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  • KIT Scientific Publishing  (2,057)
  • American Chemical Society  (1,750)
  • American Physical Society (APS)
  • International Union of Crystallography (IUCr)
  • Periodicals Archive Online (PAO)
  • 2020-2024  (3,809)
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  • 101
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    KIT Scientific Publishing
    Publication Date: 2024-03-30
    Description: In den „Fallstudien zur Ethik in Wissenschaft, Wirtschaft, Technik und Gesellschaft“ werden zunächst in einleitenden Übersichtsbeiträgen „Fallanalysen im Ethikunterricht“ und die „Diffusion der Verantwortung“ behandelt. Einzelne Fallstudien befassen sich dann u. a. mit „Kernforschung und Atombombe“, „Verantwortungsfrage[n]in den Naturwissenschaften“ und der sog. Dual-use-Problematik, d. h. der sowohl zivilen als auch militärischen Nutzung von Forschungen. Hieran schließen sich an die Beispiele „Europäische Währungsunion“, „Konsumenten als verantwortliche Marktakteure“, kollektive und korporative Verantwortung und „Kindersklaven in der Kakaobranche“. Des Weiteren werden untersucht: „Technik und ihre Auswirkungen auf globale und lokale Arbeitsstrukturen“, „Verantwortungskonflikte in der Ingenieurarbeit“, verschiedene Arten von Katastrophen, der „(Nicht-)Umgang mit Technikfolgen in Russland“, „Nanotechnologie“ und „Autonome Systeme“. Mit den Möglichkeiten der Klimabeeinflussung befassen sich weitere Beiträge. Neu eingeführte Techniken sind Thema von „Körperscanner“ und „Serviceroboter in medizinischen Anwendungen“. Ethische und rechtliche Fragen im Arbeitsleben - insbesondere beim Whistleblowing - schließenden Band ab. Die vorliegenden Fallstudien behandeln zwar unterschiedliche Bereiche und Themen und zeigen doch eine Gemeinsamkeit: In allen Beispielen sind ethische Fragestellungen sinnvoll und möglich.
    Keywords: Fallstudie ; Ethik ; Wissenschaft ; Wirtschaft ; Technik ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJG Business ethics and social responsibility
    Language: German
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  • 102
    Publication Date: 2024-04-11
    Description: Bridge cranes are widely used as discontinuous material handling systems in industrial environments. The so-called crane bridge plays a central role in the overall construction. With increasing span widths and load capacities, the dimensions of the crane bridge also increase. The core of this work is the design and optimization of a new type of bridge crane system, which consists of individual segments and is eccentrically pretensioned by a tensile member.
    Keywords: Maschinenbau; Kranbau; Nichtlineare Optimierung; Mechanik; Mechanical Engineering; Crane construction; Nonlinear Optimization; Engineering mechanics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 103
    Publication Date: 2024-04-04
    Description: The risk estimation of precipitation events with high recurrence periods is difficult due to the limited time scale with meteorological observations. A homogenous distribution of rain gauges, especially in mountainous terrain, is also hardly convertible. In this study an analytical model with a high spatial resolution, designed for stochastic simulations of flood-related precipitation, is developed, evaluated and applied to different investigation areas in Germany.
    Keywords: QC1-999 ; Niederschlag ; precipitation ; Stochastik ; Meteorologie ; Simulation ; flood risk ; meteorology ; simulation ; stochastic ; Hochwasser ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 104
    Publication Date: 2024-04-04
    Description: Die Erkundung von Möglichkeiten der Leistungsfähigkeitssteigerung des Eisenbahnsystems an Hoch- und Oberrhein, in Abstimmung mit einer nachhaltigen Raumentwicklung, waren Ausgangslage für ein grenzüberschreitendes Kooperationsprojekt, dessen Ergebnisse im Herbst 2004 von den politischen Vertretern der beteiligten Raumschaften präsentiert wurden. Hintergründe aus Sicht der einzelnen Raumschaften und Fachdiszipline werden in vorliegender Publikation dargestellt.
    Keywords: QC1-999 ; Hochrhein ; Raumentwicklung ; Eisenbahn ; Oberrhein ; Bypass 〈Technik〉 ; Verkehrsentwicklung ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 105
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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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  • 106
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-09
    Description: Reservoir quality in fluvial siliciclastic rocks is variable. Permeability is influenced by micron-scale grain coatings or bedding style on the m-/km-scale. Outcrops allow the analysis of depositional environments and diagenesis, thus an investigation of reservoir quality controls. A process-oriented approach is used to understand variability in a meander deposit, compaction and cementation behavior of lithofacies types during burial and the discrepancy between porosity and permeability values.
    Keywords: Diagenese ; Bleichung ; Reservoirqualität ; triassische Sandsteine ; laterale Variabilität ; diagenesis ; bleaching ; reservoir quality ; Triassic red beds ; lateral variability ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning
    Language: English
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  • 107
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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: 3D-Visualisierungen werden heutzutage in vielen verschiedenen Gebieten eingesetzt. Ein großer Vorteil der 3D-Visualisierung ist, dass sie komplexe räumliche Zusammenhänge leicht verständlich darstellen kann. Die Motivation dieser Arbeit war, Eigenschaften von 3D-Visualisierungen auf ihren Nutzen im Zusammenhang mit der Visualisierung von umweltrelevanten Daten zu untersuchen und generische Lösungsmöglichkeiten für die Realisierung von 3D-Visualisierungen in Umweltanwendungen zu entwickeln.
    Keywords: QC1-999 ; Java 3D ; Geoinformationssystem ; Umweltinformatik ; Visualisierung ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 108
    Publication Date: 2023-07-05
    Description: In dieser Arbeit wurden unterschiedliche, aktuell verfügbare Hochtemperatursupraleiter aus YBa2Cu3O7-x, sogenannte YBCO-Bandleiter, für die Verwendung in supraleitenden resistiven Strombegrenzern systematisch untersucht.Auf Grundlage dieser Untersuchungen wurde ein allgemeiner Entwurfsgang mit zugehörigen Entwurfsgleichungen erstellt sowie ein konzeptioneller Entwurf eines Strombegrenzer-Prototypen für die 10 kV-Mittelspannungsebene durchgeführt mit Abschätzung der Investitionskosten.
    Keywords: Q1-390 ; Hochtemperatursupraleiter ; YBCO-Bandleiter ; Strombegrenzer ; Materialcharakterisierung ; Supraleitung
    Language: German
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  • 109
    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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  • 110
    Publication Date: 2023-07-05
    Description: Sachzwänge im internationalen Klimaschutz: 1. Weltweit wirksame Begrenzung von Emissionen, 2. Nutzung der Ressource muss einen Preis haben, um Anreiz für sparsamen Umgang zu geben, 3. Pro-Kopf-Lösung (auch von Bundeskanzlerin Merkel gefordert), damit Indien und China mitmachen. Input-Orientierung: Wer Kohle,
    Keywords: HF5001-6182 ; Weltgemeinschaftsgüter ; Klimawandel ; Weltordnungs- und -wirtschaftspolitik ; Welthunger ; Emissionsrechtehandel ; Weltwirtschaftspolitik ; Weltordnungspolitik
    Language: German
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  • 111
    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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  • 112
    Publication Date: 2024-04-11
    Description: This work is about the inverse dynamics of underactuated flexible mechanical systems governed by quasi-linear hyperbolic partial differential equations subjected to time-varying Dirichlet boundary conditions that are enforced by unknown, spatially disjunct, hence non-collocated Neumann boundary conditions.
    Keywords: Flexible multibody dynamics; (Cosserat-) Continuum; Underactuation; Inverse dynamics; Soft-robotics; Flexible Mehrko¨rperdynamik; (Cosserat-) Kontinuum; Unteraktuierung; Inverse Dynamik ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: English
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  • 113
    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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  • 114
    Publication Date: 2023-07-05
    Description: This work analyses the long-term impact of electric mobility on the energy system, and aims to support the decision making of actors in the European electricity system, which takes electric mobility into account. For this purpose the Europe-wide development of electric mobility and of the energy system are examined in an integrated way based on a model coupling. This allows to analyse the interdependencies of both developments in this model-based approach endogenously.
    Keywords: HF5001-6182 ; Elektromobilität ; Energiesystemmodell ; Energiesystemanalyse ; Ladekurven
    Language: German
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  • 115
    Publication Date: 2023-07-05
    Description: Um das Potential von P2P-Netzen und -Systemen für die Entwicklung und den Betrieb zukünftiger verteilter Systeme zu analysieren, erfolgt in der Arbeit zunächst eine umfassende Darlegung des aktuellen Entwicklungsstandes. Daraus leiten sich wesentliche Fragestellungen hinsichtlich Architektur, Robustheit und Telekommunikationsrecht ab. In der Folge werden diese untersucht, indem vorhandene Mechanismen bewertet sowie durch neuartige Verfahren ergänzt werden, um bestehende Defizite auszugleichen.
    Keywords: QA75.5-76.95 ; Telekommunikationsrecht ; Rechnernetze ; Virtuelle Netzwerke ; Peer-to-Peer
    Language: German
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  • 116
    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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  • 117
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    KIT Scientific Publishing
    Publication Date: 2024-03-23
    Description: Fiktionale Darstellungen von Technik scheinen von Geschlechterstereotypen bevölkert, die Klischees bedienen und auf der Opposition traditioneller, geschlechtlich assoziierter Merkmale basieren. So verkörpert Männlichkeit das technische Prinzip, während das Weibliche der Sphäre der Natur zugeordnet ist. Doch wie stereotyp sind technische Zukunftsvisionen? Der Band nimmt die geschlechtliche Kodiertheit literarischer und filmischer Technikzukünfte in den Fokus. Die Beiträge dieses Sammelbandes betrachten jeweils differenziertere Aspekte, beispielsweise im Hinblick auf stereotype, genderspezifische Rollenzuschreibungen, die Bedeutung geschlechtlicher Identitäten in den von Technik geprägten Räumen und ihre jeweilige mediale Vermittlung, und liefern ein erstes Panoptikum zur Erschließung der Fragestellung von Gender und Technikzukünften unter spezifisch kulturwissenschaftlicher Perspektive.
    Keywords: gender ; technology ; literature ; cultural studies ; film ; thema EDItEUR::A The Arts::AT Performing arts::ATF Films, cinema
    Language: German
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  • 118
    Publication Date: 2024-03-30
    Description: This work starts with the real estate industry as an important field of action for sustainable development and examines the consideration of sustainability-relevant property characteristics in the valuation of real estate. Taking into account econometric methods, the willingness to pay and the understanding of sustainability in real estate as well as the increase in value of sustainable object attributes is analysed.
    Keywords: Immobilienwirtschaft ; Nachhaltigkeit ; Immobilienbewertung ; Wertermittlung ; Regressionsanalyse ; Real estate economy ; sustainability ; real estate valuation ; valuation ; regression analysis ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics
    Language: German
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  • 119
    Publication Date: 2023-07-05
    Description: This study assesses the contribution of social software to reduce communication-based innovation barriers. Subject of the examination were global product development projects of a multinational company. By performing a social network analysis and a survey-based inquiry no evidence was found social software could reduce innovation barriers. An empirical investigation exposed a lack of functional fit and diffusion of the social software.
    Keywords: HF5001-6182 ; Social Business ; Innovation Management ; InnovationsbarriereProduct Development ; Innovation Barrier ; Produktentwicklung ; Innovationsmanagement ; Social Software
    Language: German
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  • 120
    Publication Date: 2024-04-04
    Description: In disordered solids, two-level atomic-tunneling systems are present in large quantity. Only recently, superconducting qubits opened a door for a detection and individual coherent manipulation of such microscopic quantum systems. We succeeded to tune the resonance frequencies of these systems by applying external strain on the qubit chip. Moreover, we observed and analyzed the interaction between two coupled tunneling systems.
    Keywords: QC1-999 ; two-level systemQuantenbit ; Qubit ; qubit ; Superconducting qubit ; TunnelsystemQuantum bit ; TLS ; tunneling system ; phase qubit ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 121
    Publication Date: 2024-04-11
    Description: The focus of this work is on the modelling of the degradation behaviour of conventional lithium-ion cells with graphite/NMC electrodes in conjunction with electrolytes based on LiPF6 in organic solvents. The potential for improvements of parameterization methods dealing with physical-chemical aging effects and simulation studies for optimization of the battery lifetime is shown. In the process of model parameterization mostly data-based as well as non-invasive analysis methods are used.
    Keywords: Lithium-Ionen-Zelle ; Batterie ; Elektrofahrzeug ; Degradationsmechanismen ; Lebensdauerprädiktion ; lithium-ion cell ; battery ; electric vehicle ; degradation mechanism ; lifetime prediction ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 122
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: The aim of this work is the development of a Radar system for consumer applications. It is capable of tracking multiple people in a room and offers a touchless human-machine interface for purposes that range from entertainment to hygiene.
    Keywords: Radar; FMCW; Gestenerkennung; Tracking; gesture recognition; tracking ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: English
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  • 123
    Publication Date: 2024-04-04
    Description: This work describes the development of an ultra-light-weight Proton-Transfer-Reaction Mass Spectrometer (PTR-MS), its detailed qualification, ground-based and airborne applications and studies on VOC emissions in connection with fossil fuel production. The new system was used aboard a mobile laboratory in order to investigate the chemical fingerprints of the diverse emitters at oil and natural gas well pads. Emissions of aromatic hydrocarbons at a hydraulically fractured well have been studied.
    Keywords: QC1-999 ; PTR-MS Flüchtige organische Verbindungen Hydraulic Fracturing Aromatische Kohlenwasserstoffe Flugzeuggestützte MessungenPTR-MS Volatile organic compounds Hydraulic Fracturing Aromatic hydrocarbons Airborne measurements ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 124
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    KIT Scientific Publishing
    Publication Date: 2024-04-05
    Description: Technikzukünfte - der Plural ist Programm! - stellen wesentliche und häufig kontroverse Themen gesellschaftlicher Zukunftsdebatten dar. Dieses Buch widmet sich der Frage, in welcher Weise technikbezogene Zukunftsvorstellungen unsere gegenwärtigen Diskussionen und Entscheidungen prägen und wie sie für die weitere Ausgestaltung des wissenschaftlich-technischen Fortschritts genutzt werden können. Beispielfelder sind Synthetische Biologie, das ""Human Enhancement"", Nanotechnologie und Energie.
    Keywords: B1-5802 ; Verantwortung ; Hermeneutik ; Fortschritt ; Technikgestaltung ; Technikvisionen ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy
    Language: German
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  • 125
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: In this work, modular damage reduction assistance systems are investigated. Identification modules provide information about the current driving and working state, the machine operator, the bulk material mass and system parameters. Damage modules with complexity reduced calculation approaches allow a quantification of the machine damage. Possible applications and the potential of the assistance systems are demonstrated in a model-based development environment.
    Keywords: Assistenzsysteme ; Schädigungsreduktion ; Machine Learning ; Modellbasierte Entwicklung ; Radlader ; assistance systems ; damage reduction ; machine learning ; model-based development ; wheel loader ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 126
    Publication Date: 2024-04-04
    Description: Es wird ein allgemeingültiges Prozessverständnis der Grundwasserströmung zwischen einem Hochwasserretentionsraum und den Brunnen eines nahen Wasserwerks entwickelt. Auf dieser Grundlage wird eine Methode entworfen, mit der überschlägig abgeschätzt werden kann, ob durch den Retentionsraum infiltriertes Flusswasser in die Brunnen gelangt. Weiterhin werden geeignete Methoden für den Aufbau eines numerischen Aquifersimulators, mit dem der Einfluss bei Bedarf quantifiziert werden kann, aufgezeigt.
    Keywords: QC1-999 ; Wasserwerk ; Grundwasserströmung ; Polder ; Schadstofftransport ; Überflutung ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 127
    Publication Date: 2023-07-05
    Description: This book presents two experimental studies that deal with the comparison of multi-item auction designs for two specific applications: the sale of 2.6 GHz radio spectrum rights in Europe, and the sale of emissions permits in Australia. In order to tackle the complexity of these experiments, a cognitively based toolkit is proposed, including modularized video instructions, comprehension tests, a learning platform, a graphical one-screen user interface, and comprehension-based group matching.
    Keywords: HF5001-6182 ; emissions permits ; spectrum rights ; methodology of experimental economics ; multi-item auction experiments ; video instructions
    Language: English
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  • 128
    Publication Date: 2024-04-11
    Description: Interdisciplinary development approaches for system-efficient lightweight design unite a comprehensive understanding of materials, processes and methods. This applies particularly to continuous fibre-reinforced plastics (CoFRPs), which offer high weight-specific material properties and enable load path-optimised designs. This thesis is dedicated to understanding and modelling Wet Compression Moulding (WCM) to facilitate large-volume production of CoFRP structural components.
    Keywords: Faserverbundkunststoffe; Nasspresstechnologie; Kohlefasergewebe; FEM-Methode; Abaqus; Fiber composite plastics; Wet compression molding; carbon fiber fabric; FEM ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
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  • 129
    Publication Date: 2024-04-11
    Description: Ferromagnetic inhomogeneities along the track serve as landmarks. With these, each track section in the track network can be uniquely identified. In addition to non-contact speed determination, this also provides a track-selective method for determining the absolute position of the rail vehicle.
    Keywords: bordautonome Lokalisierung ; berührungslose Geschwindigkeitsmessung ; ferromagnetische Inhomogenitäten ; ferromagnetische Signaturen ; Schienenfahrzeug ; high accuracy velocity and position estimation ; ferromagnetic inhomogeneities ; ferromagnetic signatures ; rail vehicle ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 130
    Publication Date: 2023-07-05
    Description: This book presents a modular framework for slicing in the proof assistant Isabelle/HOL which is based on abstract control flow graphs. Building on such abstract structures renders the correctness results language-independent. To prove that they hold for a specific language, it remains to instantiate the framework with this language, which requires a formal semantics of this language in Isabelle/HOL. We show that formal semantics even for sophisticated high-level languages are realizable.
    Keywords: QA75.5-76.95 ; Formal Semantics ; Slicing ; Theorem Proving ; Language Based Security ; Modularity
    Language: English
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  • 131
    Publication Date: 2024-03-30
    Description: This work analyses technological least-cost pathways for deep emission reductions in the European power sector. It seeks a better understanding of the role renewable energies play in the transformation process up to 2050. Therefore, a model is developed which optimises capacity expansion and hourly dispatch of both conventional and renewable power generation, transmission grids and storage facilities in all hours of the analysed years. The model is applied to four long-term scenarios.
    Keywords: HF5001-6182 ; LangfristszenarienPower system ; renewable energy ; Stromsystem ; optimisation ; Optimierung ; Klimaschutz ; Erneuerbare Energie ; long-term scenarios ; climate protection ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJC Business strategy
    Language: English
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  • 132
    Publication Date: 2023-12-21
    Description: This work investigates the capability of the high-temperature superconductor YBCO to sense the evolution of the electrical field of THz pulses. A deposition process for ten unit-cell thin films and a sub-µm patterning process were developed to enable high sensitivities. The detector response to THz exctiations and its electrical-field sensitivity were studied. This unique characteristic allows for the investigation of instabilities of the THz radiation emitted from synchrotron storage rings.
    Keywords: T1-995 ; electrical-field sensitivity ; E-Feld Sensitivität ; synchrotron ; terahertz radiation ; YBCO ; Dünnfilmabscheidung ; Synchrotron ; thin film deposition ; Terahertzstrahlung ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 133
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    KIT Scientific Publishing
    Publication Date: 2024-04-05
    Description: Im Vordergrund auch dieses dritten Bandes mit Technikessays steht die Bildinterpretation und die Erschließung von Bildquellen für die kontextualisierende, sozialkonstruktivistische Kulturgeschichte der Technik, die bislang noch wenig oder gar nicht Gegenstand historischer Betrachtung waren: u. a. der Graphiken von Carl G. Evers aus den 1950er Jahren, amerikanischer und deutscher Modellbahnzeitschriften, von Industriewerbung und einem Verkehrsbilderbuch. Zeitlich liegt der Schwerpunkt auf der Wende der 1950er zu den 1960er Jahren, methodisch auf der Frage nach den Mechanismen des Umgangs mit Technik, die uns nah ist. Das erkenntnisleitende Interesse ist die (Wieder-)Sichtbarmachung von Technik, die wir gar nicht oder nicht mehr als Technik wahrnehmen.
    Keywords: Historische Technikakzeptanzforschung ; Technik als soziale und kulturelle Konstruktion ; Technik und Biographie ; Mobilitätsgeschichte ; Eisenbahngeschichte ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy
    Language: German
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  • 134
    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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  • 135
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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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  • 136
    Publication Date: 2024-04-04
    Description: Im Rahmen der Festschrift zur Verabschiedung von Prof. Schmitt wurden von Mitarbeitern des Geodätischen Instituts sowie von ehemaligen Doktoranden insgesamt 24 Beiträge zu aktuellen Arbeiten der Verfasser erstellt. Das Spektrum dieser Arbeiten liegt in den Bereichen Geodäsie, GIS, GNSS, Netzausgleichung, Geodynamik sowie Wertermittlung. Innovative Arbeiten zu aktuellen Fragestellungen stehen in direktem Zusammenhang mit früheren wissenschaftlichen Arbeiten von Prof. Schmitt.
    Keywords: QC1-999 ; Geodätisches Institut KIT Festschrift Verabschiedung Prof. Schmitt ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 137
    Publication Date: 2024-04-14
    Description: 2021, the annual joint workshop of the Fraunhofer IOSB and KIT IES was hosted at the IOSB in Karlsruhe. For a week from the 2nd to the 6th July the doctoral students extensive reports on the status of their research. The results and ideas presented at the workshop are collected in this book in the form of detailed technical reports.
    Keywords: computer vision; optische Messtechnik; network security; usage control und machine learning; optical metrology; usage control and machine learning ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 138
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: This work presents a real-time dynamic pricing framework for future electricity markets. Deduced by first-principles analysis of physical, economic, and communication constraints within the power system, the proposed feedback control mechanism ensures both closed-loop system stability and economic efficiency at any given time. The resulting price signals are able to incentivize competitive market participants to eliminate spatio-temporal shortages in power supply quickly and purposively.
    Keywords: Strommarkt; Dynamische Optimierung; Spieltheorie; Nichtlinearer Reglerentwurf; Mathematische Modellbildung; Electricity Market; Dynamic Optimization; Game Theory; Nonlinear Control; Mathematical Modeling ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: English
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  • 139
    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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  • 140
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Der Taylor-Couette Reaktor zeichnet sich aus durch gleichmäßige Mischintensitäten und schonende Mischbedingungen. Die Vermischung in der Taylor-Couette Strömung wurde experimentell untersucht. Die Größenskalen der Vermischung wurden hinsichtlich der Reaktorgeometrie spezifiziert. Basierend auf experimentellen Ergebnissen wurde die Vermischung in der Taylor-Couette Strömung modelliert sowie die Zusammenhänge zwischen Prozessparametern und Mischungszuständen geklärt.
    Keywords: TP155-156 ; Makrovermischung ; Taylor-Couette Reaktor ; Mikrovermischung ; Mesovermischung ; Taylor-Couette Strömung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 141
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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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  • 142
    Publication Date: 2023-07-05
    Description: Die Arbeit behandelt asymptotische Eigenschaften eines speziellen Anpassungstests auf multivariate Normalverteilung, der Teststatistik von Cox und Small. Unter verschiedenen Verteilungsannahmen wird das asymtotische Verhalten der Teststatistik untersucht und die Grenzverteilungen angegeben. Mit einer Simulationsstudie werden die theoretischen Ergebnisse bestätigt.
    Keywords: QA75.5-76.95 ; Grenzwertsätze in Banachräumen ; Anpassungstests ; Asymptotische Statistik ; sphärisch-symmetrische Verteilungen
    Language: German
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  • 143
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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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  • 144
    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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  • 145
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Proper curing of concrete has a significant influence on its quality and properties. It is essential for both the strength development of the young concrete and its resistance to external impacts. The present conference proceedings provide an overview of the different methods of suitable curing and use inspirable practical examples to show how the increasing requirements can be met in the various areas of concrete construction.
    Keywords: Betonbautechnik ; Nachbehandlung ; Dauerhaftigkeit ; Oberflächenqualität ; concrete construction technology ; curing ; durability ; surface quality ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: German
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  • 146
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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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  • 147
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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: Anaerobic digestion of the organic fraction of municipal solid waste as such or together with food waste, press water or patatoes sludge was investigated to equilibrate methane production within a day or over the weekend, when no OFMSW was available. A stable co-digestion process could be achieved with COD degradation between 60 and 80 %. The max. organic loading rates were 28 kg COD/L,d. For stable methane production the OLR during Co-digestion should not excede 22,5 kg/L,d.
    Keywords: QC1-999 ; Food waste ; Potatoes sludge ; Organic fraction of municipal solid waste ; Methane production ; Anaerobic digestion ; Co-digestion ; Press water ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 148
    Publication Date: 2024-04-14
    Description: Erstmalig befasst sich ein Buch mit der Datenpräsenz zum Sportbedarf und zum Sportverhalten in den kommunalen Sportverwaltungen Deutschland. Mittels einer repräsentativen, empirischen Erhebung wird der Wissensstand untersucht, der für eine Sportstättenentwicklungsplanung relevant ist. Ziel ist eine permanente, wissensbasierte Sportentwicklungssteuerung im Gegensatz zu Momentaufnahmen zur Sportstättenentwicklungsplanung.
    Keywords: GV557-1198.995 ; Sportstättenentwicklungsplanung ; thema EDItEUR::V Health, Relationships and Personal development::VX Mind, body, spirit::VXH Complementary therapies, healing and health::VXHT Traditional medicine and herbal remedies
    Language: German
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  • 149
    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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  • 150
    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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  • 151
    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
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  • 152
    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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  • 153
    Publication Date: 2023-12-21
    Description: In many branches of technology is a need for mechanisms with minimum friction and minimum bearing play. Such mechanisms are neither feasible with conventional hinges nor with hinges from the micro- and nanopositioning. This thesis proposes novel hinges in order to bridge the gap between the precision of micropositioning and the workspace of applications in manufacturing. The proposed implementations are flexure hinges for large displacements and dry slide bearings with friction reduction.
    Keywords: T1-995 ; Festkörpergelenke ; Reibwertglättung ; Drehgelenke ; Trockengleitlager ; Elastica ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 154
    Publication Date: 2023-12-21
    Description: Dieses Buch beinhaltet zunächst eine kurze Einführung in die Organische Chemie. Organische Grundkenntnisse sind die Voraussetzung, um nicht nur Kraftstoffe und Schmierstoffe zu verstehen, sondern im Besonderen die Polymerchemie für Polymerwerkstoffe.Die Vorlesung ""Polymerwerkstoffe"" wird im Maschinenbaustudium in einem höheren Semester angeboten.Allgemeine chemische Grundkenntnisse für Chemie im Nebenfach findet man im Buch 1 ""Chemie für Maschinenbau - Anorganische Chemie für Werkstoffe und Verfahren"".
    Keywords: T1-995 ; Organische Chemie ; Polymerchemie ; Polymerwerkstoffe ; Schmierstoffe ; Kraftstoffe ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 155
    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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  • 156
    Publication Date: 2024-04-04
    Description: The main objectives of this book are (i) to investigate the electrochemical behavior and the analytical performance of a novel ultramicroelectrode array (UMEA); (ii) to assess the analytical parameters of square-wave anodic stripping voltammetric measurements (SWASV) using the UMEA; and (iii) to estimate the potential of the UMEA in developing decentralised analytical equipments for the determination of trace concentrations of heavy metals in natural waters. Surface analytical techniques (SEM, ESEM, and AFM) showed that the UMEA chips are of high quality in manufacture. Cyclic voltammetric and chronoamperometric experiments proved that the electrochemical behavior of the UMEA is dominated by the features characteristic for single microelectrodes.Chronocoulometry was found to be the most suitable method in generating the Hg-film of good quality. A new UMEA chip could be plated at least ten times, corresponding to about 500 measurements of trace metals in synthetic aqueous solutions. Using SWASV, detection limits of 〈0.1 ï¿g/l could be achieved for the metals (Pb, Cd). Precision and accuracy were found to be approx +/-10% of RSD.In natural waters, the results obtained with the UMEA sensor showed a reasonably good agreement with HR-ICP-MS analyses. Different experimental parameters were optimised and investigated. Interferences (e.g., DOC) were significantly reduced through medium exchange and standard addition. Ultrasonic bath proved to be very efficient in resurfacing electrodes in laboratory.The UMEA sensor shows a great potential in developing a portable trace metal analyzer. However, for in situ and on-site measurements, the protection of the UMEA sensor from fouling seems to be inevitable. In order to achieve a pure microelectrode behavior with the UMEA, increasing the ratio of interelectrode distance to electrode diameter is recommended for further developments.
    Keywords: QC1-999 ; Schwermetall ; Geochemie ; Chemischer Sensor ; Elektrochemischer Sensor ; Mikroelektrode ; Sensor ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 157
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: Propädeutikum Java ist ein Einführungskurs in die Programmiersprache Java für Schüler und Abiturienten, die sich auf das Studium vorbereiten möchten. Die Autoren - erfahrene Dozenten, Übungsleiter und Tutoren am Karlsruher Institut für Technologie (KIT) - ermöglichen Anfängern den Einstieg in die faszinierende Welt der Programmierung anhand einer Vielzahl einfacher und einprägsamer Beispiele, die den Einstieg in die Programmierung mit Java im Selbststudium ermöglichen.
    Keywords: HF5001-6182 ; Propädeutikum Java Programmierung Selbststudium Hochschule ; bic Book Industry Communication::K Economics, finance, business & management::KJ Business & management::KJC Business strategy
    Language: German
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  • 158
    Publication Date: 2023-12-21
    Description: In dieser Arbeit wird die anwendungsorientierte Entwicklung von Empfangsfiltern für das Radioteleskop des Max Planck Institutes für Radioastronomie (MPIfR) in Effelsberg vorge-stellt. Dort bestand großes Interesse an Bandpassfiltern für das 21 cm bzw. 11 cm Band, die bei radioastronomischen Polarisationsmessungen zum Einsatz kommen sollen. Für beide Bänder sind jeweils zwei zirkularpolarisierte Empfangskanäle auf ein Polarimeter geschaltet, das eine Empfängerrauschtemperatur von ca. 5 K besitzt. Die schmalbandigen Vorfilter für jeden einzelnen Kanal sollen daher im Durchlassbereich eine extrem kleine Dämpfung und möglichst identische Übertragungscharakteristiken (Streuparameter) bei einer Betriebstemperatur von 15 K aufweisen. Dabei soll dieses Ergebnis ohne jegliche nachträgliche mechanische Abstimmung, wie z. B. durch die Verwendung keramischer Schrauben, erreicht werden. Für die spätere Endmontage auf einem Kaltfinger im Hochvakuum, wird zudem ein möglichst hoher Grad an Miniaturisierung der einzelnen Bandpässe angestrebt, um die Packungsdichte des Komplettsystems zu erhöhen. Neben der notwendigen Filtersynthese, um die geforderten Übertragungscharakteristiken zu erreichen, werden die benötigten Materialien mit ihren Eigenschaften beschrieben, mittels derer die elektrischen Anforderungen der konzipierten Netzwerke erfüllt werden können. Darüber hinaus werden die Bauelemente, um das Ziel einer hohen Integration der einzelnen Bandpässe zu erreichen, und die Entwicklung sowie Auslegung koplanarer Leitungsresonatoren in Mäanderform für den modularen Aufbau der Bandpässe vorgestellt. Mit den gewonnenen Resultaten aus Simulationen und insbesondere Mes-sungen an realisierten Filterexemplaren schließt diese Arbeit.
    Keywords: T1-995 ; Mikrowellenfilter ; Kryoelektronik ; Radioastronomie ; Koplanarleitung ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 159
    Publication Date: 2023-12-21
    Description: In dieser Arbeit wurden hybride Bauelementarchitekturen für effiziente Dünnschichtsolarzellen konzipiert, experimentell realisiert und charakterisiert. Neben hybriden Konzepten für flüssig prozessierbare Elektrodensysteme wurden vor allem Ansätze verfolgt, hocheffiziente Kupfer-Indium-Gallium-Diselenid-Absorber mit perspektivisch druckbaren organischen Halbleitern sowohl in Einzel- als auch in Tandem-Solarzellen zu kombinieren.
    Keywords: T1-995 ; Organische Halbleiter ; Polymersolarzellen ; Nanotechnologie ; Photovoltaik ; CIGS ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 160
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: This work presents a flexible methodology for formally specifying and deductively verifying object-oriented components.It is based on a simple notion of program correctness. Correctness can be achieved with a novel system of proof obligations, which serve as input to a suitable theorem prover.
    Keywords: QA75.5-76.95 ; proof obligations ; encapsulation ; components ; context specification ; deductive verification ; modular proofs ; formal specification ; object-orientation ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: German
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  • 161
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    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: In diesem Buch werden die Eigenschaften des ultrabreitbandigen und richtungsaufgelößten Funkkanals umfassend analysiert. Auf Basis von strahlenoptischen Verfahren werden zwei hybride Modellierungsansätze vorgeschlagen, welche die Streuprozesse im Funkkanal nachbilden. Die Modelle werden mit Messungen verifiziert und in Systemsimulationen eines MIMO-UWB Kommunikationssystems eingesetzt. Anhand dieser Simulationen wird der Leitfaden zum Design von Antennenarrays für solche Systeme abgeleitet.
    Keywords: T1-995 ; Kanalmodellierung ; UWB ; Mehrantennensysteme ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 162
    Publication Date: 2023-12-20
    Description: A ubiquitous challenge in many technical applications is to estimate an unknown state by means of data that stems from several, often heterogeneous sensor sources. In this book, information is interpreted stochastically, and techniques for the distributed processing of data are derived that minimize the error of estimates about the unknown state. Methods for the reconstruction of dependencies are proposed and novel approaches for the distributed processing of noisy data are developed.
    Keywords: QA1-939 ; Schätztheorie ; Kalman Filter ; estimation theory ; Sensornetze ; Verteilte SystemsData fusion ; distributed systems ; Datenfusion ; sensor networks ; Kalman filtering ; bic Book Industry Communication::P Mathematics & science
    Language: English
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  • 163
    Publication Date: 2023-12-21
    Description: Holz im Verbindungsbereich neigt zum Spalten, wenn Verbindungen mit mehreren Verbindungsmitteln sowie mit geringen Abständen der Verbindungsmittel untereinander ausgeführt werden. Spalten des Holzes kann jedoch verhindert werden, wenn das Holz im Verbindungsbereich mit selbstbohrenden Holzschrauben verstärkt wird. Diese Arbeit stellt verschiedene Methoden dar, wie das Tragverhalten spaltgefährdeter und verstärkter Verbindungen mit Hilfe der Finite-Elemente-Methode erfasst werden kann.
    Keywords: T1-995 ; Verstärkungen ; Holzbau ; Verbindungen ; selbstbohrende Holzschrauben ; Ingenieurholzbau ; FEM im Holzbau ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 164
    facet.materialart.
    Unknown
    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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  • 165
    Publication Date: 2023-12-21
    Description: Gyrotrons are high-power mm-wave tubes. Here, the design, construction and experimental investigation of a 20 kW, 28 GHz gyrotron (2nd harmonic) are reported. This tube was designed to evaluate new emitters for future highly efficient and reliable fusion gyrotrons and for material processing applications. Following experimental results have been achieved in CW operation: 22.5 kW output power at 23.4 kV electron beam voltage and 2.23 A beam current with the world record efficiency of 43 %.
    Keywords: T1-995 ; Microwave-Materials-Processing ; Wirkungsgrad ; Efficiency ; Kernfusion ; Emitter-Technologien ; Nuclear-Fusion ; Emitter-Technologies ; Gyrotron ; MikrowellenmaterialprozesstechnikGyrotron ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 166
    Publication Date: 2024-04-11
    Description: The utilisation of the C4 streams of steamcrackers by converting raffinate II to maleic anhydride was studied. The oxidation reactions were investigated in a laboratory-scale fixed-bed reactor to determine reaction kinetics. The effects of pore diffusional resistance were investigated and explained. A two-dimensional pseudo-homogeneous reactor model was used for the simulation of a production-scale fixed-bed reactor. A flow scheme of the reactor section including a recycle was proposed.
    Keywords: TP155-156 ; Reaction Kinetics ; Partial Oxidation ; Raffinate II ; Reactor Simulation ; Maleic Anhydride ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
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  • 167
    Publication Date: 2024-04-14
    Description: IoT applications perceive and interact with the environment via smart devices and cloud services. When operating such applications one is faced with the challenge of configuring the smart devices and the cloud services in a manner, which achieves a high data quality at low operational costs. This work supports IoT operators with IoT collection strategies and cost optimization functions for data qualities, which are influenced by the interplay of smart device and cloud service configurations.
    Keywords: Internet-of-Things (IoT); Cloud Computing; Lastkontrolle; Flow Control ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
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  • 168
    Publication Date: 2024-04-04
    Description: The Internet has taken with its unlimited communication structures an outstanding role. In the process of globalization this creates not only the possibility for the integration of access to information independent from time and place, it also implies social changes with not yet known consequences. How is our society changing under these new communication structures? Is the "networked egoist" putting an end to the collective responsibility and to the sense of community? Or does networking provide the opportunities for the future development of civil societies, democracy, tolerance and peace?
    Description: Das Internet hat mit seinen unbegrenzten Kommunikationsstrukturen eine herausragende Rolle eingenommen. Im Prozess der Globalisierung ermöglicht diese Vernetzung nicht nur den von Ort und Zeit unabhängigen Zugang zu Informationen, sie zieht auch eine gesellschaftliche Veränderung mit bisher unüberschaubarem Ausmaß nach sich. Wie wird sich unsere Gesellschaft durch diese neuen Kommunikationstrukturen wandeln? Wird Der vernetzte Egoist der kollektiven Verantwortung und dem Gemeinschaftssinn ein schnelles Ende bereiten? Oder bietet Vernetzung auch zukunftsweisende Chancen für die Entwicklung von Zivilgesellschaften, Demokratien, Toleranz und Frieden?
    Keywords: social and digital cultures ; anthropology ; cultural studies ; globalization ; globalisierung ; applied cultural studies ; kulturwissenschaft ; politische theorie ; political theory ; angewandte kulturwissenschaft ; thema EDItEUR::N History and Archaeology::NH History::NHT History: specific events and topics::NHTB Social and cultural history ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBC Cultural and media studies::JBCC Cultural studies ; thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GT Interdisciplinary studies::GTQ Globalization ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBF Social and ethical issues::JBFS Consumerism
    Language: German
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  • 169
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    KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Materials of industrial interest often show a complex microstructure which directly influences their macroscopic material behavior. For simulations on the component scale, multi-scale methods may exploit this microstructural information. This work is devoted to a multi-scale approach for brittle materials. Based on a homogenization result for free discontinuity problems, we present FFT-based methods to compute the effective crack energy of heterogeneous materials with complex microstructures.
    Keywords: Effektive Rissenergie; FFT-basierte Homogenisierungsmethoden; Phasenfeld-Bruchmechanik; Minkowski-Tensoren; Fast-Marching-Methoden; Effective crack energy; FFT-based computational homogenization; Phase-field fracture; Minkowski tensors; Fast marching methods ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: English
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  • 170
    Publication Date: 2023-12-21
    Description: X-ray phase contrast imaging is a highly promising technology for the clinical diagnostic. Particularly high demands are placed on the required X-ray gratings, as the core element of this method. Such gratings can be fabricated using LIGA-technology, where the structured area is currently limited to a few centimeters in the diagonal (e.g. 10 cm). In this work possibilities to enlarge the area of X-ray gratings, as they are required for the Talbot-Lau Interferometry, were developed and analyzed.
    Keywords: T1-995 ; Kacheln ; Talbot-Lau Interferometry ; Röntgengitter ; Talbot-Lau Interferometrie ; Röntgenbildgebung ; LIGA-Technik ; tiling ; LIGA-technology ; X-ray gratings ; X-ray imaging ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 171
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    Unknown
    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: The goal of this work is improving existing and suggesting novel filtering algorithms for nonlinear dynamic state estimation. Nonlinearity is considered in two ways: First, propagation is improved by proposing novel methods for approximating continuous probability distributions by discrete distributions defined on the same continuous domain. Second, nonlinear underlying domains are considered by proposing novel filters that inherently take the underlying geometry of these domains into account.
    Keywords: QA75.5-76.95 ; Sensordatenfusion ; Richtungsstatistik ; Directional Statistics ; Stochastische Filterung ; Sensor Data Fusion ; DichteapproximationStochastic Filtering ; Density Approximation ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 172
    facet.materialart.
    Unknown
    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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  • 173
    facet.materialart.
    Unknown
    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: In this work we present a system to fully automatically create a highly accurate visual feature map from image data aquired from within a moving vehicle. Moreover, a system for high precision self localization is presented. Furthermore, we present a method to automatically learn a visual descriptor. The map relative self localization is centimeter accurate and allows autonomous driving.
    Keywords: T1-995 ; Maschinelles Sehen ; Lokalisierung ; Kartierung ; Autonomes Fahren ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: English
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  • 174
    Publication Date: 2023-12-20
    Description: Benutzungsunterstützung wird heute von jedem Programm verlangt. Aufbauend auf allgemeinen ergonomischen Grundlagen und einem allgemeinen Modell für parallele Algorithmen stellt die vorliegende Arbeit Methoden vor, wie Quelltext paralleler Programme durch den Einsatz dynamisch erzeugter Icons übersichtlicher gestaltet werden kann. Dazu wird eine neu entworfene Entwicklungsumgebung vorgestellt, die neben der Icondarstellung im Quelltext auch Dialogboxen bereitstellt, welche besonders für Aktivierungs- und Kommunikationsaufgaben auf Parallelrechnern angepasst sind.
    Keywords: QA75.5-76.95 ; Barrierefreiheit ; Parallelrechner ; Qt ; Programmierumgebung ; Softwareergonomie ; Benutzeroberfläche ; Softwarewerkzeug ; SIMD ; Editor ; Quellcode ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: German
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  • 175
    Publication Date: 2024-04-04
    Description: Zur Bewertung der Umweltrelevanz der Kfz-emittierten PGE (Pt, Pd, Rh) ist das Verständnis ihres Verhaltens im Boden von grundlegender Bedeutung.In dieser Arbeit wurde das Sorptionsverhalten wasserlöslicher PGE an fünf typischen Bodenmineralen (Mn/Fe-Oxide, Kaolinit, Feldspat, Kalk, Quarz) untersucht.
    Keywords: QC1-999 ; Edelmetallkomplexe ; Adsorption ; Mobilität ; Rhodium ; Platinmetallverbindungen ; Umweltgefährdung ; Palladium ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 176
    Publication Date: 2024-04-11
    Description: In dieser Arbeit wurden Schwämme aus Al2O3, Mullit und oxidisch gebundenem SiC hinsichtlich ihrer Impuls- und Wärmetransporteigenschaften experimentell untersucht. Zur Auslegung chemischer Apparate nach dem heterogenen oder dem homogenen Modell wurden für folgende wärmetechnisch interessanten Parameter allgemeingültige, dimensionslose Korrelationen abgeleitet: Druckverlust, Wärmeübergangskoeffizient zwischen Fluid und Feststoffgerüst, Ruhe- sowie axiale und radiale Zweiphasen-Wärmeleitfähigkeit.
    Keywords: TP155-156 ; Wärmeübergangskoeffizient ; Druckverlust ; Keramischer Schwamm ; Offenzelliger Schaum ; Wärmeleitfähigkeit ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 177
    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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  • 178
    Publication Date: 2024-04-11
    Description: Various bacteria with hydantoinase activity were recovered from terrestrial soil samples of different geographic origins (Antarctica, South Africa, China). Based on these findings it is shown that microorganisms with hydantoinase activity are (i) distributed in various geographically distinct environmental habitats (ii) distributed worldwide (iii) found in certain bacterial genera.
    Keywords: TP155-156 ; Delftia ; Bacillus ; enzyme characterisation ; hydantoinase ; halophile ; Ochrobactrum ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
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  • 179
    Publication Date: 2024-04-04
    Description: Die vorliegende Arbeit untersucht die regionale As-Grundwasseranreicherung in einem 35 km2 Gebiet in Kaliachak I (West-Bengalen, Indien), in dem Anomalien mit As-angereichertem Grundwasser in unmittelbarer Nähe zu unbelasteten Gebieten auftreten. Ziel der Arbeit ist die Charakterisierung des hydrogeochemischen Umfeldes der hohen As-Konzentrationen im Grundwasser und die Bestimmung der mineralogischen Speziation und Verfügbarkeit von Arsen in den Sedimenten des Aquifers.
    Keywords: QC1-999 ; Bengalen ; Grundwasser ; Sequentielle Extraktion ; Arsen ; Redox-Zonierung ; Natürliches organisches Material ; Mikrobieller Abbau ; Altwasser ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 180
    Publication Date: 2023-12-21
    Description: Im Rahmen der Arbeit werden Fahrstreifen durch eine Verkettung von Segmenten modelliert. Ein Beobachtungsmodell verknüpft die Bildsignalinhalte mit den Hypothesen. Eine Bayes'sche zeitliche Verfolgung stellt die Berücksichtigung des zeitlichen Zusammenhangs sicher. Für die Umsetzung des Beobachtungsmodells wird ein Testverfahren entwickelt, das einen gegebenen Bildbereich auf die Präsenz einer Markierung hin untersucht.
    Keywords: T1-995 ; Zeitliche Verfolgung ; Kreuzungsmodellierung ; Maschinelle Wahrnehmung ; Beobachtungsmodell ; Lokales Modell ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 181
    Publication Date: 2023-12-21
    Description: Peptidemicroarrays consist of a large variety of peptides immobilized on a solid support. Today many processes in the field ultra-high peptide-microarrays are performed manually and lack of reproducibility. Hence within this work three processes are developed for the standard use of peptide-microarrays.
    Keywords: T1-995 ; Peptidarrays ; peptide arrays ; Automatisierung ; Peptidmicroarray ; Prozessentwicklung ; process engineering ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 182
    Publication Date: 2023-12-21
    Description: In der vorliegenden Arbeit wurde der Betrieb dielektrisch behinderte Entladung bei hoher Leistungsdichte und hoher Effizienz untersucht. Hierbei wurde eine Abhängigkeit der homogenen Entladung von der Stromdichte festgestellt. Die nötige Anregungsform wurde in einem resonanten Puls-Betriebsgerät verwirklicht, welches Wirkungsgrade bis 87 % erreicht. Durch goniometrische Strahlungsflussmessungen im UV wurden die erreichte Leistungsdichte und Plasma-Effizienz bestimmt.
    Keywords: T1-995 ; Betriebsgeräte ; Excimer ; DBE ; gepulst ; Xenon ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 183
    facet.materialart.
    Unknown
    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: The book deals with the topic of mobile machines. In the first part the fundamentals of the machines are treated. The structures and different topologies used in the machines are described in detail. Starting from the energy source, the energy is followed up via engine to the power take-offs. In the second part selected mobile machines from the different areas are presented.
    Keywords: T1-995 ; Mobile Arbeitsmaschinenmobile Machines ; heavy off-road Machines ; heavy Equipment ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 184
    Publication Date: 2024-04-11
    Description: A gyrotron is used in magnetically confined plasma experiments for heating, current drive, plasma stabilization and plasma diagnostics. This work presents the first design and construction of a multi-frequency / multi-purpose coaxial-cavity pre-prototype gyrotron operating at (136)/170/204 GHz with an output power of 2 MW. It is the first step towards operating frequencies up to 240 GHz using the coaxial-cavity gyrotron technology.
    Keywords: mode generator; multi-frequency operation; electron vacuum tube; gyrotron; nuclear fusion; Modenerzeuger; Mehrfrequenzbetrieb; Vakuumröhre; Gyrotron; Kernfusion ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: English
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  • 185
    Publication Date: 2023-12-21
    Description: The roll-out of a high-performance DC electric vehicle supply equipment infrastructure is a key factor for the success of electric mobility. This work enhances existing control schemes for active rectifiers utilized in charging systems, resulting in minimized requirements for network connection. In addition, active power quality filtering is achieved. The proposed control concept is experimentally validated using a fast charger system.
    Keywords: T1-995 ; Schnellladeinfrastruktur ; network disturbances ; Elektromobilität ; Aktive Filterung der Spannungsqualitätelectromobility ; fast charging stations ; power quality active filters ; Netzrückwirkungen ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 186
    facet.materialart.
    Unknown
    KIT Scientific Publishing
    Publication Date: 2023-12-21
    Description: Die gekoppelte Simulation ist eine Möglichkeit, mechatronische Systeme in der Simulation abzubilden. In der vorliegenden Arbeit wird die gekoppelte Simulation unter Matlab/Simulink beschrieben und eine Möglichkeit aufgezeigt, das Kommunikationsintervall bei der gekoppelten Simulation unter Berücksichtigung der beteiligten Teilsysteme zu bestimmen. Die erarbeitete Handlungsvorschrift wird an Beispielen aus dem Bereich der mobilen Arbeitsmaschinen verifiziert.
    Keywords: T1-995 ; Gekoppelte Simulation unter Matlab/Simulink ; Simulation mechatronischer Systeme ; Virtueller Prototyp ; Simulation ; Simulation mobiler Arbeitsmaschinen ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 187
    facet.materialart.
    Unknown
    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: In this book, hybrid systems based on yttrium-iron-garnet (YIG), three dimensional microwave cavity resonators, and superconducting transmon qubits, are investigated by continuous wave and pulsed microwave spectroscopy. Limitations to the magnetic linewidth in the quantum regime are identified and coherent exchange between a magnon and a superconducting qubit are demonstrated. Finally, a first step towards a strongly coupled hybrid system containing all three components is demonstrated.
    Keywords: low temperature physic ; hybrid quantum systems ; quantum magnonics ; Tieftemperaturphysik ; Hybride Quantensysteme ; Quanten-Magnonics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 188
    Publication Date: 2023-12-21
    Description: This works describes an approach to lane-precise localization on current digital maps. A particle filter fuses data from production vehicle sensors, such as GPS, radar, and camera. Performance evaluations on more than 200 km of data show that the proposed algorithm can reliably determine the current lane. Furthermore, a possible architecture for an intuitive route guidance system based on Augmented Reality is proposed together with a lane-change recommendation for unclear situations.
    Keywords: T1-995 ; localization augmented Reality navigation route guidance particle filter ; Lokalisierung Erweiterte Realität Navigation Routenführung Partikelfilter ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
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  • 189
    Publication Date: 2024-04-11
    Description: Especially pedestrians rely on the interaction with other road users. The introduction of automated driving systems withdraws this communication from drivers and thus, vehicles need to interact with pedestrians. Therefore, multiple vehicle-pedestrian-communication concepts are evaluated. A driver intention prediction allows pedestrians to learn these newly introduced signals, while driver and vehicle communicate simultaneously.
    Keywords: Fahrzeug-Fußgänger-Kommunikation; Symbole; Farben; Neuronale Netze; Automatisiertes Fahren; Vehicle-Pedestrian-Communication; Symbols; Colors; Neural Networks; Automated Driving ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: German
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  • 190
    Publication Date: 2024-04-11
    Description: This work aims to gain an understanding of the interactions between tread compounds and surface texture on dry and wet road conditions. If, for example, a corundum surface, which is very well-established in the tire industry, is used on the tire test bench instead of a real track surface, for wet track conditions ranking inversions in the tested compounds occur.
    Keywords: PKW-Reifen; Laufstreifenmischung; Fahrbahntextur; Kraftübertragung; Passenger Car; Tire Tread Compound; Road Surface Texture; Traction ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials
    Language: German
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  • 191
    Publication Date: 2023-12-21
    Description: Driven by market signals, energy consumers are motivated to adapt their grid load. Due to their cryogenic storage capacity, air separation units can efficiently be used for load shifting. Such an operation leads to new challenges for plant operation and control. The developed pressure-driven dynamic column model is used to investigate load-flexible operation.
    Keywords: T1-995 ; druckgetriebe dynamische Simulation ; Lastwechselgeschwindigkeit ; load-change rate ; flexibility ; column model ; Kolonnenmodell ; Flexibilität ; pressure-driven flow dynamics ; Kryogene Luftzerlegung ; Cryogenic air separation ; bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues
    Language: German
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  • 192
    Publication Date: 2023-07-05
    Description: Das Buch untersucht folgende Fragestellungen:(i) Warum soll der Markt abgegrenzt werden? In diesem Zusammenhang werden die rechtlichen und ökonomischen Gründe der Marktabgrenzung dargestellt und denkbare gesamtwirtschaftlich nachteilige Folgen einer inkorrekten Marktabgrenzung bezeichnet.(ii) Wie soll der Markt abgegrenzt werden? Hier geht es um Darstellung und Bewertung der Abgrenzungskriterien und -methoden, die Rechtsanwender und Literatur bisher gefunden haben und anwenden. Berücksichtigt wird dabei deutsches, europäisches und amerikanisches Recht.
    Keywords: K1-7720 ; Marktabgrenzung ; Kartellrecht
    Language: German
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  • 193
    Publication Date: 2024-04-14
    Description: Model-based performance prediction is a well-known concept to ensure the quality of software.Current approaches are based on a single-metric model, which leads to inaccurate predictions for modern architectures. This thesis presents a multi-strategies approach to extend performance prediction models to support multicore architectures.We implemented the strategies into Palladio and significantly increased the performance prediction power.
    Keywords: Modellbasierte Performancevorhersage; Software Engineering; Multicore-Architekturen; parallele Entwurfsmuster; Model-based Performance Prediction; Multicore architectures; Parallel Design Patterns ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: English
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  • 194
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: The knowledge of damage processes and their influence on the development of the system´s response is of great significance for the maintenance of infrastructure constructions. By means of computer aided recalculations, the effects of corrosive, fatigue relevant and interacting effects on structures can be estimated and remaining service lifes can be predicted through comparison of simulated system responses with normatively determined limit states.
    Keywords: Brückenbau ; Vorspannung ; Korrosion ; Ermüdung ; numerische Simulation ; bridge construction ; prestressing ; corrosion ; fatigue ; numerical simulation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building
    Language: German
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  • 195
    Publication Date: 2023-07-05
    Description: In the described research project, a mobile system was developed to acquire and process sensor data from indoor scenes in buildings. Aim of the project was to identify reconstruct the building structure and create a building inventory as well as to identify resource efficiency potentials. Based on the building inventory, the system calculates an optimized deconstruction project plan. The system was successfully tested in the course of the project in residential houses, offices and a hospita.
    Keywords: HF5001-6182 ; Sensorerfassung ; Gebäude ; sensor data acquisition ; buildings ; Projektplanung ; Gebäudeinventarisierung ; building inventorying ; Rückbau ; deconstruction ; project planning
    Language: German
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  • 196
    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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  • 197
    Publication Date: 2024-04-11
    Description: The aim of the present work is the mathematical modeling of solid bowl centrifuges for the dynamic simulation of separation processes in real time. The developed compartment model couples the residence time behavior with the material properties and thus allows a time and space-resolved simulation for solid bowl centrifuges. The profound insights into the separation process open up not only a better design, but also new fields of application such as the dynamic flowchart simulation.
    Keywords: TP155-156 ; Systemverhalten ; Solid Bowl Centrifuges ; System Behaviour ; Vollmantelzentrifugen ; Mathematische Modellierung ; Dynamische Simulation ; Solid-Liquid Separation ; Mathematical modelling ; Mechanische Flüssigkeitsabtrennung ; Dynamic Simulation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 198
    Publication Date: 2024-04-04
    Description: From the 16th century to the 18th century skin colors have been stereotyped and stylized as essential characteristics of race. Color is of vital importance for artistic constructions of the body. This publication examines to what extent art has prepared the racist discourse by visual means and thus exercises structural violence. It is shown that the materialization of imaginary images contributes to the construction of difference in artworks.
    Keywords: QC1-999 ; Macht ; Farbe ; Rassismus ; Körper ; Weißsein ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 199
    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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  • 200
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    Unknown
    KIT Scientific Publishing
    Publication Date: 2023-07-05
    Description: Digital information products are an important class of widely used digital products, whose core benefit is the delivery of information or education (e.g., electronic books, online newspapers, e-learning courses).This book introduces a novel and systematic approach, Product Lines for Digital Information Products (PLANT), which focuses on the creation of variants of such products within a product line, and which extends concepts from the area of software product lines.
    Keywords: QA75.5-76.95 ; software product lines ; digital goods ; PLANT ; development ; economics ; modeling ; information goods ; Petri nets ; workflow management ; content
    Language: English
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