) show promise as a replacement for combustion-based electrical generators at all sizes. Further increase of SOFC efficiency can be achieved by microstructural optimization of the oxygen-ion conducting electrolyte and the mixed ionic-electronic conducting cathode. By application of nanoscaled thin films, the exceptionally high efficiency allows the realization of mobile SOFCs.
    Keywords: T1-995 ; grain-size effect ; nanoscaled thin film ; solid oxide fuel cell (SOFC) ; cathode ; electrolyte ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 37
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    Verbrennungskontrollierte Erwärmung des Brennraums zur Emissionsreduktion während des Kaltstarts - Untersuchungen zu Emissionen und zur Flammenausbreitung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: This work describes the influence of catalytic converter heating strategies on the emissions during heating operation, as well as during the subsequent load demand at different engine start temperatures. A novel strategy is presented, that provides heating of the combustion chamber, without decreasing the catalyst converter heating significantly. The studies were carried out on a gasoline engine. Emissions were examined in detail. In addition, the flame propagation is evaluated experimentally.
    Keywords: T1-995 ; Katalysatorheizen ; cold start ; combustion process ; Flammenausbreitung ; particulate emission ; Partikelemissionen ; Brennverfahren ; Kaltstart ; flame Development ; catalytic converter heating ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 38
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    Partial oxidation of Raffinate II and other mixtures of n-Butane and n-Butenes to maleic anhydride in a fixed-bed reactor (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The utilisation of the C4 streams of steamcrackers by converting raffinate II to maleic anhydride was studied. The oxidation reactions were investigated in a laboratory-scale fixed-bed reactor to determine reaction kinetics. The effects of pore diffusional resistance were investigated and explained. A two-dimensional pseudo-homogeneous reactor model was used for the simulation of a production-scale fixed-bed reactor. A flow scheme of the reactor section including a recycle was proposed.
    Keywords: TP155-156 ; Reaction Kinetics ; Partial Oxidation ; Raffinate II ; Reactor Simulation ; Maleic Anhydride ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
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  • 39
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    Encounters between Jesuits and Protestants in Africa (2021)
    Brill | Brill
    Details
    Publication Date: 2024-04-01
    Description: The essays in Encounters between Jesuits and Protestants in Africa offer a critical reflection on the often more competitive than cordial relationships between Jesuit and Protestant missionaries in nineteenth- and early twentieth-century Africa. This volume is the result of the second Boston College International Symposium on Jesuit Studies held at the Jesuit Historical Institute in Africa (Nairobi, Kenya) in 2016. Thanks to generous support of the Institute for Advanced Jesuit Studies at Boston College, this volume is available in Open Access. Readership: All interested in Jesuit studies, mission history, Christianity in Africa, Catholic-Protestant encounters and ecumenism in general.
    Keywords: Modern history to 20th century: c 1700 to c 1900 ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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  • 40
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    Thermische Charakterisierung von keramischen Schwammstrukturen für verfahrenstechnische Apparate (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In dieser Arbeit wurden Schwämme aus Al2O3, Mullit und oxidisch gebundenem SiC hinsichtlich ihrer Impuls- und Wärmetransporteigenschaften experimentell untersucht. Zur Auslegung chemischer Apparate nach dem heterogenen oder dem homogenen Modell wurden für folgende wärmetechnisch interessanten Parameter allgemeingültige, dimensionslose Korrelationen abgeleitet: Druckverlust, Wärmeübergangskoeffizient zwischen Fluid und Feststoffgerüst, Ruhe- sowie axiale und radiale Zweiphasen-Wärmeleitfähigkeit.
    Keywords: TP155-156 ; Wärmeübergangskoeffizient ; Druckverlust ; Keramischer Schwamm ; Offenzelliger Schaum ; Wärmeleitfähigkeit ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 41
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    Screening and description of novel hydantoinases from distinct environmental sources (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Various bacteria with hydantoinase activity were recovered from terrestrial soil samples of different geographic origins (Antarctica, South Africa, China). Based on these findings it is shown that microorganisms with hydantoinase activity are (i) distributed in various geographically distinct environmental habitats (ii) distributed worldwide (iii) found in certain bacterial genera.
    Keywords: TP155-156 ; Delftia ; Bacillus ; enzyme characterisation ; hydantoinase ; halophile ; Ochrobactrum ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 42
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    Broadsheets (2022)
    Brill | BRILL
    Details
    Publication Date: 2024-04-01
    Description: A landmark study of single-sheet publishing during the first two centuries after the invention of printing. Long disregarded as ephemera or cheap print, broadsheets emerge as both a crucial communication medium and an essential underpinning of the economics of the publishing industry.; Readership: Historians of the book, media history and news, bibliographers and librarians, and those interested in the politics, government, religion and literature of the early modern period.
    Keywords: History ; Early modern history: c 1450/1500 to c 1700 ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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  • 43
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    Superconducting Multilayer Technology for Josephson Devices : Technology, Engineering, Physics, Applications (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Within this book fabrication processes for high-quality Josephson junctions based on niobium and aluminum oxide as well as niobium nitride and aluminum nitride on various substrates are discussed. Techniques for achieving a planar chip topography and sub-µm lateral dimensions, aiding the realization of sophisticated Josephson devices such as SQUIDs, flux-flow oscillators and long Josephson junctions with artificial phase discontinuities, are presented in detail.
    Keywords: T1-995 ; Superconductor ; Quantum ; Multilayer ; Cryogenics ; Josephson ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 44
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    Dynamische Simulation der Mechanischen Flüssigkeitsabtrennung in Vollmantelzentrifugen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The aim of the present work is the mathematical modeling of solid bowl centrifuges for the dynamic simulation of separation processes in real time. The developed compartment model couples the residence time behavior with the material properties and thus allows a time and space-resolved simulation for solid bowl centrifuges. The profound insights into the separation process open up not only a better design, but also new fields of application such as the dynamic flowchart simulation.
    Keywords: TP155-156 ; Systemverhalten ; Solid Bowl Centrifuges ; System Behaviour ; Vollmantelzentrifugen ; Mathematische Modellierung ; Dynamische Simulation ; Solid-Liquid Separation ; Mathematical modelling ; Mechanische Flüssigkeitsabtrennung ; Dynamic Simulation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 45
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    Vor-Sicht im Straßenverkehr - Experimentelle Untersuchung der somatischen Antizipation von Risiko (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Based on the Somatic Marker Hypothesis, an attempt is made to measure the anticipation of risky traffic situations by means of the electrodermal activity. The results indicate that the strength of the anticipatory electrodermal activity is systematically related to situational factors of a traffic situation. In addition, a model was derived that postulates an inverted U-shaped relationship between driver’s experience and anticipatory electrodermal activity.
    Keywords: T1-995 ; somatic markers ; Risikoantizipation ; driver-vehicle-interaction ; Hautleitfähigkeit ; Modell der erfahrungsabhängigen somatischen Aktivierung ; risk anticipation ; electrodermal activity ; Somatische Marker ; Fahrer-Fahrzeug-Interaktion ; model of experience-dependent somatic activation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 46
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    Kornwachstum in Strontiumtitanat (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Anhand von Kornwachstumsexperimenten wird das Verhalten von Korngrenzen in Strontiumtitanat im Temperaturbereich zwischen 1100°C und 1600°C untersucht. Die Ergebnisse werden unter Zuhilfenahme hochauflösender und analytischer Transmissionselektronenmikroskopie diskutiert. Einflüsse von Strontium-Titan-Verhältnis, Dotierungselementen und Verunreinigungen werden untersucht. Im Kornwachstumsverhalten auftretende Unstetigkeiten werden durch die Anisotropie der Grenzflächenenergie erklärt.
    Keywords: T1-995 ; Strontiumtitanat Transmissionselektronenmikroskopie Korngrenzen Anisotropie Facettierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 47
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    Integrated Planning and Control for Collision Avoidance Systems (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Collision avoidance systems like emergency braking assist systems have demonstrated their effectiveness in increasing the safety of vehicle passengers in various studies. To further increase the effectiveness of collision avoidance systems, the exploitation of the lateral free space by evasive maneuvers is being investigated in this book. This work focuses on methods for integrated trajectory planning and vehicle dynamics control in collision avoidance scenarios by combined evasion and braking.
    Keywords: T1-995 ; Fahrdynamikregelung ; model predictive control ; Collision Avoidance System ; Modelprädiktive Regelung ; Kollisionsvermeidung ; Trajectory Planning ; Driver Assistance System ; Fahrassistenzsystem ; Trajektorienplanung ; Vehicle Dynamics Control ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 48
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    Untersuchung und Optimierung der Fahrkomfort- und Fahrdynamikeigenschaften von Radladern unter Berücksichtigung der prozessspezifischen Randbedingungen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The objective of this work is to provide an efficient solution to analyze and optimize global dynamic vehicle behavior of wheel loaders in the areas of vibration comfort, vehicle dynamics and tipping safety. To quantify the vehicle’s behavior several virtual tests and maneuvers are automatically performed by a full-vehicle simulation model of the machine. The results are then analyzed and combined to provide objective measures representing the global dynamic vehicle behavior.
    Keywords: T1-995 ; wheelloader comfort dynamics tipping optimization ; Radlader Komfort Fahrdynamik Kippsicherheit Optimierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 49
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    In-situ Visualisierung von Oberflächendeformationen aufgrund von Marangoni-Konvektion während der Filmtrocknung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In the production of modern components, e.g. displays, complex substrates with e.g. conducting paths and pre-structuring are liquid coated and dried. The surfaces of such layers have to have a very well specified quality, usual. Thus it is necessary to avoid the formation of surface structures. This work presents the elementary mechanism and describes a technique for visualization to investigate surface deformations due to Marangoni-Convection during thin film drying.
    Keywords: TP155-156 ; convection ; Filmtrocknung ; Konvektion ; Marangoni ; Oberflächendeformationthin film drying ; surface deformation ; Oberflächenspannung ; surface tension ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 50
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    Korrosionsschutzschichten für Dieselpartikelfilter aus Cordierit zur Erhöhung der thermochemischen Belastbarkeit (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Ein im normalen Betrieb geeignetes Material für Dieselrußpartikelfilter stellt Cordierit dar. Bei der Filterregeneration, die nötig ist um die im Betrieb akkumulierten Rußpartikel abzubrennen, kann es zu Reaktionen mit Aschebestandteilen kommen, wodurch der Filter geschädigt wird. Um dies zu verhindern, wird ein Schutzschichtmaterial identifiziert und ein Verfahren etabliert, womit die Porenkanäle des Filters beschichtet werden, um die durch
    Keywords: T1-995 ; Natriumzirkonphosphat ; Sol-Gel ; dünne Schichten ; Dieselrußpartikelfilter ; Cordierit ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Verfahren zur Charakterisierung des Niederfrequenzverhaltens von Lithium-Ionen Batterien (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In order to understand the current-voltage behaviour of a Lithium-Ion Battery, its impedance needs to be investigated in the low-frequency domain. This work deals with measurement, modelling and model validation in that low-frequency domain and introduces the Distribution-Function-of-Differential-Capacity (DDC) as a new tool for investigating capacity contributions of different particle sizes and particle types inside of a Lithium-Ion Battery.
    Keywords: T1-995 ; Lithium-Ion-Battery ; Lithium-Ionen-Batterie ; Distribution Function of Differential Capacity (DDC) ; Impedanz ; Batteriemodell ; Low-Frequency ; Verteilungsfunktion der differentiellen Kapazität (DDC) ; Battery-Model ; Niederfrequenz ; Impedance ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 52
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    Objektive Bewertung querdynamischer Reifeneigenschaften im Gesamtfahrzeugversuch (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Tire properties show significant impact on the driving behavior of a modern passenger car. Today tires are being optimized in their driving function and adapted to the vehicle in close cooperation by vehicle and tire manufacturers. To meet all requirements, support of the test drive engineers by a tire test system based pre-selection, with help of a virtual evaluation method, becomes necessary. Therefore the root cause between driver, vehicle and tire characteristics has been examined.
    Keywords: T1-995 ; Fahrverhalten ; Fahrzeugbewegung ; Reifen ; Subjektivbeurteilung ; Objektivierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Electrochemical Performance and Stability of Ba?.?Sr?.?Co?.?Fe?.?O??? for Oxygen Transport Membranes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Mixed ionic-electronic conducting (MIEC) ceramics as oxygen transport membranes (OTMs) can provide high oxygen permeation rates at comparably low energy demands. For this purpose, Ba?.?Sr?.?Co?.?Fe?.?O??? (BSCF) shows the best performance under ideal operating conditions. Thermal and chemical stability investigations, electrical behavior ?(T,pO?,t), and oxygen exchange parameter extraction by means of electrical conductivity relaxation resulted in a far better understanding of the BSCF system.
    Keywords: T1-995 ; electrochemical characterization ; thermische und chemische Stabilitätmixed ionic-electronic conductors ; oxygen transport membranes ; elektronische/ionische Mischleiter ; thermal and chemical stability ; Sauerstofftransportmembranen ; BSCF ; elektrochemische Charakterisierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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    Entwicklungswerkzeuge für die Fahrzeugklimatisierung von Nutzfahrzeugen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The development of measures enhancing efficiency within a vehicle is very complex due to the interaction with other vehicle systems. Consequently, developers must be equipped with appropriate tools for successful execution of a development task. This book deals with ""simulation"" and ""complete vehicle test rig"" development tools for air conditioning systems in general and the efficient implementation and adaption of these two development tools for the fields of application of trucks.
    Keywords: T1-995 ; Entwicklungswerkzeuge ; Simulation ; PrüfstandAir Conditioning System ; Development Tools ; Klimatisierung ; Truck ; Nutzfahrzeuge ; Test Bench ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Fahrzeugdetektion durch Fusion monoskopischer Videomerkmale (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Die vorliegende Arbeit beschreibt ein Verfahren zur Fahrzeugdetektion anhand monoskopischer Videomerkmale. Aus den Bildern einer im Fahrzeug angebrachten Videokamera werden charakteristische Merkmale extrahiert.Diese Beobachtungen werden fusioniert und zeitlich verfolgt. Dabei kommen Joint Probabilistic Data Association- Filter zum Einsatz. Mehrere Bewegungsmodelle werden in einem Interacting Multiple Model-Verfahren verknüpft, um eine zuverlässige Verfolgung zu gewährleisten.
    Keywords: T1-995 ; Fahrerassistenzsystem ; Datenfusion ; Objektverfolgung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Oxidation von Isobutan und Isobuten zu Methacrolein an einem neuen Mo-basierten Mischoxid-Katalysator (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In the present work kinetic experiments addressing the oxidation of isobutene and isobutene to methacrolein over a new Mo-based mixed oxide catalyst are presented. The experiments focus on the one hand on the synthesis of the mixed oxide catalyst as well as the characterization of the crystal structure and on the other hand on the identification of suitable reaction conditions for the oxidation of the hydrocarbons.
    Keywords: TP155-156 ; Isobutene ; Isobutan ; Mischoxid-Katalysator ; Methacrolein ; Mixed Oxide Catalyst ; Isobutane ; Isobuten ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 57
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    Application of the cohesive zone model to the analysis of rotors with a transverse crack (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Ein Riss im Rotor ruft eine lokale Steifigkeitsänderung hervor. Die vorliegende Arbeit ermittelt die Steifigkeitsänderung einer angerissenen Welle. Dazu wird ein Kohäsivzonenmodell eingesetzt. Das Modell wurde für die erste Rissöffnungsmode bei ebenem Verzerrungszustand in Abhängigkeit der Mehrachsigkeit des Spannungszustandes (Triaxialität) entwickelt. Außerdemwird das Kohäsivzonenmodell bei einem eindimensionalen Kontinuumsrotor als FE Modell ausgeführt.
    Keywords: T1-995 ; Cohesive zone model ; cracked rotor ; stiffness variation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 58
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    Modellbasierte und positionsgenaue Erkennung von Regentropfen in Bildfolgen zur Verbesserung von videobasierten Fahrerassistenzfunktionen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Witterungsbedingte Effekte, insbesondere Regentropfen auf der Windschutzscheibe, führen zu einer starken Beeinträchtigung gegenwärtiger videobasierter Fahrerassistenzfunktionen. In dieser Arbeit wird ein Verfahren zur Erkennung von Regentropfen auf der Windschutzscheibe vorgestellt, das auf einer physikalischen und signaltheoretischen Regentropfen-Modellierung sowie der Betrachtung des Bildentstehungsprozesses in realen optischen Systemen basiert.
    Keywords: T1-995 ; Strahlenverfolgung ; Regentropfen ; Rekursive Zustandsschätzung ; Erkennung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Konzeption und Realisierung eines neuen Systems zur produktbegleitenden virtuellen Inbetriebnahme komplexer Förderanlagen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Die virtuelle Inbetriebnahme ermöglicht die Vorwegnahme der steuerungstechnischen Inbetriebnahme von komplexen Förderanlagen an einem virtuellen Modell. In dieser Arbeit wird die Konzeption eines neuen Systems zur produktbegleitenden virtuellen Inbetriebnahme geschildert und dessen Umsetzung in Form eines neuen prototypischen Simulationssystems beschrieben. Durch die Umsetzung des entwickelten Konzeptes wurde eine durchgängige virtuelle Inbetriebnahme der betrachteten Förderanlagen erreicht.
    Keywords: T1-995 ; Fahrerloses Transportsystem ; Simulation ; Förderanlage ; Virtuelle Inbetriebnahme ; Elektrohängebahn ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 60
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    Simulations for the optimization of High Temperatur Superconductor current leads for nuclear fusion applications (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Techniques based on numerical simulations have been applied to the analysis of the heat exchanger and the High Temperature Superconductor (HTS) module of HTS current leads. In the first case correlations have been derived for the meander flow geometry. In the second case steady state and transient thermal-electric models have been validated. Both techniques are used to design and optimize HTS current leads. The correlations were applied to a predictive analysis of the ITER HTS current leads.
    Keywords: T1-995 ; current lead ; Nuclear fusion ; High Temperature Superconductor ; Computational thermal Fluid Dynamics ; Numerical simulation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 61
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    Vom Keim zum Kristall - Über die Partikelbildung bei der Fällung schwerlöslicher Feststoffe (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Feststofferzeugung mit Hilfe von Fällungsprozessen kommt in der chemischen Industrie schon seit Jahrhunderten zum Einsatz. Die grundlegenden Vorgänge während einer Fällung sind aber bis heute noch wenig verstanden. Zur gezielten Einstellung diverser Produktparameter ist für den Anwender die Kenntnis der ablaufenden physikalisch-chemischen Vorgänge bei der Partikelbildung unabdingbar. Das Ziel dieser Arbeit ist es, Hinweise zu geben, wie Partikelbildungsprozesse beeinflusst werden können.
    Keywords: TP155-156 ; Aggregation ; Fällung ; Produktgestaltung ; Keimbildung ; Kristallisation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Ein neuartiges mehrträgerbasiertes PLC-System mit störresistenter Synchronisation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Die Entwicklung und Implementierung neuer Ansätze für PLC-Systeme zur robusten Zählerfernabfrage wird ausgehend von Untersuchungen der Kanaleigenschaften diskutiert. Insbesondere robuste Synchronisationsverfahren stehen im Vordergrund der Betrachtungen. Auf der Basis von Simulationen werden Optimierungsansätze zur Verbesserung der Übertragungsqualität untersucht. Anhand der Verifikation des Systementwurfs werden Maßnahmen zur optimalen Implementierung der physikalischen Ebene hergeleitet.
    Keywords: T1-995 ; Energieversorgungsnetz ; OFDM ; Datenübertragung ; Nulldurchgangssynchronisation ; Zählerfernabfrage ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Reactive Control of Turbulent Wall-Bounded Flows for Skin Friction Drag Reduction (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The work presents an attempt to improve the understanding of reactive drag reducing control of near-wall turbulence with respect to limitations present in a realistic application scenario. The reference reactive control scheme of opposition control is studied using direct numerical simulation through the consideration of various application oriented restrictions, i.e. local control application, limited spatial and temporal resolution of the scheme, sensor noise and control elements arrangement.
    Keywords: T1-995 ; turbulence control ; direct numerical simulation ; turbulent boundary layers ; Direkte Numerische Simulation ; Reibungsminderung ; drag reduction ; Turbulente Grenzschichten ; Turbulenzkontrolle ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 64
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    Hardwaregestützte Energieoptimierung von Elektrik/Elektronik-Architekturen durch adaptive Abschaltung von verteilten, eingebetteten Systemen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Mit der steigenden Bedeutung des Kraftstoffverbrauchs von Fahrzeugen geriet in den letzten Jahren auch die elektrische Leistungsaufnahme eines Fahrzeugs in den Blickpunkt. Diese ist durch den Zuwachs von Umfang und Komplexität von automobilen Elektrik/Elektronik-Systemen über die letzten Fahrzeuggenerationen hinweg stark angestiegen. Die vorliegende Arbeit befasst sich daher mit Ansätzen zur Energieoptimierung automobiler Elektrik/Elektronik-Architekturen aus Sicht eines Fahrzeugherstellers.
    Keywords: T1-995 ; FlexRay ; Hardwaregestützte Energieoptimierung ; Automobile Elektrik/Elektronik-Architekturen ; Energieeffizienz ; eingebettete Systeme ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Integratives Anforderungsmanagement : Konzept und Anforderungsmodell am Beispiel der Fahrzeugentwicklung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Wünschenswert für eine zielgerichtete Produktentwicklung ist ein Anforderungsmanagement als maßgeblicher Treiber über den gesamten Entwicklungszeitraum.Die vorliegende Arbeit liefert hierzu einen neuen, ganzheitlichen Ansatz, bei dem biologische Entwicklungsprozesse die Ausgangspunkte für ein Anforderungsmodell bilden. Im Fokus steht die Entstehung des Produkts über dessen Eigenschaften und Merkmale sowie deren Beziehungen untereinander. Beispielhaft wird dies an der Fahrzeugentwicklung gezeigt.
    Keywords: T1-995 ; Fahrzeugentwicklung ; Produktorganismus ; Produktentwicklung ; Anforderungsmanagement ; Produktanforderung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Messung und Berechnung des Resonanzverhaltens gekoppelter Helmholtz-Resonatoren in technischen Verbrennungssystemen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Für eine quantitative Vorhersage des Stabilitätsverhaltens eines technischen Verbrennungssystems in Hinblick auf das Auftreten selbsterregter Druck-/Flammenschwingungen, ist es u. a von entscheidender Bedeutung das Übertragungsverhalten der Brennkammer einschließlich vor- und nachgeschalteter Bauteile zu kennen (Helmholtz-Resonatoren). In dieser Arbeit wurde ein Modell zur Vorhersage des Resonanzverhaltens realer, gedämpfter Verbrennungssysteme auf gekoppelte Systeme erweitert.
    Keywords: TP155-156 ; Brennkammer ; Gasturbine ; Verbrennungsinstabilität ; Helmholtz-Resonator ; Thermoakustik ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Entwicklung und Optimierung von gradierten Wolfram/EUROFER97-Verbindungen für Divertorkomponenten (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Ein Problem beim Fügen von Wolfram mit Stahl sind thermisch induzierte Spannungen. Der hier gewählte Ansatz zur Reduzierung dieser Spannungen ist der Einsatz einer funktional gradierten Zwischenschicht. Vier verschiedene Herstellungsverfahren wurden erprobt mit dem Ziel gradierten Wolfram/Stahl-Zwischenschichten zu realisieren. Nach erfolgreicher Produktion und Charakterisierung wurden die gradierten Schichten mit Stahl- bzw. Wolframvollmaterial mittels Diffusionsschweißen gefügt.
    Keywords: T1-995 ; Vakuum-Plasmaspritzen ; Stahl ; Diffusionsschweißen ; Wolfram ; Gradierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Eine modulare Funktionsarchitektur zur Umsetzung einer gesamtheitlichen Betriebsstrategie für Elektrofahrzeuge (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Due to the low energy content of the high-voltage traction battery, the range of battery electric vehiclesis currently restricted. Compared to conventional vehicles, the range is significantly lower. Thus, using a battery electric vehicle everyday might result in a complex conflict of objectives between range, dynamic and comfort requirements.For this purpose, this study develops a holistic system approach, in order to implement and apply range-extending functionalities.
    Keywords: T1-995 ; Operation Strategy ; Optimierung ; Elektrofahrzeug ; Optimisation ; FunktionsarchitekturElectric Vehicle ; Gesamtfahrzeug ; Betriebsstrategie ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 69
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    Produktion und Charakterisierung biogener anorganischer, nanoskaliger und nanostrukturierter Partikel (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die industrielle Herstellung anorganischer nanoskaliger und nanostrukturierter Partikel erfolgt vorwiegend durch den Einsatz physikalischer und chemischer Verfahren. Im Rahmen dieser Arbeit wird gezeigt, dass durch Verwendung sog. Biomineralisationsprozesse eine relativ große Anzahl qualitativ hochwertiger Partikel zu wirtschaftlich interessanten Konditionen herstellbar ist. Im Vgl. zu Partikeln aus physikalischchemischen Verfahren besitzen biogene Partikel weitere interessante Eigenschaften.
    Keywords: TP155-156 ; Biomineralisation ; Halbleiter ; Nanotechnologie ; Bioverfahrenstechnik ; Partikel ; Biomimetik ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Reformation, Revolution, Renovation (2022)
    Brill | BRILL
    Details
    Publication Date: 2024-04-01
    Description: An account of the Rosicrucian manifestos, and in particular their call for a general reformation, in relation to medieval and early modern traditions and reform programs.; Readership: All interested in early modern intellectual history, specifically in reform programs in religion, politics, and knowledge; and anyone with an interest in Reformation studies, the history of science, and Rosicrucianism. Keywords: Universal Reformation, utopia, manifestos, manifestoes, Johann Valentin Andreae, mission statements, reform programs, heterodoxy, seventeenth century, Middle Ages, esotericism, alchemy, medicine, Paracelsus, Paracelsianism, German history, astrology.
    Keywords: Humanities ; Early modern history: c 1450/1500 to c 1700 ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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    Analytische und numerische Untersuchungen der Dynamik von Vormischflammen sowie deren Interaktion mit Ringwirbelstrukturen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Verwendung des Konzeptes der Vormischverbrennung in technischen Verbrennungsanlagen fördert die Ausbildung von selbsterregten Instabilitäten.Der Schwerpunkt der Arbeit liegt in der Berechnung des dynamischen Verhaltens bzw. des Frequenzgangs von pulsierten turbulenten vorgemischten Axialstrahlflammen. Dieses steht unter dem Einfluss der Bildung von kohärenten Ringwirbelstrukturen an der Brennermündung. Es werden sowohl instationäre Flammen als auch Ringwirbelströmungen numerisch untersucht.
    Keywords: TP155-156 ; Ringwirbel ; Modellierung ; Turbulente Strömung ; Vormischflamme ; Selbsterregte Schwingung ; Reagierende Strömung ; Pulsation ; Turbulente Verbrennung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Early Modern Privacy (2022)
    Brill | BRILL
    Details
    Publication Date: 2024-04-01
    Description: An examination of instances, experiences, and spaces of early modern privacy. It opens new avenues to understanding the structures and dynamics that shape early modern societies through examination of a wide array of sources, discourses, practices, and spatial programmes.; Readership: Because of its comprehensive disciplinary scope, this volume is of interest to scholars and students of early modern culture in all its facets. Keywords: early modern, intimacy, legal history, religious history, history of art, history of architecture, secrecy, theology, ego-documents, history of science, literary studies, China, Europe, private life, privacy, Jewish history, theory.
    Keywords: Humanities ; Early modern history: c 1450/1500 to c 1700 ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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    Influence of fully miscible lubrication oil on flow boiling of CO? inside horizontal evaporator tubes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Flow boiling heat transfer, pressure drop and flow pattern of CO?-POE oil mixtures were experimentally investigated in smooth and micro-fin tubes. The POE oil used features full miscibility in the range of operation investigated. The experimental data was evaluated based on mixture properties, used to evaluate and improve established predictive methods. The knowledge obtained contributes to understanding the influence of oil, which is essential for achieving an efficient evaporator design.
    Keywords: TP155-156 ; Strömungssieden CO? Kältemaschinenöl ; flow boiling CO? lubricant ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
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  • 74
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    Effiziente Schätzung dichter Bewegungsvektorfelder unter Berücksichtigung der Epipolargeometrie zwischen unterschiedlichen Ansichten einer Szene (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In this book an efficient algorithm for estimating dense motion vector fields between different views of a scene is presented. The approach combines geometric constraints between two views of a static scene with a model to describe the apparent motion in the image plane. The estimation is performed using a maximum-a-posteriori-method yielding reliable results, which is demonstrated using challenging real world image sequences.
    Keywords: T1-995 ; Optischer Fluss ; Visuelle Odometrie ; Bewegungsvektorfeld ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Vacuum gas carburizing - fate of hydrocarbons (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: This work focuses on gaseous reactive flows in ideal and non-ideal reactors. The objective of this research is the development of models for the numerical simulation of homogeneous reactive flows under vacuum carburizing conditions of steel with propane and acetylene. These models can be used for further investigations of heterogeneous reactions during vacuum carburizing of steel to predict the carbon flux on the complex shaped steel parts to understand and, eventually, optimize the behavior of the whole reactor.arburizing is the case-hardening process in which carbon is added to the surface of low-carbon steels at temperatures generally between 850 and 1050 °C. In the conventional gas carburizing at atmospheric pressure, the carbon potential is controlled by adjusting the flow rate of the carburizing gas. Carbon potential of the furnace atmosphere can be related to partial pressure of CO2 or O2 or vapour pressure of water by equilibrium relationships and a sensor can be used to measure it. This method of carbon-potential control cannot be used for vacuum gas carburizing due to the absence of thermodynamic equilibrium which is one of the main difficulties of the vacuum carburizing process. The formation of soot during carburization isalso undesirable and the process parameters should be selected such that the formation of soot is minimized. The amount of carbon available for carburizing the steel depends on the partial pressure of the carburizing gas, carbon content in the carburizing gas and the pyrolysis reactions of the carburizing gas. The pyrolysis reactions of the carburizing gas are also affected by the contacting pattern or how the gas flows through and contacts with the steel parts being carburized. This work focuses on gaseous reactive flows in ideal and non-ideal reactors. The objective of this research is the development of models for the numerical simulation of homogeneous reactive flows under vacuum carburizing conditions of steel with ropane and acetylene. These models can be used for further investigations of heterogeneous reactions during vacuum carburizing of steel to predict the carbon flux on the complex shaped steel parts to understand and, eventually, optimize the behavior of the whole reactor. Two different approaches have been used to model the pyrolysis of propane and acetylene under vacuum carburizing conditions of steel. One approach is based on formal or global kinetic mechanisms together with the computational fluid dynamics (CFD) tool. The other approach is based on detailed chemistry with simplified or ideal flow models. Two global mechanisms developed at the Engler-Bunte-Institut for pyrolysis of propane and acetylene respectively were used in this work. One detailed mechanism developed at the Institute of Chemical Technology by the research group of Professor Deutschmann was used for modeling the pyrolysis of both the propane and acetylene. Experimental data from investigations on vacuum carburizing conducted at the Engler-Bunte-Institut were used to validate the modeling results.
    Keywords: TP155-156 ; carburizing ; gaseous reactive flows ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
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    Modellierung und Simulation semi-transparenter organischer Solarzellen (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-09
    Description: In this work the electrical and optical properties of semi-transparent organic solar cells are investigated. For this purpose an optoelectronic simulation model is developed and simulated results and experimental data are compared to each other. Besides the efficiency of the solar cells this work puts a special emphasis on the color properties of the light, which is transmitted through the semi-transmitted solar cells.
    Keywords: T1-995 ; Numerische Simulation ; Semi-transparent solar cells ; Numerical simulation ; Color rendering index ; Organische Solarzellen ; Semi-transparente Solarzellen ; Farbwiedergabe IndexOrganic solar cells ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Intervallbeobachter für lineare parametervariante Systeme und deren Anwendung auf die Asynchronmaschine (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The topic of this publication is the design of two new set-based methods for the determination of the states of linear parameter-varying systems. These sets are computed by interval observers based on unknown but bounded inputs, outputs and parameters. The effectiveness of the methods is demonstrated by the state estimation of an induction motor that is achieved by combining the interval observers with a novel model of a voltage source inverter.
    Keywords: T1-995 ; Intervallbeobachter ; Zustandsschätzung ; Asynchronmaschine ; induction motor ; voltage source inverter ; interval observer ; state estimation ; linear parameter-varying systems ; Lineare parametervariante Systeme ; Wechselrichter ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Changing Subjects, Moving Objects (2024)
    Brill | Schöningh
    Details
    Publication Date: 2024-04-01
    Description: This is a book about people caught between home and abroad, crossing imperial boundaries in southeastern Europe at the beginning of the modern age. Through a series of life stories, which the author reconstructs with the aid of many new sources, readers discover how certain men and women defined and adapted their loyalties and affiliations, how they fashioned their identities, how they enrolled their linguistic, political, economic, and social resources to build a family and a career. Travelling between Istanbul, Vienna, Trieste, Moscow, Bucharest, or Iaşi, individuals of different backgrounds built their networks across borders, linking people and objects and facilitating cultural transfer and material and social change.
    Keywords: Habsburg Monarchy ; identity ; Loyalty ; Microhistory ; Moldavia ; Network ; Ottoman Empire ; Patronage ; Self-Fashioning ; Wallachia ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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  • 79
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    Partielle Oxidation von o-Xylol zu Phthalsäureanhydrid : Keramische Schwämme als alternative Trägerstrukturen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Gegenstand der vorliegenden Arbeit war die Abschätzung des Potentials keramischer Schwämme als Katalysatorträger. Die dafür notwendigen Untersuchungen wurden mittels der partiellen Oxidation von o-Xylol zu Phthalsäureanhydrid durchgeführt. Im Rahmen der Arbeit wurden zum einen Festbettreaktoren mit Kugeln und Schwammpackungen rein theoretisch auf Grundlage einer Modellrechnung verglichen und zum anderen wurden eine Reihe experimenteller Untersuchungen in einer Laboranlage durchgeführt.
    Keywords: TP155-156 ; Modellierung ; Flammensprühpyrolyse ; Schwämme ; Phthalsäureanhydrid ; Vanadiumpentoxid ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 80
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    Zum Stofftransport schwer flüchtiger Additive in Polymerbeschichtungen - Untersuchungen mit Hilfe der konvokalen Mikro-Raman-Spektroskopie (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Schwerpunkt dieses Buchs ist es, den Einfluss von schwer flüchtigen Additiven auf die Mobilität von Lösemitteln zu quantifizieren sowie die Mobilität der Additive in Polymersystemen zu bestimmen. Ausgangspunkt hierfür war die Hypothese, dass sich Fick'sche Diffusionskoeffizienten einzelner Spezies in Polymersystemen durch Anpassung von Simulationsrechnungen an gemessene Beladungsprofile zu verschiedenen Zeitpunkten eines Konzentrationsausgleichsprozesses bestimmen lassen.
    Keywords: TP155-156 ; IMRS ; schwerflüchtige Additive ; Diffusion ; Trocknung ; Polymerbeschichtungen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 81
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    Money and Coinage in the Middle Ages (2021)
    Brill
    Details
    Publication Date: 2024-04-01
    Description: This volume is the first in a new series entitled Reading Medieval Sources, examining different genres of sources in the Middle Ages, and this book focuses on ways of studying medieval money, and the most direct manifestation of money: coinage. It is intended to introduce readers to a range of approaches to a subject that has, traditionally, been seen as somewhat specialised domain of highly technical study which often seems to sit at some remove from the mainstream of historical and archaeological research. One important aim of the chapters offered is to show ways in which money can be incorporated into analysis of the Middle Ages more broadly, both for particular periods and in specific thematic contexts such as art, literature and economic analysis.
    Keywords: History ; History ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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    Chapter 3 Visible Prowess?: Reading Men’s Head and Face Wounds in Early Medieval Europe to 1000 CE (2021)
    Brill
    Details
    Publication Date: 2024-03-23
    Description: The spectacle of the wounded body figured prominently in the Middle Ages, from images of Christ’s wounds on the cross, to the ripped and torn bodies of tortured saints who miraculously heal through divine intervention, to graphic accounts of battlefield and tournament wounds—evidence of which survives in the archaeological record—and literary episodes of fatal (or not so fatal) wounds. This volume offers a comprehensive look at the complexity of wounding and wound repair in medieval literature and culture, bringing together essays from a wide range of sources and disciplines including arms and armaments, military history, medical history, literature, art history, hagiography, and archaeology across medieval and early modern Europe. Contributors are Stephen Atkinson, Debby Banham, Albrecht Classen, Joshua Easterling, Charlene M. Eska, Carmel Ferragud, M.R. Geldof, Elina Gertsman, Barbara A. Goodman, Máire Johnson, Rachel E. Kellett, Ilana Krug, Virginia Langum, Michael Livingston, Iain A. MacInnes, Timothy May, Vibeke Olson, Salvador Ryan, William Sayers, Patricia Skinner, Alicia Spencer-Hall, Wendy J. Turner, Christine Voth, and Robert C. Woosnam-Savage.
    Keywords: medieval culture ; middle ages ; wound repair ; wounded body ; wounding ; medieval literature ; medieval culture ; middle ages ; wound repair ; wounded body ; wounding ; medieval literature ; Early Middle Ages ; Hanover ; London ; Monumenta Germaniae Historica ; Skull ; thema EDItEUR::A The Arts::AG The Arts: treatments and subjects::AGA History of art ; thema EDItEUR::6 Style qualifiers::6M Styles (M)::6MB Medieval style ; thema EDItEUR::D Biography, Literature and Literary studies ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3K CE period up to c 1500 ; thema EDItEUR::N History and Archaeology::NH History::NHW Military history ; thema EDItEUR::M Medicine and Nursing::MB Medicine: general issues::MBX History of medicine
    Language: English
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  • 83
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    Reaktionskinetische Untersuchungen zur Umwandlung stickstoffhaltiger Gaskomponenten unter Bedingungen der Abfallverbrennung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die vorliegende Arbeit stellt einen detaillierten Reaktionsmechanismus zur Verfügung, der die Stickstoffoxidbildung aus brennstoffgebundenem Stickstoff in der Gasphase unter Bedingungen der Abfallverbrennung beschreiben kann. Der Mechanismus wurde mit Hilfe eigener Messungen an einem Kolbenströmungsreaktor sowie Daten aus der Literatur erarbeitet. Mit einem solchen detaillierten Modell können gezielt Einflussparameter auf die NOx-Bildung untersucht werden.
    Keywords: TP155-156 ; Reaktionskinetik ; Stickstoffoxid ; Abfallverbrennung ; Reaktionsmechanismus ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 84
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    Der Decal-Prozess zur Herstellung katalysatorbeschichteter Membranen für PEM-Brennstoffzellen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: This work is a comprehensive analysis of the decal process for production of catalyst coated membranes. Both the process window for the transfer of electrodes from decal foil onto membrane and the effects of the parameters of ink and transfer process on structure and function including process reproducibility shall be investigated. A major component of all those aspects is the selection, implementation and assessment of appropriate characterization methods.
    Keywords: T1-995 ; Elektrode ; Brennstoffzelle ; Charakterisierung ; Decal-Prozess ; Catalyst Coated Membrane ; Nafion kontinuierliche Herstellung ; Fuel Cell Electrode Nafion continuous production characterization ; Haftung ; Struktureigenschaften ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 85
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    Baltic Iron in the Atlantic World in the Eighteenth Century (2022)
    Brill | BRILL
    Details
    Publication Date: 2024-04-01
    Description: This book looks at the one of the key commercial links between the Baltic and Atlantic worlds in the eighteenth century - the export of Swedish and Russian iron to Britain - and its role in the making of the modern world.; Readership: All those interested in Atlantic history, the history of the Baltic, the history of technology, the history of economic thought, and material culture in the eighteenth century.
    Keywords: History ; Modern history to 20th century: c 1700 to c 1900 ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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  • 86
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    Effizienzsteigerung in organischen Leuchtdioden (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Diese Arbeit befasst sich mit verschiedenen nano- und mikrotechnologischen Konzepten zur Steigerung der Auskoppeleffizienz von OLEDs.Hierfür werden drei bottom-up-Ansätze, bei denen Nanopartikel während der OLED-Herstellung in die OLED eingebracht werden, beschrieben und zwei top-down-Ansätze vorgestellt, bei denen vor der eigentlichen OLED-Herstellung die Substratoberfläche durch Nano- und Mikrostrukturierung modifiziert wird.
    Keywords: T1-995 ; Effizienzsteigerung ; Nanostruktur ; Auskopplung ; OLED ; Streuung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Personalized Multi-Scale Modeling of the Atria: Heterogeneities, Fiber Architecture, Hemodialysis and Ablation Therapy (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: This book targets three fields of computational multi-scale cardiac modeling. First, advanced models of the cellular atrial electrophysiology and fiber orientation are introduced. Second, novel methods to create patient-specific models of the atria are described. Third, applications of personalized models in basic research and clinical practice are presented. The results mark an important step towards the patient-specific model-based atrial fibrillation diagnosis, understanding and treatment.
    Keywords: T1-995 ; atrial fibrillation ; radio-frequency ablation ; hemodialysis therapy ; atrial anatomy ; cardiac modeling ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 88
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    Konzeption von Verfahren zur kamerabasierten Analyse und Optimierung von Drehrohrofenprozessen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The aim of this work was the development of new image processing methods for the analysis and optimization of rotary kiln processes. It is shown how the newly developed methods can be employed to analyze certain areas and effects of rotary kiln processes. Thereby gained new process information can be used in the process control to optimize rotary kiln processes in terms of economic and environmental objectives.
    Keywords: T1-995 ; image processing ; Drehrohrofen ; Bildverarbeitung ; computer vision ; process analysis ; Maschinelles Sehen ; process optimization ; Prozessoptimierungrotary kiln ; Prozessanalyse ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 89
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    In-situ H2O removal via hydorphilic membranes during Fischer-Tropsch and other fuel-related synthesis reactions (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The general objective of this thesis was to explore the potential of in-situ H2O removal during fuel-related synthesis reactions with focus on in-situ H2O removal by hydrophilic membranes and by chemical reaction. It is demonstrated that in-situ H2O removal through vapour permeation during CO2 hydrogenation to Fischer-Tropsch hydrocarbons and during DME/DEE synthesis leads to increased conversion and yield levels, which are directly linked to the degree of H2O recovery.
    Keywords: TP155-156 ; Fischer-Tropsch synthesis ; H2O removal ; membrane reactor ; water gas shift reaction ; CO2 hydrogenation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 90
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    Eigenspannungsanalyse an Schichtverbunden mittels inkrementeller Bohrlochmethode (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The incremental hole drilling method is used and further developed to determine residual stress states in thick film systems. The application limits regarding the applicability on film systems and the influence of the system's built up is examined by finite element simulations. A new evaluation method for the hole drilling method is proposed. Using this method residual stress states in thick film systems can be determined reliably in the coating, at the interface and also in the substrate.
    Keywords: T1-995 ; residual stress ; inkrementelle Bohrlochmethode ; coating systems ; Eigenspannungen ; Schichtverbundehole drilling method ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 91
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    Charakterisierung und Modellierung der wässrigen Lithium-Luft Batterie (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: To estimate the reachable specific energy and power of aqueous Li-air batteries, a physical based model was developed, which for the first time includes the microstructure of Li-air cells. Parameters like solid/liquid interface resistances were quantified with help of a newly developed setup. Simulations based on the developed model revealed that even conservative estimations promise an increase in the specific energy by at least a factor of two compared to present Li-ion batteries.
    Keywords: T1-995 ; wässrige Lithium-Luft Batterie ; impedance spectroscopy ; equivalent circuit modelling ; Grenzflächen-Untersuchungen ; aqueous lithium-air battery ; Ersatzschaltbildmodellierung ; Impedanzspektroskopie ; interface investigations ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 92
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    Near Infrared Laser Sensor System for In-Line Detection of Conversion in UV-Cured Polymer Coatings (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The work describes a method for the determination of the conversion by radical photopolymerization of acrylic coatings that is suitable for an in situ monitoring during the coating process.The applied method is based on the 1620 nm overtone absorption of the acrylate end group. The capability of the sensor to discriminate between polymerized and unpolymerized coatings on metal substrates down to a coating thickness of less than 16µm is demonstrated and and proved by reference measurements.
    Keywords: T1-995 ; acrylate ; photopolymerization ; in-line monioring ; UV-coatings ; 1620 nm overtone absorption ; conversion monitoring ; IR-spectroscopy ; coating thickness ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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    The Quest for an Appropriate Past in Literature, Art and Architecture (2021)
    Brill | Brill
    Details
    Publication Date: 2024-04-01
    Description: This volume explores the various strategies of construing appropriate pasts in scholarship, literature, art, architecture and literature, in order to create “national”, regional or local identities, in late medieval and early modern Europe. Readership: All those interested in the reception of Antiquity and high medieval history (true and false) in early modern in literature, architecture and art, neolatin scholarship, Renaissance architecture, history of ideas, history of literature, and history of humanist scholarship.
    Keywords: Early modern history: c 1450/1500 to c 1700 ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day
    Language: English
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  • 94
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    Omnidirectional Stereo Vision for Autonomous Vehicles (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Environment perception with cameras is an important requirement for many applications for autonomous vehicles and robots. This work presents a stereoscopic omnidirectional camera system for autonomous vehicles which resolves the problem of a limited field of view and provides a 360° panoramic view of the environment. We present a new projection model for these cameras and show that the camera setup overcomes major drawbacks of traditional perspective cameras in many applications.
    Keywords: T1-995 ; Bildverarbeitung ; Autonomous Vehicles ; Rundumsicht ; Kamera-Kalibrierung ; Computer Vision ; Autonomes Fahren ; Robotik ; Camera-Calibration ; Omni-Vision ; Robotics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 95
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    Optimization of Hot-Electron Bolometers for THz Radiation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Hot-electron bolometers are fast and low noise radiation detectors which can be used for many different applications. The aim of this work was to optimize the fabrication process of hot-electron bolometers and gain a deeper understanding of the underlying processes. To achieve this, the fabrication of the superconducting thin films was optimized and the superconducting properties of the films were analyzed. Detectors fabricated using the results showed a record value for the noise temperature.
    Keywords: T1-995 ; noise temperature ; superconductivity ; THz detector ; optimization ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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    Grundlegende Untersuchungen zur biotechnologischen Kultivierung von Schwämmen : Massenbilanzierung bei Aplysina aerophoba (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Grundlegende Untersuchungen zur biotechnologischen Kultivierung von Schwämmen am Modellorganismus A. aerophoba mit dem Ziel Aussagen über die quantitativen Anforderungen von Schwämmen unter ex situ Bedingungen zu beurteilen. Durch Bestimmung der quantitativen Randbedingungen sollten Vorschläge zur Auslegung einer Anlage zur Produktion von Schwammbiomasse unter artifiziellen Bedingungen abgeleitet werden. Marine Schwämme sind als Quelle zahlreicher neuer Naturstoffe in den Fokus gerückt.
    Keywords: TP155-156 ; Filtrationsraten ; Naturstoffe ; Aplysina aerophoba ; marine Schwämme ; Respirationsraten ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 97
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    Entropie- und Störungssensitivität als neues Kriterium zum Vergleich verschiedener Entscheidungskalküle (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Automatische Entscheidungs- und Entscheidungsunterstützungssysteme finden heute in vielen Bereichen der Technik und Wirtschaft ein breites Anwendungsfeld.Verschiedene Entscheidungskalküle, wie zum Beispiel die klassische oder die Fuzzy-Entscheidungstheorie, die subjektiven Wahrscheinlichkeiten oder die Evidenztheorie stehen in Konkurrenz. Ihre Unterschiede liegen in ihrer Reaktion auf eine Störung der Eingangsdaten.In dieser Arbeit wird dies genauer untersucht und dadurch ein Beitrag geleistet, in konkreten Situationen das beste Kalkül auswählen zu können.
    Keywords: T1-995 ; Entscheidungsunterstützungssystem ; Entscheidungskriterium ; Entscheidungsmodell ; Entscheidungstheorie ; Künstliche Intelligenz ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 98
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    Einspritzmengenkorrektur in Common-Rail-Systemen mit Hilfe magnetoelastischer Drucksensoren (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Bei Common-Rail-Motoren entstehen im Einspritzsystem Druckschwingungen, die die Kraftstoffmenge bei Mehrfacheinspritzungen verfälschen, was die entstehenden Emissionen nachhaltig verschlechtert.In dieser Arbeit wird ein neues Verfahren zur Korrektur der Einspritzmengen vorgestellt.
    Keywords: T1-995 ; Dieselmotor ; Motorische Entwicklung ; Drucksensor ; Druckwelle ; Magnetoelastischer Effekt ; Common-Rail-Einspritzanlage ; Emissionsverringerung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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    Reports on industrial information technology. Vol. 12 (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The 12th volume of Reports on Industrial Information Technology presents some selected results of research achieved at the Institute of Industrial Information Technology during the last two years.These results have contributed to many cooperative projects with partners from academia and industry and cover current research interests including signal and image processing, pattern recognition, distributed systems, powerline communications, automotive applications, and robotics.
    Keywords: T1-995 ; Powerline Communications ; Image Processing ; Robotics and autonomous systems ; Automotive ; Signal Processing ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 100
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    Entwicklung eines mikrofluidischen Zweikammer-Chipsystems mit integrierter Sensorik für die Anwendung in der Tumorforschung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: We have developed a microfluidic two-layered channel system based on polycarbonate to investigate the transmigration of cancer cells under flow conditions and defined shear rate using live cell microscopy. The two layers are separated by a porous membrane with an endothelial monolayer on top of the membrane to mimic the blood vessel wall. To extend the measuring capabilities of our microfluidic chip, gold electrodes were structured on the membrane using optical lithography and chemical etching.
    Keywords: T1-995 ; membrane ; Krebszellen ; SensorikCancer cell ; Metastasierung ; Mikrofluidik ; Blutgefäß ; sensors ; Membran ; Blood vessel ; Impedanz ; microfluidic ; Impedance ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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