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  • Books  (505)
  • thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues  (388)
  • thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology  (101)
  • energy economics
  • thema EDItEUR::C Language and Linguistics::CF Linguistics
  • KIT Scientific Publishing  (489)
  • Indiana University Press  (16)
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  • Books  (505)
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  • 1
    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
    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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    KIT Scientific Publishing
    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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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Sandstone is the most common kind of natural stone used for historic buildings in Central Europe. During the past century a dramatic increase in different types of damage to historic buildings, monuments and sculptures made from natural stone has been observed. The present work deals with theoretical aspects of strength loss, fracture processes and degradation during the decay processes.
    Keywords: TA1-2040 ; Ermüdung ; weathering model ; Lebensdauer ; finite element methods ; durability ; Verwitterungsmodell ; FEMsandstone ; Sandstein ; fatigue behaviour ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 5
    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
    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
    Publication Date: 2024-04-11
    Description: Several experimental campaigns are conducted to find feasible fiber reinforcements for buildings under earthquake conditions. Therefore tensile tests for the description of the bonding behavior of the fibers, shear tests on three-stone small specimen, small static cyclic shear wall tests, bending tests of wall segments, large format dynamically loaded wall plates and five building experiments were performed under realistic time history acceleration. At the end a calculation method is proposed.
    Keywords: TA1-2040 ; masonry ; Erdbeben ; Verstärkungen ; fiber reinforced concrete ; Bemessung ; Faserverbundwerkstoffe ; earthquake ; Mauerwerk ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 8
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    KIT Scientific Publishing
    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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  • 9
    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
    Publication Date: 2024-04-11
    Description: Experiments to characterize the effects of moisture content and temperature on the mechanical properties of concrete were conducted. Based on these experiments, a new overall material model capable of predicting the mechanical behaviour of concrete subject to elevated temperatures up to 100 °C was developed. The material model estimates the time, temperature and moisture dependency of the compressive and tensile strength, creep and shrinkage of concrete.
    Keywords: TA1-2040 ; concrete ; Temperatur ; Beton ; Schwinden ; Temperature ; strength ; Kriechen ; creep ; Festigkeit ; shrinkage ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
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  • 11
    Publication Date: 2024-04-11
    Description: The subject of this PhD-thesis is the transferability of Facility Management (FM) by using the example of hospitals in Germany and Iran. The intention is to determine the status and significance of facility management in the project countries, to analyse similarities, semblances and differences in order to develop a system transferability model.
    Keywords: TA1-2040 ; health system ; facility management ; system transferability ; hospital ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
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  • 12
    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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  • 13
    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
    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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    KIT Scientific Publishing
    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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  • 16
    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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  • 17
    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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  • 18
    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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  • 19
    Publication Date: 2024-04-11
    Description: Viele Talauen sind sowohl für die Gewinnung von Trinkwasser aus Grundwasser, als auch für die Schaffung von Hochwasserrückhalteräumen geeignet. Im vorliegenden Leitfaden werden die Prozesse des Stofftransports von der fließenden Welle über den Retentionsraum bis zu den Entnahmebrunnen eines Wasserwerks vorgestellt. Es wird deren Einfluss auf ein höheres Risiko der Verunreinigung der Grundwasserressource durch den Eintrag von Schadstoffen aus den Retentionsräumen diskutiert.
    Keywords: TA1-2040 ; Grundwasser ; Hochwasserretentionsraum ; Trinkwassergewinnung ; Schadstofftransport ; Verunreinigungsrisiko ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 20
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    KIT Scientific Publishing
    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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  • 21
    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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  • 22
    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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  • 23
    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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  • 24
    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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  • 25
    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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  • 26
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    KIT Scientific Publishing
    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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  • 27
    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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  • 28
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    KIT Scientific Publishing
    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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  • 29
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    KIT Scientific Publishing
    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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  • 30
    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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  • 31
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    KIT Scientific Publishing
    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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  • 32
    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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  • 33
    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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  • 34
    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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  • 35
    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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  • 36
    Publication Date: 2024-04-11
    Description: Die Errichtung von Hochwasserretentionsräumen entlang von Flüssen ist eine verbreitete Maßnahme zur Verbesserung des Hochwasserschutzes. Durch die zusätzlichen Überflutungsflächen können vermehrt Schadstoffe aus der Hochwasserwelle in das Grundwasser eingetragen werden. Dies kann zu einer Gefährdung der Trinkwasserressource in den Flussauen führen. In der vorliegenden Arbeit wird eine Methode zur Risikoberechnung für eine Grundwassergefährdung in einem Hochwasserretentionsraum vorgestellt.
    Keywords: TA1-2040 ; Grundwasser ; Hochwasserretentionsraum ; Boden ; Schadstofftransport ; Risikoberechnung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 37
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Eine zügige, ökologisch-ökonomisch ausgewogene und innovative Umsetzung der erforderlichen Infrastruktur wird mit der bestehenden Herangehensweise in Deutschland bisher nicht erreicht. Mit der vorliegenden Arbeit wurde am Beispiel des Tunnelbaus mit dem ""Projektbegleitenden
    Keywords: TA1-2040 ; Umweltverträglichkeit ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 38
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Im Rahmen der mikroskopischen Verkehrsnachfragemodellierung wird ein Modell vorgestellt, das den für den Planungsraum relevanten Verkehr der in den Außenzellen wohnenden Personen abbildet. Voraussetzung dafür ist die Übertragbarkeit von individuellen Mobilitätsdaten, die auf Basis der Daten des Deutschen Mobilitätspanels (MOP) analysiert wird. Darüber hinaus wird eine Methode zur Abgrenzung von Untersuchungsgebieten für beliebige Planungsräume in Deutschland dargelegt.
    Keywords: TA1-2040 ; Mikroskopisch ; Untersuchungsgebiet ; Verkehrsnachfragemodellierung ; Mobilitätsdaten ; Außenverkehr ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 39
    Publication Date: 2024-04-11
    Description: Dieses zweisprachige Wörterbuch zur Wasserwirtschaft ist das Standardwerk bei Kontakten unter Wissenschaftlern und Technikern aus Deutschland und deutschsprachigen Ländern mit Kollegen aus Russland und den russischsprachigen US-Staaten. Es ist als aktuelles und handliches Hilfsmittel vor allem für die Praxis gedacht. Das Wörterbuch enthält ca. 40.000 Begriffe aus den Bereichen Energie- und Wasserwirtschaft, Wasserbau sowie anderer angrenzender Industrie- und Wissenschaftsbereiche.
    Keywords: TA1-2040 ; Wasserwirtschaft ; Umweltschutz ; Wasserbau ; Energiewasserwirtschaft ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 40
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    Indiana University Press
    Publication Date: 2024-03-24
    Description: For many years teachers of English felt that linguistics had little to do with their day-to-day classroom activities. More recently, during a period of change which affected the teaching of many subjects, the attitude toward linguistics underwent a sudden and sharp reversal. Linguistic methods of English teaching became a common topic of formal and informal discussion. Today there is a real danger that the profession may be expecting too much from linguistics. In this volume Mr. Marckwardt presents a cool, realistic analysis of the possible applications of linguistics to English teaching at all levels of instruction. He deals first with the direct application of linguistics to the teaching of grammar and to thorny questions of usage. Next, he considers the areas where the use of linguistics is partial or indirect: composition, spelling, reading, and literature. Finally, because he believes that all teaching must be conducted in terms of a broad educational philosophy, the author includes a discussion of the place of language study in the curriculum.
    Keywords: Linguistics ; thema EDItEUR::C Language and Linguistics::CF Linguistics
    Language: English
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  • 41
    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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  • 42
    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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  • 43
    Publication Date: 2024-04-11
    Description: In this work, the measurement system ResoCable®, consisting of hardware and software, was developed with the implementation and evaluation of the frequency measurements of external tendons and cables. Numerous measurements at external tendons and cables were conducted. Among them, the behavior of strands and deflection points was investigated with FE calculations.
    Keywords: TA1-2040 ; frequency analysis ; ZfP ; ResoCable ; stay cable ; Schrägseil ; Spannglied ; Frequenzanalyse ; Tendon ; NdT ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 44
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    Indiana University Press
    Publication Date: 2024-03-24
    Description: Phonological Markedness and Distinctive Features establishes a new set of parameters for use in phonological studies of language . Arthur Brakel finds the exciting well-known approaches to phonological description overly elaborate but at the same time inadequate for enumerating and analyzing the many sounds linguists know occur. In their place, he proposes a new set of nineteen articulatory primes based on a priori semiotic principles that establish a distinctive value or markedness of a particular sound quality or articulatory gesture . He bolsters his new theory by testing the primes with examples from the phonemes of twenty-three largely unrelated languages.
    Keywords: Linguistics ; thema EDItEUR::C Language and Linguistics::CF Linguistics
    Language: English
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  • 45
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    KIT Scientific Publishing
    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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  • 46
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    KIT Scientific Publishing
    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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  • 47
    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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  • 48
    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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  • 49
    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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  • 50
    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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  • 51
    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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  • 52
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    Indiana University Press
    Publication Date: 2024-03-24
    Description: This volume of essays constitutes an up-to-date survey of pidgin and creole linguistics intended for general linguists and readers interested in current theory in such diverse areas as linguistic universals, language acquisition, bilingualism, and language planning. It will acquaint persons relatively unfamiliar with the field with established theories and data, enabling them to follow current debates and to undertake research in the field. Thus it may serve as a basic textbook in courses in sociolinguistics, bilingualism, and language contact, as well as in ethno- or anthropological linguistics, whose focus is language variation and its social and cultural implications. The volume includes a global survey of the distribution of pidgin and creole languages, accompanied by a world distribution map and detailed maps of the Caribbean and other areas. Contributors to this work are Albert Valdman, David DeCamp, Pieter Muysken, Guus Meijer, Derek Bickerton, Elizabeth Closs Traugott, Charles A. Ferguson, Charles E. DeBose, Gabriel Manessy, John R. Rickford, Robert Le Page, Robert Chaudenson, Ian F. Hancock, Keith Whinnom, Dennis R. Craig, and Stephen A. Wurm.
    Keywords: Linguistics ; thema EDItEUR::C Language and Linguistics::CF Linguistics
    Language: English
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  • 53
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    KIT Scientific Publishing
    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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  • 54
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    KIT Scientific Publishing
    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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  • 55
    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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  • 56
    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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  • 57
    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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  • 58
    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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  • 59
    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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  • 60
    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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  • 61
    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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  • 62
    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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  • 63
    Publication Date: 2024-04-11
    Description: Das Deutsch-Russische Wörterbuch für Wasserwirtschaft ist ein unentbehrliches Hilfsmittel für den Aufbau von Kontakten und Kooperationen zwischen den Fachleuten und Wissenschaftlern aus russischsprachigen GUS-Staaten und deutschsprachigen Ländern. Das Wörterbuch enthält rund 40.000 Stichwörter und nahezu die gleiche Anzahl Bedeutungen aus den Bereichen Energie- und Wasserwirtschaft, Wasserbau,
    Keywords: TA1-2040 ; Energiewirtschaft ; Wasserwirtschaft ; Wasserbau ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 64
    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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  • 65
    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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  • 66
    Publication Date: 2024-04-11
    Description: Die vorliegende Festschrift ""Baustoffe und Betonbau - Lehren, Forschen, Prüfen, Anwenden"" ist Herrn Prof. Dr.-Ing. Harald S. Müller zum 60. Geburtstag gewidmet. Sie würdigt die Tätigkeit von Herrn Prof. Müller als Hochschullehrer und Forscher, seinen unermüdlichen Einsatz für die Materialprüfung und Normung von Baustoffen sowie sein umfangreiches und langjähriges Engagement in vielen für die Betonbauweise relevanten Gremien und Vereinigungen.
    Keywords: TA1-2040 ; Beton ; Bauwesen ; Baustoffe ; Zement ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 67
    Publication Date: 2024-04-11
    Description: The Netherlands have a long-termstanding experience concerning regarding the reuse of churches. The work delivers an in-depth analysis of current re-use practises and strategies that is following a mixed methods approach. Based on an initial policy analysis, 35 re-used churches were investigated by mapping their spatial and structural characteristics, complemented by governance and planning process related attributes. The work provides conditions, enablers and barriers for the German situation.
    Keywords: TA1-2040 ; Umnutzung ; Kirchengebäude ; Netherlands ; Niederlande ; Strategie ; Strategy ; Church buildings ; Re-Use ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 68
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    Indiana University Press
    Publication Date: 2024-03-24
    Description: A state-of-the-art survey of a wide spectrum of sub-disciplines within linguistics by some of the most prominent contributors to linguistic theory of our day. The areas covered include phonology, syntax, semantics, discourse theory, sociolinguistics, and historical linguistics. Taken together, the eight essays in this volume do more than exemplify a number of the most interesting approaches being taken in linguistics today: they point the directions in which the discipline and its most exciting sub-fields are likely to move in the coming decade. The essays and their authors are: "Conditions on Rules of Grammar" by Noam Chomsky; "The Sociology of Language: Yesterday, Today, and Tomorrow" by Joshua A. Fishman; "Topics in Lexical Semantics" by Charles J. Fillmore; "Semantic Domains and Componential Analysis of Meaning" by Eugene A. Nida, Johannes P. Louw, and Ronda! B. Smith; "Intentions, Assumptions, and Contradictions in Historical Linguistics" by Henry Hoenigswald; "Metonymy and Misunderstanding: An Aspect of Language Change" by Rulon S. Wells; "The Recall and Verbalizatfon of Past Experience" by Wallace L. Chafe; and "New Directions in Phonological Theory: Language Acquisition and Universals Research" by Charles A. Ferguson.
    Keywords: Linguistics ; thema EDItEUR::C Language and Linguistics::CF Linguistics
    Language: English
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  • 69
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    Indiana University Press
    Publication Date: 2024-03-24
    Description: This pathbreaking work lays a new foundation for linguistics: It focuses on people rather than on language and is governed by science rather than grammar or philosophy. A linguistics built on this foundation avoids many intellectual problems, it can confront the full observational details of how people communicate, and provides greater relevance to studies in psychology, sociology, culture, and literature. The goal is nothing less than to provide the basis for a new scientific linguistics. The thesis that grammar and science are incompatible is developed in a carefully reasoned argument that explores the ancient foundations of grammar and considers the widely accepted goals of modern scientific linguistics. Out of this comes the insight that linguistics must choose between being a discipline of pure grammar that studies language as an abstract relation between sound and meaning and rejects science or a scientific discipline that studies people and how they communicate as part of the physical world. Professor Yngve lays out a new and formal notational apparatus capable of confronting in detail all the evidence of how people communicate . His approach provides formal methods suitable for studying previously difficult pragmatic, contextual, and variational phenomena. And it promises to provide greater relevance to adjacent disciplines, such as physiology, psychology, anthropology, sociology, semiotics, cultural and literary studies.
    Keywords: Linguistics ; thema EDItEUR::C Language and Linguistics::CF Linguistics
    Language: English
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  • 70
    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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  • 71
    Publication Date: 2024-04-11
    Description: Mit dem Falling Weight Deflectometer können Tragfähigkeitsmuster als Merkmal für die strukturellen Gegebenheiten einer Straßenkonstruktion erfasst werden. Zur Bewertung dieser Tragfähigkeitsmuster (Deflexionsmulden) wurde durch Generierung theoretischer Deflexionsmulden eine bereits vorhandene Datenbank erweitert und dieser Datenbestand klassifiziert. Durch den Einsatz von Künstlichen Neuronalen Netzen wurde außerdem eine pragmatische Anwendung des klassifizierten Datenbestandes dargestellt.
    Keywords: TA1-2040 ; Substanzbewertung ; Zustandserfassung ; Erhaltung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 72
    Publication Date: 2024-04-11
    Description: In dieser Arbeit wird ein tiefengemitteltes Large-Eddy-Simulationsverfahren für Flachwasserströmungen entwickelt. Dazu liefern umfangreiche dreidimensionale LES-Rechnungen Informationen über die in den tiefengemittelten Gleichungen zu modellierenden Terme.Als Anwendungen werden unter anderem die ausgebildete Gerinneströmung, die Zylinderumströmung, eine Mischungsschicht sowie die Strömung in einem Buhnenfeld betrachtet.
    Keywords: TA1-2040 ; LES ; Flachwasser ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 73
    facet.materialart.
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    KIT Scientific Publishing
    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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  • 74
    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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  • 75
    Publication Date: 2024-04-11
    Description: An efficient highway capacity design is becoming an increasingly important topic, thanks to recurring congestions and unreliable travel times in the German highway network. This work provides a new methodology for the analysis of oversaturated freeway facilities. A Cell Transmission Model was used as an underlying traffic flow model for modeling oversaturated freeway facilities and tailor-fitted to represent the HBS manual faithfully.
    Keywords: TA1-2040 ; freeway ; Bundesautobahn ; HCM ; traffic flow model ; Verkehrsqualität ; HBS ; level of service ; Cell Transmission Model ; Verkehrsflussmodell ; Zellenmodell ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 76
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    Unknown
    Indiana University Press
    Publication Date: 2024-03-24
    Description: By showing the reader the intricacies of face-to-face sociolinguistic interaction, William Beeman provides a key to understanding Iranian social and political life. He recorded and studied mundane conversations; greetings; discussions of crops, marriages, and village happenings; gossip; social talk at weddings, dinners, and religious ceremonies; and talk among people at work. Various patterns of social interaction, such as pronoun usage, significant pauses, and gestures, are analyzed here in terms of their contributions to the overall meaning of the conversation. While focusing on Iran, Beeman's study in cross-cultural linguistics will clearly be a model for the study of different languages and cultures.
    Keywords: Linguistics ; thema EDItEUR::C Language and Linguistics::CF Linguistics
    Language: English
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  • 77
    Publication Date: 2024-04-11
    Description: The characteristic feature of phyllosilicates like muscovite (KAl2[Si3AlO10(OH)2] is their layered structure. Due to the resulting anisotropic optical and electrical properties this mineral is an important raw material in paint industries and polymer composites.Crucial for many of these properties is on one hand a high aspect ratio of the stacks, which will be enhanced by delamination of the mineral. On the other hand the exchange of the interlayer cations like potassium changes the chemical properties of the muscovite, its refraction behaviour and surface properties. But these interlayer cations are difficult to access and are not exchangeable under normal conditions.Thus a process for the intercalation of cations like Cu2+, Mg2+ or Zn2+ from super saturated nitrate solutions in autoclaves was developed to reveal a chemically modified mica phase.The extensive modification of the muscovite structure, due to the intercalation is monitored by X-ray diffractometry and several spectroscopic methods. The XRD results strongly suggest the formation of an intercalated irregular mixed-layer phase. This is proven by far infrared spectroscopy which show the simultaneous occurrence of both K+ and Cu2+ in the interlayer region, strongly increasing the interlayer space.1Investigations in the mid infrared region using diffuse reflectance spectroscopy (DRIFT) suggest a further migration of the intercalated cations deep into the ditrigonal holes of the tetrahedral sheet and their fixation within these holes close to the OH groups.
    Keywords: TA1-2040 ; Spektroskopie ; Interkalation ; Phyllosilicate ; Delamination ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
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  • 78
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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: not yet available
    Description: Die sozialkonstruktivistischen Essays über Technikrituale und Technikakzeptanz bieten an ausgewählten Beispielen und Quellen der 1920er bis 1960er Jahre einen Blick auf einige, zum Teil bislang wenig beachtete Quellenformen aus der Nähe, getragen von dem erkenntnisleitenden Interesse an ihrer identitätsstiftenden, also soziokulturellen Bedeutung, ihrem sozialen Leben in unserem Leben. Dabei geht es um eine Umsetzung der Ansätze der social construction of technology (SCOT).
    Keywords: history of technology ; technikgeschichte ; sozialkonstruktivismus ; constructivism ; Deutsche Reichsbahn (1920–1945) ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDR Impact of science and technology on society ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 79
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Simultaneous 2D pressure and 2D velocity information at the rough water-sediment interface of streambeds were gained by a newly developed measurement setup. In the bed the pressure fluctuations decay exponentially within the first 1-2 equivalent sand roughnesses. Structural findings concerning coherent flow structures are consistent with models originally developed for smooth walls. A significant bed destabilizing flow-pressure pattern was identified for the first time.
    Keywords: TA1-2040 ; open channel flow ; pressure sensors ; coherent structures ; gravel bed ; PIV ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 80
    Publication Date: 2024-04-11
    Description: Hydraulic structures are exposed to multifaceted exposures. Particular the hydro-abrasive wear of the concrete edge zones represents a key exposure. The knowledge about the abrasive mechanisms of concrete and its degradation process is still insufficient. Relating to the hydro-abrasive test method, the relevant material parameter and degradation model incomplete knowledge existed which was removed.
    Keywords: TA1-2040 ; Beton ; Lebensdauer ; Test method ; Hydroabrasionsverschleiß ; Concrete ; SchädigungsmodellHydro-abrasion ; Prüftechnik ; Life-time ; Deterioration model ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 81
    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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  • 82
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: In den Jahren 1993 bis 2005 wurde in Dresden die Frauenkirche wieder aufgebaut. Am Ende der Bauzeit wurden in einer Vortragsreihe in Dresden und Karlsruhe die dabei gewonnenen Einsichten und Erfahrungen wiedergegeben und zur Diskussion gestellt. Die Referenten der Vortragsreihe waren alle unmittelbar und direkt am Wiederaufbau der Frauenkirche beteiligt.Das Buch befasst sich mit Fachfragen, die fachlich korrekt und gleichzeitig verständlich für den baufachlichen Laien wiedergeben werden.
    Keywords: TA1-2040 ; Dokumentation ; Dresden / Frauenkirche ; Wiederaufbau ; Vortragsreihe ; Kirchenbau ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 83
    Publication Date: 2024-04-11
    Description: Derzeit existiert keine Alternative mit DNAPL kontaminierte Böden hydraulisch sicher und mit hoher Effizienz zu reinigen. Die untersuchte neue in-situ Sanierungstechnologie jedoch verspricht dies: Die Kombination des Verfahrens der Alkohol-Spülung mit der Sanierungstechnik des Grundwasser-Zirkulations-Brunnen (GZB).
    Keywords: TA1-2040 ; Grundwasser ; Chlorkohlenwasserstoffe ; Grundwassersanierung ; Brunnen ; Zirkulation ; Alkohol ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 84
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    KIT Scientific Publishing
    Publication Date: 2024-03-30
    Description: not yet available
    Description: 'Vertrauen' spielt in fast allen Bereichen menschlichen Lebens eine wichtige Rolle. Von 'Vertrauen' wird gesprochen in Bezug auf Personen, Unternehmen, Institutionen, Technik usw. Es gibt das Urvertrauen, die vertrauensvolle Zusammenarbeit im Betrieb, die Vertrauensfrage im Parlament, den Vertrauensschaden im Recht. Der Band "Vertrauen - zwischen sozialem Kitt und der Senkung von Transaktionskosten" soll die Bandbreite der Thematik aufzeigen und der Frage nach dem 'Vertrauen' in ausgewählten Wissenschaften nachgehen.
    Keywords: history of technology ; ethics of business ; technikgeschichte ; umweltgeschichte ; wirtschaftsethik ; Ethik ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJG Business ethics and social responsibility ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 85
    Publication Date: 2024-04-11
    Description: Cross laminated timber (CLT) is a plate-like multi layer element with crosswise arrangement of lamellas. CLT could be used for long-span beams in particular with tensile stresses perpendicular to the beam axis. Within this work, CLT beams were optimised, resulting in diagonal orientated timber (DLT). Both CLT and DLT beams were tested in edgewise bending. Their load-carrying behaviour was studied using experimental results and finite element analysis.
    Keywords: TA1-2040 ; Cross laminated timber ; Diagonal laminated timber ; CLT ; DLT ; Diagonal oriented timber ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
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  • 86
    Publication Date: 2024-04-11
    Description: Gegenstand dieses Buches ist die Untersuchung des Fließverhaltens von Zementsuspensionen. Hierbei wird insbesondere auf die dem Fließverhalten zugrundeliegenden Mechanismen der Partikelwechselwirkung eingegangen. Auf dieser Grundlage wird ein Materialmodell vorgestellt, dass es gestattet, das rheologische Verhalten von Zementleimen unter Kenntnis ausgewählter Zementparameter vorherzusagen.
    Keywords: TA1-2040 ; Beton ; Bauwesen ; Suspension ; Rheologie ; Zement ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 87
    Publication Date: 2024-04-11
    Description: Ein bestehendes Rechenmodell zur Abschätzung der Rissbildung im Holz beim Eindrehen einer selbstbohrenden Holzschraube wurde so erweitert, dass das Spaltverhalten für unterschiedliche Schraubenbilder ermittelt werden kann. Die resultierenden Rissflächen können für mehrere, faserparallel hintereinander angeordnete Schrauben in Abhängigkeit unterschiedlicher Abstände und Holzdicken berechnet werden. Des Weiteren wurde das Modell auf Anschlüsse mit mehreren Schraubenreihen übertragen.
    Keywords: TA1-2040 ; Rechenmodell ; Holzschrauben ; Holzbau ; Verbindungen ; Spaltversagen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 88
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    KIT Scientific Publishing
    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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  • 89
    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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  • 90
    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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  • 91
    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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  • 92
    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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  • 93
    Publication Date: 2024-04-11
    Description: Im Bauwesen wurde Mitte der 90er Jahre begonnen, singuläre Gestaltungsprinzipien und Methoden der Lean Production zu adaptieren sowie neue bauspezifische Methoden zu entwickeln (Lean Construction). In der vorliegenden Arbeit werden die bisweilen einzeln betrachteten Methodenbausteine zu einem Ganzheitlichen Produktionssystem Modell für Bauproduktions-Unternehmen zusammengeführt und vervollständigt. Dieses Bau-PSM ist ein Ordnungsrahmen für die Transformation in ein ""leanes"" Bauunternehmen.
    Keywords: TA1-2040 ; Lean Management ; Produktionssysteme ; Lean Construction ; Baubetrieb ; Bauorganisation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 94
    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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  • 95
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    KIT Scientific Publishing
    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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  • 96
    facet.materialart.
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    KIT Scientific Publishing
    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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  • 97
    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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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: not yet available
    Description: Nostalgie wurde bisher als allgemeine kulturelle Erscheinung, aber kaum in ihrer Relation zur technologischen Entwicklung betrachtet. Der Band enthält neben Beiträgen zur Relevanz von alten Technologien Analysen zu drei technischen Feldern: Mobilität (Auto und Bahn), Architektur und Städtebau (reale und virtuelle Retro-Räume, Historismen in Konstruktion und Design sowie postapokalyptische nostalgiegeladene Utopien) und technische Medien (Photographie, Film und Videospiele).
    Keywords: history of technology ; cultural studies ; techniknostalgie ; technikgeschichte ; kulturwissenschaft ; Architektur ; Retrowelle ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDR Impact of science and technology on society ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 99
    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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  • 100
    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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