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  • Books  (106)
  • TP155-156  (70)
  • thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists  (36)
  • KIT Scientific Publishing  (106)
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  • Books  (106)
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  • 1
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    Untersuchung der Makro- und Mikromischung in kontinuierlich durchströmten Taylor-Vortex Reaktoren mit modifizierter Rotorgeometrie (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In der vorliegenden Arbeit wurde der Einfluss der Zylindergeometrie (zylindrisch; rippenförmig) auf die Mischcharakteristik eines kontinuierlich durchströmten Taylor-Vortex Reaktors untersucht. Hierfür wurde die Makro- und Mikromischung mittels Spurstoffversuchen, Messung des Rührenergieeintrages und einer chemischen Testreaktion bestimmt.
    Keywords: TP155-156 ; Spurstoffversuche ; Mikromischung ; alkalische Verseifung Ethylacetat ; Taylor-Vortex Reaktor ; Makromischung ; spezifischer Rührenergieeintrag ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 2
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    Coating and drying processes for functional films in polymer solar cells - from laboratory to pilot scale (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Polymer solar cells can be produced by a continuous low cost coating and drying process. This work details a specialized experimental set-up to enable large scale roll to roll processing. Material properties such as surface energy, surface tension, and viscosity are presented and modelled. The impact of coating method, as well as process parameters (e.g. coating speed, shear rate, solvent composition) on process stability and film properties, is discussed.
    Keywords: TP155-156 ; Viscosity ; ViskositätPolymer solar cell ; Polymersolarzelle ; Organic Electronic ; Beschichtung ; Organische Elektronik ; Prozess ; Process ; Coating ; Trocknung ; Drying ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 3
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    Deep Learning based Vehicle Detection in Aerial Imagery (2022)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: This book proposes a novel deep learning based detection method, focusing on vehicle detection in aerial imagery recorded in top view. The base detection framework is extended by two novel components to improve the detection accuracy by enhancing the contextual and semantical content of the employed feature representation. To reduce the inference time, a lightweight CNN architecture is proposed as base architecture and a novel module that restricts the search area is introduced.
    Keywords: Objektdetektion ; Neuronale Netze ; Luftbilddaten ; Object Detection ; Deep Learning ; Aerial Imagery ; 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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  • 4
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    Catalytic soot oxidation by platinum on sintered metal filters. Influence of the platinum quantity, particle size and location, and investigation of the platinum-soot contact (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The great challenge for next years concerning the emission of diesel engines is to develop diesel particle filters (DPF) with catalytic regeneration systems. This work is focused on the global understanding of the diesel soot oxidation on sintered metal filters (SMF). Platinum is studied as reference catalyst. The first objective is to determine which of platinum quantity, platinum particle size, or platinum location exhibits the preponderant influence on the catalytic.
    Keywords: TP155-156 ; platinum ; soot ; catalytic oxidation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 5
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    Combining Fischer-Tropsch Synthesis (FTS) and Hydrocarbon Reactions in one Reactor (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The present study addresses the combination of low-temperature Fischer-Tropsch synthesis (FTS) and hydrocarbon modification reactions (hydroprocessing) in one reactor. The objective of the present investigation was to study the influence of CO during hydroprocessing reactions of hydrocarbon model compounds on two different bifunctional catalysts. In addition, the influence of the catalyst-bed configuration for the combination FTS and hydrocarbon reactions was investigated.
    Keywords: TP155-156 ; Pt/Beta ; Fischer-Tropsch synthesis ; catalyst-bed configuration ; hydroprocessing ; physical mixture ; bifunctional catalysts ; dual layer ; Pt/ZSM-5 ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 6
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    Architecture-based Evolution of Dependable Software-intensive Systems (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: This cumulative habilitation thesis, proposes concepts for (i) modelling and analysing dependability based on architectural models of software-intensive systems early in development, (ii) decomposition and composition of modelling languages and analysis techniques to enable more flexibility in evolution, and (iii) bridging the divergent levels of abstraction between data of the operation phase, architectural models and source code of the development phase.
    Keywords: Software and Systems Engineering; Software-intensive Systeme; Evolution; Verlässlichkeit; Systemarchitektur; Software-intensive Systems; Dependability; System Architecture ; 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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  • 7
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    Proceedings of the 2021 Joint Workshop of Fraunhofer IOSB and Institute for Anthropomatics, Vision and Fusion Laboratory (2022)
    KIT Scientific Publishing
    Details
    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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  • 8
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    Vermischung in Taylor-Couette Strömung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Der Taylor-Couette Reaktor zeichnet sich aus durch gleichmäßige Mischintensitäten und schonende Mischbedingungen. Die Vermischung in der Taylor-Couette Strömung wurde experimentell untersucht. Die Größenskalen der Vermischung wurden hinsichtlich der Reaktorgeometrie spezifiziert. Basierend auf experimentellen Ergebnissen wurde die Vermischung in der Taylor-Couette Strömung modelliert sowie die Zusammenhänge zwischen Prozessparametern und Mischungszuständen geklärt.
    Keywords: TP155-156 ; Makrovermischung ; Taylor-Couette Reaktor ; Mikrovermischung ; Mesovermischung ; Taylor-Couette Strömung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 9
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    Partial oxidation of Raffinate II and other mixtures of n-Butane and n-Butenes to maleic anhydride in a fixed-bed reactor (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The utilisation of the C4 streams of steamcrackers by converting raffinate II to maleic anhydride was studied. The oxidation reactions were investigated in a laboratory-scale fixed-bed reactor to determine reaction kinetics. The effects of pore diffusional resistance were investigated and explained. A two-dimensional pseudo-homogeneous reactor model was used for the simulation of a production-scale fixed-bed reactor. A flow scheme of the reactor section including a recycle was proposed.
    Keywords: TP155-156 ; Reaction Kinetics ; Partial Oxidation ; Raffinate II ; Reactor Simulation ; Maleic Anhydride ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 10
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    QoS-Based Optimization of Runtime Management of Sensing Cloud Applications (2022)
    KIT Scientific Publishing
    Details
    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
    Language: English
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  • 11
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    Thermische Charakterisierung von keramischen Schwammstrukturen für verfahrenstechnische Apparate (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In dieser Arbeit wurden Schwämme aus Al2O3, Mullit und oxidisch gebundenem SiC hinsichtlich ihrer Impuls- und Wärmetransporteigenschaften experimentell untersucht. Zur Auslegung chemischer Apparate nach dem heterogenen oder dem homogenen Modell wurden für folgende wärmetechnisch interessanten Parameter allgemeingültige, dimensionslose Korrelationen abgeleitet: Druckverlust, Wärmeübergangskoeffizient zwischen Fluid und Feststoffgerüst, Ruhe- sowie axiale und radiale Zweiphasen-Wärmeleitfähigkeit.
    Keywords: TP155-156 ; Wärmeübergangskoeffizient ; Druckverlust ; Keramischer Schwamm ; Offenzelliger Schaum ; Wärmeleitfähigkeit ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 12
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    Screening and description of novel hydantoinases from distinct environmental sources (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Various bacteria with hydantoinase activity were recovered from terrestrial soil samples of different geographic origins (Antarctica, South Africa, China). Based on these findings it is shown that microorganisms with hydantoinase activity are (i) distributed in various geographically distinct environmental habitats (ii) distributed worldwide (iii) found in certain bacterial genera.
    Keywords: TP155-156 ; Delftia ; Bacillus ; enzyme characterisation ; hydantoinase ; halophile ; Ochrobactrum ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 13
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    Model-Based Performance Prediction for Concurrent Software on Multicore Architectures (2022)
    KIT Scientific Publishing
    Details
    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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  • 14
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    Dynamische Simulation der Mechanischen Flüssigkeitsabtrennung in Vollmantelzentrifugen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The aim of the present work is the mathematical modeling of solid bowl centrifuges for the dynamic simulation of separation processes in real time. The developed compartment model couples the residence time behavior with the material properties and thus allows a time and space-resolved simulation for solid bowl centrifuges. The profound insights into the separation process open up not only a better design, but also new fields of application such as the dynamic flowchart simulation.
    Keywords: TP155-156 ; Systemverhalten ; Solid Bowl Centrifuges ; System Behaviour ; Vollmantelzentrifugen ; Mathematische Modellierung ; Dynamische Simulation ; Solid-Liquid Separation ; Mathematical modelling ; Mechanische Flüssigkeitsabtrennung ; Dynamic Simulation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 15
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    In-situ Visualisierung von Oberflächendeformationen aufgrund von Marangoni-Konvektion während der Filmtrocknung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In the production of modern components, e.g. displays, complex substrates with e.g. conducting paths and pre-structuring are liquid coated and dried. The surfaces of such layers have to have a very well specified quality, usual. Thus it is necessary to avoid the formation of surface structures. This work presents the elementary mechanism and describes a technique for visualization to investigate surface deformations due to Marangoni-Convection during thin film drying.
    Keywords: TP155-156 ; convection ; Filmtrocknung ; Konvektion ; Marangoni ; Oberflächendeformationthin film drying ; surface deformation ; Oberflächenspannung ; surface tension ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 16
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    Oxidation von Isobutan und Isobuten zu Methacrolein an einem neuen Mo-basierten Mischoxid-Katalysator (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In the present work kinetic experiments addressing the oxidation of isobutene and isobutene to methacrolein over a new Mo-based mixed oxide catalyst are presented. The experiments focus on the one hand on the synthesis of the mixed oxide catalyst as well as the characterization of the crystal structure and on the other hand on the identification of suitable reaction conditions for the oxidation of the hydrocarbons.
    Keywords: TP155-156 ; Isobutene ; Isobutan ; Mischoxid-Katalysator ; Methacrolein ; Mixed Oxide Catalyst ; Isobutane ; Isobuten ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 17
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    Vom Keim zum Kristall - Über die Partikelbildung bei der Fällung schwerlöslicher Feststoffe (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: Die Feststofferzeugung mit Hilfe von Fällungsprozessen kommt in der chemischen Industrie schon seit Jahrhunderten zum Einsatz. Die grundlegenden Vorgänge während einer Fällung sind aber bis heute noch wenig verstanden. Zur gezielten Einstellung diverser Produktparameter ist für den Anwender die Kenntnis der ablaufenden physikalisch-chemischen Vorgänge bei der Partikelbildung unabdingbar. Das Ziel dieser Arbeit ist es, Hinweise zu geben, wie Partikelbildungsprozesse beeinflusst werden können.
    Keywords: TP155-156 ; Aggregation ; Fällung ; Produktgestaltung ; Keimbildung ; Kristallisation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 18
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    Messung und Berechnung des Resonanzverhaltens gekoppelter Helmholtz-Resonatoren in technischen Verbrennungssystemen (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: Für eine quantitative Vorhersage des Stabilitätsverhaltens eines technischen Verbrennungssystems in Hinblick auf das Auftreten selbsterregter Druck-/Flammenschwingungen, ist es u. a von entscheidender Bedeutung das Übertragungsverhalten der Brennkammer einschließlich vor- und nachgeschalteter Bauteile zu kennen (Helmholtz-Resonatoren). In dieser Arbeit wurde ein Modell zur Vorhersage des Resonanzverhaltens realer, gedämpfter Verbrennungssysteme auf gekoppelte Systeme erweitert.
    Keywords: TP155-156 ; Brennkammer ; Gasturbine ; Verbrennungsinstabilität ; Helmholtz-Resonator ; Thermoakustik ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 19
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    Produktion und Charakterisierung biogener anorganischer, nanoskaliger und nanostrukturierter Partikel (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die industrielle Herstellung anorganischer nanoskaliger und nanostrukturierter Partikel erfolgt vorwiegend durch den Einsatz physikalischer und chemischer Verfahren. Im Rahmen dieser Arbeit wird gezeigt, dass durch Verwendung sog. Biomineralisationsprozesse eine relativ große Anzahl qualitativ hochwertiger Partikel zu wirtschaftlich interessanten Konditionen herstellbar ist. Im Vgl. zu Partikeln aus physikalischchemischen Verfahren besitzen biogene Partikel weitere interessante Eigenschaften.
    Keywords: TP155-156 ; Biomineralisation ; Halbleiter ; Nanotechnologie ; Bioverfahrenstechnik ; Partikel ; Biomimetik ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 20
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    Roboter für Assistenzfunktionen (2024)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: The performance and flexibility of robot technologies make it possible to bring robots to everyday life. This creates many challenges: safety, legal regulations, reliability, reusability, and business models must be considered under special conditions. The acceptance and interaction of humans and robots are of central importance for the success of the applications. This collection summarises 15 studies from the BMBF-funded program "Robots for Assistance: Interaction in the Field.
    Keywords: human-robot-interaction (HRI); assistance robots; service robots; Mensch-Roboter-Interaktion (MRI); Assistenzroboter; Serviceroboter; Roboter im Alltag ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 21
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    Analytische und numerische Untersuchungen der Dynamik von Vormischflammen sowie deren Interaktion mit Ringwirbelstrukturen (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: Die Verwendung des Konzeptes der Vormischverbrennung in technischen Verbrennungsanlagen fördert die Ausbildung von selbsterregten Instabilitäten.Der Schwerpunkt der Arbeit liegt in der Berechnung des dynamischen Verhaltens bzw. des Frequenzgangs von pulsierten turbulenten vorgemischten Axialstrahlflammen. Dieses steht unter dem Einfluss der Bildung von kohärenten Ringwirbelstrukturen an der Brennermündung. Es werden sowohl instationäre Flammen als auch Ringwirbelströmungen numerisch untersucht.
    Keywords: TP155-156 ; Ringwirbel ; Modellierung ; Turbulente Strömung ; Vormischflamme ; Selbsterregte Schwingung ; Reagierende Strömung ; Pulsation ; Turbulente Verbrennung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 22
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    Tracking von Menschen und menschlichen Zuständen (2021)
    KIT Scientific Publishing | KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: This work evaluates different approaches for observing human states. The considered human conditions comprise the current position, the actual performance, and the emotional facial expression. This work relies on tracking and static classification methods to observe the humans‘ conditions.
    Keywords: Emotion Recognition ; Computer Vision ; Performance Tracking ; Tracking ; Emotionserkennung ; Bildverarbeitung ; Leistungsüberwachung ; Objektverfolgung ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 23
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    Influence of fully miscible lubrication oil on flow boiling of CO? inside horizontal evaporator tubes (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: Flow boiling heat transfer, pressure drop and flow pattern of CO?-POE oil mixtures were experimentally investigated in smooth and micro-fin tubes. The POE oil used features full miscibility in the range of operation investigated. The experimental data was evaluated based on mixture properties, used to evaluate and improve established predictive methods. The knowledge obtained contributes to understanding the influence of oil, which is essential for achieving an efficient evaporator design.
    Keywords: TP155-156 ; Strömungssieden CO? Kältemaschinenöl ; flow boiling CO? lubricant ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
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  • 24
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    Vacuum gas carburizing - fate of hydrocarbons (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: This work focuses on gaseous reactive flows in ideal and non-ideal reactors. The objective of this research is the development of models for the numerical simulation of homogeneous reactive flows under vacuum carburizing conditions of steel with propane and acetylene. These models can be used for further investigations of heterogeneous reactions during vacuum carburizing of steel to predict the carbon flux on the complex shaped steel parts to understand and, eventually, optimize the behavior of the whole reactor.arburizing is the case-hardening process in which carbon is added to the surface of low-carbon steels at temperatures generally between 850 and 1050 °C. In the conventional gas carburizing at atmospheric pressure, the carbon potential is controlled by adjusting the flow rate of the carburizing gas. Carbon potential of the furnace atmosphere can be related to partial pressure of CO2 or O2 or vapour pressure of water by equilibrium relationships and a sensor can be used to measure it. This method of carbon-potential control cannot be used for vacuum gas carburizing due to the absence of thermodynamic equilibrium which is one of the main difficulties of the vacuum carburizing process. The formation of soot during carburization isalso undesirable and the process parameters should be selected such that the formation of soot is minimized. The amount of carbon available for carburizing the steel depends on the partial pressure of the carburizing gas, carbon content in the carburizing gas and the pyrolysis reactions of the carburizing gas. The pyrolysis reactions of the carburizing gas are also affected by the contacting pattern or how the gas flows through and contacts with the steel parts being carburized. This work focuses on gaseous reactive flows in ideal and non-ideal reactors. The objective of this research is the development of models for the numerical simulation of homogeneous reactive flows under vacuum carburizing conditions of steel with ropane and acetylene. These models can be used for further investigations of heterogeneous reactions during vacuum carburizing of steel to predict the carbon flux on the complex shaped steel parts to understand and, eventually, optimize the behavior of the whole reactor. Two different approaches have been used to model the pyrolysis of propane and acetylene under vacuum carburizing conditions of steel. One approach is based on formal or global kinetic mechanisms together with the computational fluid dynamics (CFD) tool. The other approach is based on detailed chemistry with simplified or ideal flow models. Two global mechanisms developed at the Engler-Bunte-Institut for pyrolysis of propane and acetylene respectively were used in this work. One detailed mechanism developed at the Institute of Chemical Technology by the research group of Professor Deutschmann was used for modeling the pyrolysis of both the propane and acetylene. Experimental data from investigations on vacuum carburizing conducted at the Engler-Bunte-Institut were used to validate the modeling results.
    Keywords: TP155-156 ; carburizing ; gaseous reactive flows ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 25
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    Adaptive Umweltmodellierung für kognitive Systeme in offener Welt durch dynamische Konzepte und quantitative Modellbewertung (2022)
    KIT Scientific Publishing | KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: In this work, an approach for adaptive world modeling is proposed. World models for cognitive systems often employ predefined domain models, which may become insufficient when encountering unforeseen entities. The presented approach addresses an adaptive extension of such domain models, considering the relevance of proposed model adaptations. As a basis, a quantitative model evaluation is devised, rating the ability of a domain model to represent the currently observed environment state.
    Keywords: Umweltmodellierung ; quantitative Modellbewertung ; probabilistische Informationsverarbeitung ; Konzeptlernen ; kognitive Systeme ; world modeling ; quantitative model evaluation ; concept learning ; probabilistic information processing ; cognitive systems ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 26
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    Partielle Oxidation von o-Xylol zu Phthalsäureanhydrid : Keramische Schwämme als alternative Trägerstrukturen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Gegenstand der vorliegenden Arbeit war die Abschätzung des Potentials keramischer Schwämme als Katalysatorträger. Die dafür notwendigen Untersuchungen wurden mittels der partiellen Oxidation von o-Xylol zu Phthalsäureanhydrid durchgeführt. Im Rahmen der Arbeit wurden zum einen Festbettreaktoren mit Kugeln und Schwammpackungen rein theoretisch auf Grundlage einer Modellrechnung verglichen und zum anderen wurden eine Reihe experimenteller Untersuchungen in einer Laboranlage durchgeführt.
    Keywords: TP155-156 ; Modellierung ; Flammensprühpyrolyse ; Schwämme ; Phthalsäureanhydrid ; Vanadiumpentoxid ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 27
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    Zum Stofftransport schwer flüchtiger Additive in Polymerbeschichtungen - Untersuchungen mit Hilfe der konvokalen Mikro-Raman-Spektroskopie (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Schwerpunkt dieses Buchs ist es, den Einfluss von schwer flüchtigen Additiven auf die Mobilität von Lösemitteln zu quantifizieren sowie die Mobilität der Additive in Polymersystemen zu bestimmen. Ausgangspunkt hierfür war die Hypothese, dass sich Fick'sche Diffusionskoeffizienten einzelner Spezies in Polymersystemen durch Anpassung von Simulationsrechnungen an gemessene Beladungsprofile zu verschiedenen Zeitpunkten eines Konzentrationsausgleichsprozesses bestimmen lassen.
    Keywords: TP155-156 ; IMRS ; schwerflüchtige Additive ; Diffusion ; Trocknung ; Polymerbeschichtungen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 28
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    Reaktionskinetische Untersuchungen zur Umwandlung stickstoffhaltiger Gaskomponenten unter Bedingungen der Abfallverbrennung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die vorliegende Arbeit stellt einen detaillierten Reaktionsmechanismus zur Verfügung, der die Stickstoffoxidbildung aus brennstoffgebundenem Stickstoff in der Gasphase unter Bedingungen der Abfallverbrennung beschreiben kann. Der Mechanismus wurde mit Hilfe eigener Messungen an einem Kolbenströmungsreaktor sowie Daten aus der Literatur erarbeitet. Mit einem solchen detaillierten Modell können gezielt Einflussparameter auf die NOx-Bildung untersucht werden.
    Keywords: TP155-156 ; Reaktionskinetik ; Stickstoffoxid ; Abfallverbrennung ; Reaktionsmechanismus ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 29
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    Abbildende Ellipsometrie mit Lichtwegumkehrung für die optische Charakterisierung von gekrümmten Oberflächen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: Ellipsometry is a measuring method for surface characterization and thin-film measurement of flat surfaces using polarized light. However, a new measuring principle based on return-path ellipsometry and retroreflection enables the detection of free-form surfaces. This new measurement principle and related questions regarding the measurement function, evaluation algorithms and ambiguities as well as degrees of freedom of the solution set are examined in this work.
    Keywords: imaging; retroreflection; curved surface; ellipsometry; bildgebend; Retroreflexion; gekrümmte Oberfläche; Ellipsometrie; metrology; Messtechnik ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 30
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    In-situ H2O removal via hydorphilic membranes during Fischer-Tropsch and other fuel-related synthesis reactions (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The general objective of this thesis was to explore the potential of in-situ H2O removal during fuel-related synthesis reactions with focus on in-situ H2O removal by hydrophilic membranes and by chemical reaction. It is demonstrated that in-situ H2O removal through vapour permeation during CO2 hydrogenation to Fischer-Tropsch hydrocarbons and during DME/DEE synthesis leads to increased conversion and yield levels, which are directly linked to the degree of H2O recovery.
    Keywords: TP155-156 ; Fischer-Tropsch synthesis ; H2O removal ; membrane reactor ; water gas shift reaction ; CO2 hydrogenation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 31
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    Grundlegende Untersuchungen zur biotechnologischen Kultivierung von Schwämmen : Massenbilanzierung bei Aplysina aerophoba (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Grundlegende Untersuchungen zur biotechnologischen Kultivierung von Schwämmen am Modellorganismus A. aerophoba mit dem Ziel Aussagen über die quantitativen Anforderungen von Schwämmen unter ex situ Bedingungen zu beurteilen. Durch Bestimmung der quantitativen Randbedingungen sollten Vorschläge zur Auslegung einer Anlage zur Produktion von Schwammbiomasse unter artifiziellen Bedingungen abgeleitet werden. Marine Schwämme sind als Quelle zahlreicher neuer Naturstoffe in den Fokus gerückt.
    Keywords: TP155-156 ; Filtrationsraten ; Naturstoffe ; Aplysina aerophoba ; marine Schwämme ; Respirationsraten ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 32
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    Automatisierte, minimalinvasive Sicherheitsanalyse und Vorfallreaktion für industrielle Systeme (2022)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: Automated defense and prevention measures designed to protect industrial automation and control systems often compromise their real-time processing, resilience and redundancy. Therefore, they need to be performed as non-invasively as possible. Nevertheless, particularly minimally invasive security analysis and incident response are still poorly researched. This work presents solutions based on new semantic- and SDN-based approaches to some of the most important problems in these areas.
    Keywords: Sicherheitsanalyse; Ontologie; Software-defined Networking; Incident Response; Industrial Automation and Control Systems; security analysis; semantic web; ontology; software-defined networking; incident response; industrial automation and control systems ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 33
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    Enzyme reaction engineering for the conversion of emulsified di-rhamnolipid by free and immobilized Naringinase (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Process optimization was conducted for the conversion of the aggragate-building substrate di-rhamnolipid to mono-rhamnolipid by Alpha-L-rhamnosidase from Penicillium decumbens and resulting in: (I) selection of optimal reaction conditions for enzyme activity and stability, (II) modeling of the reaction time course assuming mixed aggregates as a second phase, and (III) high mass diffusion resistances were completely overcome by the use of non-porous magnetic enzyme micro-carriers.
    Keywords: TP155-156 ; mixed aggregates ; aggregate-building substrate ; Naringinase ; magnetic microbeads ; rhamnolipids ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 34
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    Über das Konkurrenzverhalten von Dielektrika bei der Mikrowellenerwärmung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Leistungsaufnahme einer Last in einem Mikrowellenprozess hängt entscheidend davon ab, ob andere Produkte oder auch die Anlage einen Teil der angebotenen Leistung abziehen. Ein solcher Zustand, in dem Produkte und die Anlage um die angebotene Mikrowellenleistung konkurrieren, wird in neuer Definition als Erwärmung unter Konkurrenz bezeichnet. In dieser Arbeit werden die Implikationen solcher Konkurrenzsituationen diskutiert und ein quantitative Lösung zu ihrer Beschreibung angeboten.
    Keywords: TP155-156 ; Effizienz ; Lebensmittel ; Mikrowellen ; Kakao ; Leistungsaufnahme ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 35
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    Wärmeübergang beim pulsierenden Prallstrahl (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Bei der rotationssymmetrischen Prallströmung strömt ein Fluid (hier: Luft) aus einer Düse mit kreisförmiger
    Keywords: TP155-156 ; Laser-Doppler-Anemometrie ; Strömungsfeld ; Thermographie ; Wärmeübergang ; Prallströhmung ; Numerische Strömungssimulation ; Pulsation ; Korrelation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 36
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    Application of diffractive lens arrays in confocal microscopy (2022)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: Diffractive lens arrays are proposed in this work for application in reflected-light confocal microscopes. They have overcome the limitations between fields of view and resolution of traditional objectives. Experiments of multi-spot confocal imaging in surface metrology and fluorescence microscopy have been demonstrated based on the proposed concepts, which have shown capabilities of high-resolution measurement over a large area.
    Keywords: diffraktives optisches Element; Konfokalmikroskopie; Fluoreszenzmikroskopie; Metrologie; 3D Messtechnik; diffractive optical element; confocal microscopy; fluorescence microscopy; metrology; 3D measurement technology ; 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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  • 37
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    Die partielle Oxidation von Propan zu Acrylsäure. Bestimmung der Reaktionskinetik und in-situ Charakterisierung des Katalysators unter Betriebsbedingungen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Gegenstand der vorliegenden Arbeit ist die partielle einstufige Oxidation von Propan zu Acrylsäure an einem oxidischen Multikomponentenkatalysator mit der Zusammensetzung Mo1V0,33Nb0,17Te0,25Ox. In der vorliegenden Arbeit stehen zwei Gesichtspunkte im Mittelpunkt: grundlegende Untersuchungen zur Reaktionskinetik und die in-situ Charakterisierung des Katalysators unter Betriebsbedingungen mittels Festkörperelektrolypotentiometrie.Die Reaktion sollte mit Hilfe eines möglichst einfachen Reaktionsnetzes und einfacher kinetischer Ansätze qualitativ und quantitativ beschrieben werden. Dabei war neben dem Einfluss der Temperatur, der Einfluss der Eingangsmolenbrüche von Propan, Sauerstoff und Wasser zu untersuchen und zu quantifizieren.Parallel wurde der Einfluss der Gasphasenzusammensetzung auf die Sauerstoffaktivität unter Betriebsbedingungen untersucht. Dabei wurde erwartet mit Hilfe der simultanen potentiometrischen und kinetischen Messungen Rückschlüsse auf die Wirkungsweise des Katalysators ziehen zu können.
    Keywords: TP155-156 ; Reaktionskinetik ; Chemische Reaktion / Katalyse ; Acrylsäure ; Katalytische Oxidation ; Propan ; Selektive Oxidation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 38
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    Biotechnologische Methoden zur Kultivierung von Schwämmen : grundlegende Untersuchungen zur ex-situ Kultivierung mariner Porifera (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Ziele der vorliegenden Arbeit waren die Entwicklung neuer und die Optimierung bereits angewendeter Methoden für eine dauerhafte ex-situ Kultivierung von Schwämmen als Lieferanten von pharmakologisch interessanten Naturstoffen. Verschiedene Kultivierungsparameter wurden hinsichtlich ihrer Auswirkungen auf die Vitalität und das Wachstum der Schwämme analysiert und vier Kultivierungsansätze getestet: Schwammfragmente, multizelluläre Reaggregate, Gemmulae & die Immobilisierung von Schwammzellen.
    Keywords: TP155-156 ; Aquakultur ; ex-situ Kultivierung ; mediterrane Schwämme ; Fragmentierung ; Immobilisierung ; Porifera ; Aplysina ; Gemmulae ; Suberites ; Schwammkultivierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 39
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    Experimentelle Analyse der Stabilisierungseigenschaften von abgehobenen eingeschlossenen nicht-vorgemischten Drallflammen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Subject of this work was the experimental investigation of an confined, lifted, non-premixed swirl flame by employing a novel airblast nozzle. For the time-resolved determination of all three velocity components, a measurement campaign was carried out using a commercial 3-D LDA system. Concentration and temperature measurements in the reacting field were also performed to better understand the complex turbulent and chemical interactions.
    Keywords: TP155-156 ; Abgehobene nicht-vorgemischte Drallflamme ; 3D-LDA ; drallinduzierte selbsterregte Instabilität. ; Airblast-Düse ; experimentelle Untersuchung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 40
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    Prozesstechnische Optimierung des Molecular Farming glykosylierter Proteine in Photo-Bioreaktoren mit dem Moos Physcomitrella patens (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: Moose sind in den letzten Jahren als interessante Expressionsplattform für rekombinante Proteine entdeckt worden. In dieser Arbeit wird ein Ansatz zur Produktion komplexer Glycoproteine mit dem Moos Physcomitrella patens in Photo-Bioreaktoren entwickelt und überprüft. Langfristige kontinuierliche Kultivierungen mit Perfusion sowie mit Steuerung der Moosmorphologie zeichnen sich als ein einfach skalierbares, vielversprechendes neues Verfahren für Molecular Farming ab.
    Keywords: TP155-156 ; Moos ; Photo-Bioreaktor ; Physcomitrella patens ; Molecular Farming ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 41
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    Ansätze zur lokalen Bayes’schen Fusion von Informationsbeiträgen heterogener Quellen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: The solution of various tasks benefits from information fusion or even requires it. The Bayesian fusion methodology is clear, well-founded and fulfills the essential requirements for a meaningful methodology also for fusing the contributions of heterogeneous information sources. In many practically relevant tasks, Bayesian methods cause high, often unacceptable effort. In the work, novel approaches to cope with Bayesian fusion in such situations are formulated and investigated.
    Keywords: Informationsfusion ; heterogene Informationsquellen ; Bayes’sche Theorie ; Prinzip der Maximalen Entropie ; Unsicherheit ; information fusion ; heterogeneous information sources ; Bayesian theory ; Maximum Entropy principle ; uncertainty ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 42
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    Extrusion von technischen ZSM-5-Kontakten und ihre Anwendung im MTO-Prozess (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In dieser Arbeit wurden technische Zeolithkatalysatoren (ZSM-5 + Binder) mittels Extrusion hergestellt und im Festbett-MTO-Prozess (Methanol-to-Olefins) getestet. Das Ziel war die Optimierung der Reaktionsbedingungen und des Katalysators, um möglichst hohe Selektivitäten zu Ethen und Propen sowie verbesserte Katalysatorstandzeiten zu erreichen.
    Keywords: TP155-156 ; Olefine ; Aluminiumphosphat ; ZSM-5 ; MTO ; Methanol ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 43
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    Entwicklung und Optimierung eines biotechnologischen Prozesses zur Herstellung mikrobieller Rhamnolipide auf Basis nachwachsender Rohstoffe (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Im Fokus dieser Arbeit steht die Entwicklung und Optimierung eines biotechnologischen Prozesses zur Herstellung von Rhamnolipiden auf Basis von nachwachsenden Rohstoffen. Ein Schwerpunkt lag hierbei auf der Entwicklung und Evaluierung einer Standardprozessführung, sowie eines auf einem Parallelbioreaktor basierenden, effizienten Screening-Systems. Ein Produk­tions­stammvergleich wurde durchgeführt. Zur Produktanalyse sollte FTIR-Spektroskopie als alternative Analysemethode eingesetzt werden.
    Keywords: TP155-156 ; ATR-FTIR ; Rhamnolipide ; Pseudomonas aeruginosa ; Biotenside ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 44
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    Anonymous Point Collection - Improved Models and Security Definitions (2022)
    KIT Scientific Publishing | KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: This work is a comprehensive, formal treatment of anonymous point collection. The proposed definition does not only provide a strong notion of security and privacy, but also covers features which are important for practical use. An efficient realization is presented and proven to fulfill the proposed definition. The resulting building block is the first one that allows for anonymous two-way transactions, has semi-offline capabilities, yields constant storage size, and is provably secure.
    Keywords: Anonymität ; Loyalitätssysteme ; Reputation Systems ; Loyalty Systems ; Payment Systems ; Privacy ; Reputationssysteme ; Bezahlsysteme ; 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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  • 45
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    Prozessintensivierung durch feldunterstützte Bioseparation : Elektrofiltration und in situ Magnetseparation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Bioseparation ist mitunter der kostenintensivste Teil der Bioproduktion. Daher sind Technologien nötig, die das Downstream processing vereinfachen. Die Magnetseparation und die Elektrofiltration sind Methoden, die durch externe Felder einen Trennschritt verbessern und somit die Raum-Zeit-Ausbeute des Verfahrensschritts erhöhen können. Die Anwendung der Magnetseparation als in situ Separationsmethode und der Elektrofiltration als Proteinfraktionierungstechnik wird in dieser Arbeit erörtert.
    Keywords: TP155-156 ; Elektrofiltration ; Magnetseparation ; Downstream processing ; Bioverfahrenstechnik ; Biotechnologie ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 46
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    Multimodal Panoptic Segmentation of 3D Point Clouds (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: The understanding and interpretation of complex 3D environments is a key challenge of autonomous driving. Lidar sensors and their recorded point clouds are particularly interesting for this challenge since they provide accurate 3D information about the environment. This work presents a multimodal approach based on deep learning for panoptic segmentation of 3D point clouds. It builds upon and combines the three key aspects multi view architecture, temporal feature fusion, and deep sensor fusion.
    Keywords: Temporal Fusion; Sensor Fusion; Semantic Segmentation; Panoptic Segmentation; Zeitliche Fusion; Semantische Segmentierung; Panoptische Segmentierung; Sensorfusion; Deep 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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  • 47
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    Porphyridium purpureum: Strukturierte Modellbildung und experimentelle Validierung der Stoffwechselreaktion auf Hell-Dunkel-Zyklen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Weit über 25.000 Arten von Mikroalgen stellen ein bislang kaum erschlossenes Potential für die Biotechnologie dar. Sie bilden vielfältige Produkte wie Farbstoffe, ungesättigte Fettsäuren, Polysaccharide und Antioxidanten mit interessanten Einsatzgebieten u.a. in der Lebensmittel- und Kosmetikindustrie. Pharmazeutisch wirksame Produkte aus Mikroalgen sind bekannt, aber noch unzulänglich untersucht. Um ihre Bildung näher verstehen und in größerem Maßstab (scale up) durch geeignete Auswahl von Kultivierungsparametern beeinflussen zu können, wird ein mathematisches Modell entwickelt, welches das Wachstum und die Produktbildung einer einzelligen Mikroalge Porphyridium purpureum abbildet.Die Validierung des entwickelten mathematischen Modells erfolgt durch den Einsatz von geeigneten experimentell gewonnenen Kultivierungsdaten der Mikroalge Porphyridium purpureum in Abhängigkeit von Kultivierungsparametern wie der Lichtquantität oder -qualität in einem am Institut für Mechanische Verfahrenstechnik und Mechanik entwickelten Photobioreaktor. Die experimentellen Untersuchungen zu Wachstum und Produktbildung der Mikroalge sowie die Modellierung ihrer Stoffwechselaktivität zur besseren Vorhersagbarkeit und zur Auslegung von Pilotanlagen stellen die beiden Hauptschwerpunkte dieser Arbeit dar.
    Keywords: TP155-156 ; Beleuchtung ; Mikroalgen ; Stoffwechsel ; Mathematisches Modell ; Porphyridium cruentum ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Electrofiltration of Biopolymers : Spatially Distributed Process Analysis (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: In biotechnology the current downstream processing trends are directed towards integrated, faster and more effective processes. Electrofiltration is a hybrid method which is a combination of membrane filtration and electrophoresis in a dead-end process. Spatially distributed process analysis together with the applicability of electrofiltration for technically important biopolymers such as PHB, chitosan and hyaluronic acid enables the implementation of the technology into industry.
    Keywords: TP155-156 ; separation ; process analysis ; biopolymers ; electrofiltration ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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    Eine agentenbasierte Architektur für Programmierung mit gesprochener Sprache (2022)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: The system described in this work, called ProNat, makes end-user programming with spoken language possible. It enables non-experts to describe programs for different target systems and to extend their functionality using everyday language. ProNat is based on PARSE, a specially designed agent-based framework architecture. In three independent studies, ProNat has proven to be principally capable of synthesizing programs from spoken utterances.
    Keywords: Computerlinguistik; Künstliche Intelligenz; Programmsynthese; Endnutzer-Programmierung; Softwaretechnik; Natural Language Processing; Artificial Intelligence; Program Synthesis; End-user Programming; Software Engineering ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 50
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    Nutzung von Blickbewegungen für die Mensch-Computer-Interaktion mit dynamischen Bildinhalten am Beispiel der Videobildauswertung (2024)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: Interaction with dynamic image content is challenging for user perception, cognition and motor action. This dissertation identifies appropriate gaze-based interaction techniques for moving object selection in image sequences using multiple cross-sectional and one longitudinal user study. Further investigations evaluate how gaze-based interaction and automated image exploitation algorithms support human video exploitation as well as whether gaze-based user task classification is feasible.
    Keywords: gaze-based task classification; automated image exploitation algorithms; moving object selection; eye gaze interaction; human-computer interaction; blickbasierte Aufgabenklassifikation; automatische Bildauswerteverfahren; Selektion bewegter Objekte; Blickinteraktion; Mensch-Computer-Interaktion ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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    Sulfur-tolerant natural gas reforming for fuel-cell applications (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: An attractive simplification of PEM-FC systems operated with natural gas would be the use of a sulfur tolerant reforming catalyst, but such a catalyst has not been available thus far. In this work it is demonstrated that a tailor made rhodium catalyst retains useful activity for typical sulfur levels in the feed. A brief economic comparison showed however that this alternative process is still less economical than the traditional process employing removal of sulfur components by adsorption.
    Keywords: TP155-156 ; natural gas ; reforming ; fuel cells ; sulfur ; hydrogen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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    Experimentelle Untersuchungen selbsterregter Druck-/Flammenschwingungen bei Wassereinspritzung in heizölbefeuerten Gasturbinenbrennkammern (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Eine mögliche angewandte Primärmaßnahme zur Reduzierung der NO-Emissionen bei Heizöl-Diffusionsflammen ist die Wassereinspritzung in die Flamme. Ein Nebeneffekt ist das spontane Auftreten selbsterregter Druckschwingungen. Die im Rahmen dieser Arbeit präsentierten Ergebnisse ermöglichen insgesamt die Vorhersage des Auftretens selbsterregter Druckschwingungen bei den untersuchten Drallbrennern und die Vermeidung dieser Schwingungen durch entsprechende Wahl der Betriebsparameter.
    Keywords: TP155-156 ; Wassereinspritzung ; Heizölverbrennung ; Druckschwingungen ; Diffusionsflamme ; Flammenpulsation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Verminderung der Verbackungsneigung von sprühgetrockneten laktosehaltigen Pulvern (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Bei der Herstellung von Molkepulver besteht die Schwierigkeit, dass die in dem Ausgangskonzentrat enthaltene gelöste Laktose während der Sprühtrocknung amorph erstarrt. Diese amorphe Form der Laktose ist instabil und kann bei zu feuchten oder warmen Bedingungen die Glasübergangstemperatur überschreiten und so klebrige Eigenschaften erhalten. Durch Nachkristallisationen konnten die Verbackungsneigungen der sprühgetrockneten laktosehaltigen Pulvern vermindert werden.
    Keywords: TP155-156 ; Lactose ; Einfriertemperatur ; Molkepulver ; Amorpher Zustand ; Zerstäubungstrocknung ; Kristallisation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Einfluss der Vermischung auf chemische Reaktionen im Taylor-Couette Reaktor am Beispiel der Polymerisation von Methacrylat (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In dieser Arbeit wurde der Taylor-Couette Reaktor hinsichtlich seiner Anwendbarkeit im kontinuierlichen Polymerherstellungsprozess des PMMA grundlegend charakterisiert. Es wurde der Einfluss der Vermischung auf ein polymerisierendes Reaktionssystem, bei dem es im kontinuierlichen Prozess zum Viskositätsanstieg kommt, untersucht. Die Variation der Prozessbedingungen und die Modellierung des Ablaufs der Polymerisationsreaktion stellen die Kernthemen dieser Arbeit dar.
    Keywords: TP155-156 ; Lösungspolymerisation von MMA ; Makro- und Mikrovermischung ; Taylor-Couette Reaktor ; Kontinuierliche Polymerisationsverfahren ; Polymerisationskinetik ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Einfluss gleich- und gegensinniger Drehrichtung der Verbrennungsluftströme auf die Stabilisierung turbulenter Deppeldrall-Diffusionsflammen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Verbrennungsluft der untersuchten Gasfilmdüse wird auf zwei Teilströme aufgeteilt, wobei der äußere Luftstrom den inneren konzentrisch umschließt. Daher steht als zusätzlicher Freiheitsgrad die gleich- oder gegensinnige Verdrallung der Einzelströme zur Verfügung.Die durchgeführten Experimente ergeben eine signifikante Erweiterung des Betriebsbereiches der Düse bei gegensinniger Verdrallung. Dies ist neben konvektivem Brennstoffttransport durch einen zusätzlichen Mündungswirbel maßgeblich auf die stabilere radiale Strömungsschichtung zurückzuführen.
    Keywords: TP155-156 ; Drallflamme ; Dralldüse ; Turbulente Strömung ; Boussinesq-Approximation ; Turbulente Verbr ; Diffusionsflamme ; Spannungstensor ; Drallstabilisierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Process Simulation of Technical Precipitation Processes - The Influence of Mixing (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: This work develops and shows up methods to tackle multi-scale challenges in particle formation during precipitation crystallization. Firstly, molecular, micro- and meso-scale interactions in confined impinging jet mixers are investigated and simulatively predicted. Secondly, to build up on developed methods, macroscale as present for instance in stirred tank reactors is added to the considerations.
    Keywords: TP155-156 ; precipitation ; Vermischung ; Simulation ; computational fluid dynamics ; Fluiddynamik ; mixing ; simulation ; Populationsbilanz ; Fällung ; population balance ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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  • 57
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    Untersuchung zur mikrobiologischen Stabilisierung von Emulsionen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Viele Lebensmittel wie Milch liegen in Form von
    Keywords: TP155-156 ; Emulsion ; mikrobiologische Stabilität ; Inaktivierung von Mikroorganismen in Emulsionen ; Sterilfiltration ; Membranemulgieren ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 58
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    Zum Stofftransport in Brennstoffzellenmembranen : Untersuchungen mit Hilfe der konfokalen Mikro-Raman-Spektroskopie (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Im Rahmen dieser Arbeit wurde die Pervaporation von Wasser und Alkohol durch Direkt-Alkohol-Brennstoffzellenmembranen aus Nafion mit Hilfe der konfokalen Mikro-Raman-Spektroskopie untersucht. Durch den Vergleich von gemessenen Beladungsprofilen mit Simulationsrechnungen wurden bei unterschiedlichen Pervaporationsraten Diffusionskoeffizienten und Phasengleichgewichtsdaten bestimmt.
    Keywords: TP155-156 ; DEFC ; Brennstoffzelle ; Alkohol-Crossover ; Nafion ; Membran ; DMFC ; Polymerfilm ; Methanol-Crossover ; Stofftransport ; Raman-Spektroskopie ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Untersuchungen zur Herstellung geträgerter mono- und bimetallischer Nanopartikel mithilfe von überkritischem CO2 (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Mono- and bimetallic nanoparticles were deposited onto different powdered supports by Supercritical Fluid Reactive Deposition (SFRD). Carbon dioxide was used as supercritical solvent and hydrogen as reduction agent. In order to optimize the production process unknown factors influencing the particle and product properties were extensively studied.
    Keywords: TP155-156 ; gold ; Überkritische Fluide ; Gold ; CO2 ; nanoparticle ; silver ; Nanopartikel ; SilberSupercritical fluids ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Slot die coating of lithium-ion battery electrodes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The Li-ion battery technology could help to accelerate the transition towards renewable energy sources. In the manufacturing chain, the electrode processing by slot die coating is one of the most crucial steps. Increased line speeds and reduced scrap rates could help decrease these costs. The scope of this work is therefore the scientific elaboration of the process limits of single and subdivided, simultaneous coated multilayer films, a minimizing of edge effects and intermittent coatings.
    Keywords: TP155-156 ; process windows ; coating ; lithium-ion batteries ; Dünnfilmtechnik ; Prozessfenster ; thin film technology ; Beschichtung ; Schlitzguss ; Lithium-ionen BatterienSlot die ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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    Über die Synärese kolloidaler Strukturen am Beispiel von Siliciumdioxid (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Silica is a naturally occuring solid substance with either a crystalline or amorphous structure. Industrially produced amorphous silica has a wide field of application. During the production process of amorphous silica, syneresis of the solid structures created occurs. In this work, the influences of the process parameters on syneresis are determined experimentally and a physically based model is proposed to describe syneresis.
    Keywords: TP155-156 ; Siliciumdioxid ; syneresis ; silica ; kolloidal ; Restrukturierung ; colloidal ; Synärese ; restructuring ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Umsetzung des datenschutzrechtlichen Auskunftsanspruchs auf Grundlage von Usage-Control und Data-Provenance-Technologien (2021)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: The ever-growing levels of complexity of modern information systems complicate the traceability of processed and stored personal data. The individual citizen is at the mercy of the systems. Data protection law tries to counteract this. The right to information is one instrument of data protection to establish transparency. This work critically evaluates the right to information and creates comprehensive technical preconditions for its exercise.
    Keywords: Datenschutz ; Auskunft ; Provenance ; Nutzungskontrolle ; Unverkettbarkeit ; Privacy ; Information Flow ; Usage Control ; Unlinkability ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 63
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    Drying, film formation and open time of aqueous polymer dispersions : an investigation of different aspects by rheometry and inverse-micro-raman-spectroscopy (IMRS) (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The application properties and the final coating properties of waterborne polymer dispersions are poor compared to the ones of polymer solutions with organic solvents. This is expressed by a short open time and by inhomogeneities and defects that are visible in the final dry coating.Aim of this work is an investigation and discussion of the different aspects that are responsible for the poor application and coating properties of aqueous latex dispersions by experiments and model calculations.
    Keywords: TP155-156 ; open time ; polymer dispersions ; film formation ; drying ; Raman spectroscopy ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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    Anomaliedetektion in räumlich-zeitlichen Datensätzen (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: Human support in surveillance tasks is crucial due to the overwhelming amount of sensor data. This work focuses on the development of data fusion methods using the maritime domain as an example. Various anomalies are investigated, evaluated using real vessel traffic data and tested with experts. For this purpose, situations of interest and anomalies are modelled and evaluated based on different machine learning methods.
    Keywords: spatio-temporal data; situation analysis; anomaly detection; räumlich-zeitliche Daten; Maritime Überwachung; Anomaliedetektion; maritime surveillance; Situationsanalyse; machine learning; Maschinelles Lernen ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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    Simulation of Turbulent Flows with and without Combustion with Emphasis on the Impact of Coherent Structures on the Turbulent Mixing (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The analysis of turbulent mixing in complex turbulent flows is a challenging task. The effective mixing of entrained fluids to a molecular level is a vital part of the dynamics of turbulent flows, especially when combustion is involved. The work has shown the limitations of the steady-state simulations and acknowledged the need of applying high-fidelity unsteady methods for the calculation of flows with pronounced unsteadiness promoted by large-scale coherent structures or other sources.
    Keywords: TP155-156 ; turbulente Strömungen ; Kohärente Strukturen ; combustion ; turbulent mixing ; coherent structures ; LES ; turbulente Mischung ; Verbrennungturbulent flows ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: English
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    Untersuchung der einstufigen Gasphasenhydrierung von Dimethylmaleat zur Hertellung von gamma-Butyrolacton, 1,4-Butandiol und Tetrahydrofuran (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Für die Herstellung von 1,4-Butandiol haben neben dem technisch ausgereiften Reppe-Prozess in den letzten Jahren neue Synthesetechnologien an Bedeutung gewonnen. Hierzu zählt die Gasphasenhydrierung von Dimethylmaleat, der Davy-Prozess.Vorteile sind die milden Reaktionsbedingungen und die kombinierte Herstellung von 1,4-Butandiol mit den Folgeprodukten g-Butyrolacton und Tetrahydrofuran. Gegenstand der vorliegenden Arbeit war die gezielte Vermeidung von ungewollter Polymerbildung bei der einstufigen Prozessführung der Gasphasenhydrierung von Dimethylmaleat. Zudem wurden mit einem Cu/ZnO/Al2O3-Katalysator detaillierte kinetische Messungen durchgeführt und eine qualitative und quantitative Beschreibung der Reaktionskinetik mit Hilfe eines möglichst einfachen Reaktionsnetzes realisiert.
    Keywords: TP155-156 ; Reaktionskinetik ; Gasphasenreaktion ; Katalytische Hydrierung ; Butandiole ; Butyrolactone ; Maleinsäureester ; Tetrahydrofuran ; Maleinsäuredimethylester ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Systematic Approaches to Advanced Information Flow Analysis – and Applications to Software Security (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: I report on applications of slicing and program dependence graphs (PDGs) to software security. Moreover, I propose a framework that generalizes both data-flow analysis on control-flow graphs and slicing on PDGs. This framework can be used to systematically derive data-flow-like analyses on PDGs that go beyond slicing. I demonstrate that data-flow analysis can be systematically applied to PDGs and show the practicability of my approach.
    Keywords: Programmabhängigkeitsgraphen; Slicing; Informationsflusskontrolle; Datenflussanalyse; Kontrollflussgraphen; program dependence graphs; slicing; information flow control data-flow analysis; control-flow graphs ; 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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  • 68
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    Nutzung des Zentrifugalkraftfeldes für die Vorhersage der Langzeitstabilität von kosmetischen Emulsionen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Bestimmung der Haltbarkeitsdauer kosmetischer Emulsionen ist von großem industriellen Interesse. Bisherige Verfahren zur Bestimmung der Stabilität von Emulsionen sind nur sehr bedingt auf langzeitstabile Emulsionen anwendbar.In dieser Arbeit wurde erstmals eine optische Zentrifuge zur Vorhersage der Langzeitstabilität von kosmetischen Emulsionen eingesetzt.Diese Methode erfordert keine Wiederholungsmessungen und wurde sowohl auf W/O- als auch auf O/W-Emulsionen angewandt.
    Keywords: TP155-156 ; Semantic Web ; Wissensmanagement ; Verbandstheorie ; Formale Begriffsanalyse ; Data Mining ; Terminologische Logik ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Fortgeschrittene Methoden zur Beschreibung der Wirbelschicht-Sprühgranulation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: A multiscale simulation model is developed by combining the CFD Simulation and the population balance equations to describe a transient process of fluidized bed spray granulation. In this model, the CFD simulation generates the particle growth and nucleation rates in consideration of fluid dynamics, drying and multiple interactions, such as drops deposition, dust integration and nucleation between different particles (drops, dust and granules).
    Keywords: TP155-156 ; CFD-Simulation ; Keimbildungsrate ; Partikel-Populationsbilanzen ; Wirbelschicht-Sprühgranulation ; Multiscale-Simulation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Integrierte Multi-Sensor-Fusion für die simultane Lokalisierung und Kartenerstellung für mobile Robotersysteme (2021)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: In this work, probabilistic methods for combining multiple sensors utilizing multi-sensor fusion for robust and precise localization and mapping in heterogeneous outdoor environments are presented. Aspects of increasing the reliability of landmark recognition are highlighted, as well as the integration of additional absolute and relative sensors using advanced filtering techniques.
    Keywords: Mobile Robotersysteme ; Multi-Sensor-Fusion ; Lokalisierung ; Kartierung ; SLAM ; Mobile robotic systems ; multi-sensor fusion ; localization ; mapping ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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    Proceedings of the 2020 Joint Workshop of Fraunhofer IOSB and Institute for Anthropomatics, Vision and Fusion Laboratory (2021)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: In 2020, the annual joint workshop of the Fraunhofer IOSB and the Vision and Fusion Laboratory of the KIT was hosted at the IOSB in Karlsruhe. For a week from the 27th to the 31st July the doctoral students of both institutions presented extensive reports on the status of their research and discussed topics ranging from computer vision and optical metrology to network security, usage control and machine learning. The results and ideas presented at the workshop are collected in this book.
    Keywords: KI ; maschinelles Lernen ; computer vision ; usage control ; Metrologie ; machine learning ; metrology ; 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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    Pyrolyse- und Aufkohlungsverhalten von C2H2 bei der Vakuumaufkohlung von Stahl (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Im Rahmen der Arbeit wurde das Zusammenwirken von Pyrolyse und Aufkohlungsverhalten von Ethin bei der Vakuumaufkohlung von Stahl untersucht. Es wurde aus Messdaten ein formalkinetisches Modell zur Beschreibung der Pyrolysereaktionen von Ethin unter typischen Aufkohlungsbedingungen aufgestellt. Aus experimentellen Untersuchungen mit einer Thermowaage konnten wichtige Erkenntnisse über das Aufkohlungsverhalten von Ethin und die gegenseitige Beeinflussung von Aufkohlung und Pyrolyse gezogen werden.
    Keywords: TP155-156 ; Rußbildung ; Aufkohlung ; Pyrolyse ; Acetylen ; Einsatzhärten ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Flash-Kristallisation : ein neues Verfahren zur Produktgestaltung kristalliner Güter (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: Die Notwenidgkeit immer flexibler auf Wünsche des Marktes reagieren zu können, erfordert geeignete Produktionsverfahren, mit denen verschiedenste Produkte mit unterschiedlichen Produktspezifikationen hergestellt werden können. Am Beispiel von Kaliumnitrat wurde sowohl im Labor als auch im Pilotassstab ein neuartiges Kristallisationsverfahren untersucht. Die Ergebnisse der Untersuchungen zeigen die Machbarkeit und Vorteile dieses neuen Verfahrens gegenüber den herkömmlichen Produktionsverfahren.
    Keywords: TP155-156 ; Prozessoptimierung ; Kaliumnitrat ; Produktgestaltung ; Kristallisation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 74
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    Interaktionstechniken für mobile Augmented-Reality-Anwendungen basierend auf Blick- und Handbewegungen (2022)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: Intuitive interaction techniques are essential for mobile augmented reality systems. For implicit interaction, this work presents techniques for automatic eye movement analysis and visualization. In the context of explicit interaction, a fusion of optical flow, skin color segmentation, and a hand pose estimator is presented along with a tracking method for localization and pose estimation of a hand in monocular color images.
    Keywords: Mensch-Maschine-Interaktion; Blickanalyse; Hand-Tracking; Handpose; Augmented Reality; human computer interaction; gaze analysis; hand tracking; hand pose; augmented reality ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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    Architectural Alignment of Access Control Requirements Extracted from Business Processes (2023)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: Business processes and information systems evolve constantly and affect each other in non-trivial ways. Aligning security requirements between both is a challenging task. This work presents an automated approach to extract access control requirements from business processes with the purpose of transforming them into a) access permissions for role-based access control and b) architectural data flow constraints to identify violations of access control in enterprise application architectures.
    Keywords: Software Engineering; Enterprise Architecture; Zugriffskontrolle; Geschäftsprozesse; Access Control; Business Processes ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists ; 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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    Probabilistic Parametric Curves for Sequence Modeling (2022)
    KIT Scientific Publishing | KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: This work proposes a probabilistic extension to Bézier curves as a basis for effectively modeling stochastic processes with a bounded index set. The proposed stochastic process model is based on Mixture Density Networks and Bézier curves with Gaussian random variables as control points. A key advantage of this model is given by the ability to generate multi-mode predictions in a single inference step, thus avoiding the need for Monte Carlo simulation.
    Keywords: Probabilistische Sequenzmodellierung ; Stochastische Prozesse ; Neuronale Netzwerke ; Parametrische Kurven ; Probabilistic Sequence Modeling ; Stochastic Processes ; Neural Networks ; Parametric Curves ; 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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    Mikroreaktorentwicklung und -charakterisierung zur Erschließung physikalisch-chemischer Parameter in der Proteinkristallisation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Inhalt dieser Arbeit ist die Entwicklung und Charakterisierung von Mikroreaktoren für die Kristallisation biologischer Makromoleküle, einem der Schlüsselprozesse in der aktuellen biotechnischen Forschung. Hauptziele waren die Bereitstellung neuartiger Technologieplattformen als kompakte wiederverwendbare Mikroreaktoren, deren physikalische und verfahrenstechnische Charakterisierung sowie die Überprüfung, inwieweit sich mikrostrukturierte Komponenten für den Einsatz in der Biokristallisation eignen. Die Entwicklung wurde hierbei in zwei Arbeitsabschnitte unterteilt: I) Batch-Mikroreaktor zur temperaturkontrollierten Kristallisation im Batch-Betrieb; II) Fluss-Mikroreaktor zur temperatur- und konvektionskontrollierten Kristallisation im kontinuierlichen Betrieb. Die thermische Charakterisierung der Mikroreaktoren umfasste die Analyse der Temperaturfelder und Erfassung dynamischer Parameter mithilfe von Pt-Dünnschichtsensoren und thermografischen Messungen. Die fluidischen Parameter wurden in Messungen zum Druckverlust, zur Verweilzeit- und Geschwindigkeitsverteilung ermittelt. 3D-FEM- bzw. CFD-Rechnungen dienten im Zuge der Designoptimierung zur Variantenstudie und Analyse experimentell unzugänglicher Bereiche. Experimente und Simulationen wurde anhand analytischer 1D-Modelle validiert. Untersuchungen zum temperaturkontrollierten Kristallwachstum von Modellproteinen zielten auf die Evaluierung des Mikroreaktorkonzepts und dessen Charakterisierung ab.Ein Ergebnis der Arbeit ist der Prototyp eines voll funktionsfähigen Batch-Mikroreaktors auf der Basis von Silizium-Mikrosystemtechnik und Dünnschichttechnologie zur temperaturkontrollierten Kristallisation kleiner Proteinmengen. Weiterhin gelang es durch Integration (mikro-) fluidischer Strukturen, das Mikroreaktorkonzept für den kontinuierlichen Betrieb zum Fluss-Mikroreaktor zu erweitern. Die Mikroreaktorsysteme erfüllen die thermischen und fluidischen Anforderungen der Biokristallisation. Die Temperierung ist im Bereich . = 5°C . 50°C exakt (.T 〈 ±0,1 K) und langzeitstabil (mehrere Tage). Die Einschwingzeiten (ô 〈 10 s) und Temperierraten (dT/dt 〉 ±3 s) erlauben Studien mit dynamischen Temperaturprotokollen. Im gesamten Flusssystem liegen laminare Bedingungen vor. Verweilzeitverhalten und Druckverlust (.p ¡
    Keywords: TP155-156 ; Proteine ; Reaktionstechnik ; Mikrosystemtechnik ; Simulation ; Mikroreaktor ; Kristallisation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Numerische Untersuchungen zur Stabilität nicht-vorgemischter, doppelt-verdrallter Flammen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Stabilität nicht-vorgemischter, doppelt-verdrallter Flammen wurde in der vorliegenden Arbeit mittels numerischer Methoden am Beispiel eines Gasturbinen-Modellbrenners untersucht. Die Ergebnisse der Simulationen erlauben es, den Mechanismus der Stabilisierung abzuleiten, und zeigen, dass die überlegene Zündstabilität der Gegendrallflamme aus einem wesentlich inhomogeneren Mischungsfeld mit einer stark vergrößerten Zone nahestöchiometrischer Gemischzusammensetzungen resultiert.
    Keywords: TP155-156 ; Modellierung ; Dralldüse ; Stabilitätsgrenze ; Reagierende Strömung ; Numerische Simulation ; Drallflamme ; Turbulente Mischung ; Turbulente Strömung ; Diffusionsflamme ; Turbulente Verbrennung ; Wärmeverlust ; Drallstabilisierung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Bildfolgenbasierte Gewinnung und Nutzung partikelindividueller Bewegungsinformation in der optischen Schüttgutsortierung (2022)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: Sensor-based sorting enables the separation of individual particles from a material stream. In this work, a novel sorting system using an area-scan camera is investigated. The use of high-speed cameras raises exciting research questions from a computer science perspective regarding the extraction and use of more advanced features, especially motion information about the materials to be sorted.
    Keywords: Sichtprüfung; sensorgestützte Sortierung; Multiobjekt-Tracking; Klassifikation; Optical inspection; sensor-based sorting; multiobject tracking; classification ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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  • 80
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    Modellierung kinetisch kontrollierter, turbulenter Flammen für Magerbrennkonzepte (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The design of technical combustion systems demands efficient as well as precise models correctly predicting the interaction of turbulence and combustion. Main focus of this work is to develop and evaluate turbulent combustion models applicable for the simulation of modern lean combustion concepts using gaseous or liquid fuels. Within this work these models are both validated on model flames and applied to technical systems.
    Keywords: TP155-156 ; CFD ; Verbrennungstechnik ; Brennkammer ; Reaktionsmodellierung ; Turbulenz ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 81
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    Stochastische Modellierung der Bildung von Nanopartikeln in reaktiven Strömungen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Soot formation in a laminar and a turbulent diffusion flame as well as the formation of iron oxide nanoparticles in an iron pentacarbonyl doped near stoichiometric H?/O?/Ar-premixed flame have been investigated numerically. The particular modus operandi of the simulated test cases is described. In the case of the turbulent flame the impact of the turbulent closure of the single particle source terms on particle size distribution is shown.
    Keywords: TP155-156 ; CFD ; Nanoparticles ; Turbulence ; reactive flows ; stochastic modelling ; Turbulenz ; stochastische Modellierung ; Nanopartikel ; reaktive Strömungen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 82
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    Numerische Simulation wirbeldynamischen Instabilitätsverhaltens turbulenter Vormischflammen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: This work contributes to an improved understanding of the driving mechanisms of the upstream propagation of turbulent premixed flames in enclosed vortex tubes within stationary gas turbine combustion systems. For this purpose, a Flamelet approach based on coupling a transport equation of the flame surface density with the description of laminar Flamelets to turbulent conditions is developed. This coupled approach enables the deduction of an explanation of this flashback phenomenon.
    Keywords: TP155-156 ; Flammenfrontoberflächendichte ; Verbrennungsinduziertes Wirbelaufplatzen ; Laminare Flamelets in turbulenter Strömung ; Flammenrückschlag ; Flame Surface Density ; Combustion induced vortex breakdown ; flame flashback ; laminar Flamelet to Turbulent Condition ; uRANS ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 83
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    Aromaten in Phospholipid-Doppelschichten. Molekulardynamische Simulationen und experimentelle Validierung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Ziel der Arbeit ist es, Vorgänge bei der Adsorption von gelösten Stoffen an hochstrukturierten Phospholipid-Membranen besser zu verstehen. Es wurden aromatische Stoffe als gelöste Stoffe ausgewählt, da diese in vielen Bereichen der Biologie, Pharmazie, Umweltwissenschaften und der Verfahrenstechnik eine bedeutende Rolle spielen.
    Keywords: TP155-156 ; Aromaten ; Phospholipide ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Consistent View-Based Management of Variability in Space and Time (2022)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: Developing variable systems faces many challenges. Dependencies between interrelated artifacts within a product variant, such as code or diagrams, across product variants and across their revisions quickly lead to inconsistencies during evolution. This work provides a unification of common concepts and operations for variability management, identifies variability-related inconsistencies and presents an approach for view-based consistency preservation of variable systems.
    Keywords: Softwaretechnik; Modellgetriebene Entwicklung; Variabilitätsmanagement; software engineering; model-driven engineering; variability management ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists ; 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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    Architectural Data Flow Analysis for Detecting Violations of Confidentiality Requirements (2022)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: Software vendors must consider confidentiality especially while creating software architectures because decisions made here are hard to change later. Our approach represents and analyzes data flows in software architectures. Systems specify data flows and confidentiality requirements specify limitations of data flows. Software architects use detected violations of these limitations to improve the system. We demonstrate how to integrate our approach into existing development processes.
    Keywords: Vertraulichkeit; Zugriffskontrolle; Informationsflusskontrolle; Datenflüsse; Softwarearchitektur; confidentiality; access control; information flow control; data flows; software architecture ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists ; 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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  • 86
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    Integriertes Verfahren zur Funktionalisierung der Oberfläche von gasgetragenen Partikeln durch MOCVS/MOCVD und dessen Anwendung auf die Herstellung von Pd/SiO2-Katalysatoren (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Das Ziel dieser Arbeit war die Entwicklung eines kontinuierlichen MOCVS/MOCVD-Verfahrens zur Generierung und Funktionalisierung von gasgetragenen, nanoskaligen Partikeln bei atmosphärischen Bedingungen und dessen Anwendung auf die Herstellung von Siliziumdioxid geträgerten Palladiumkatalysatoren (Pd/SiO2).
    Keywords: TP155-156 ; MOCVD-Verfahren ; Katalyse ; Funktionalisierung ; Siliziumdioxid ; Palladium ; Nanostrukturiertes Material ; Nanopartikel ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Auf metrischen und differentialgeometrischen Konzepten basierende neue mathematische Algorithmen zur Sensordatenfusion mit Anwendungen in der Faser-Bragg-Gitter-Formsensorik (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: In this work a Fiber Bragg grating (FBG) shape sensor for shape detection of flexible objects is presented. Such sensors are used particularly in medical technology. Although the subject of FBG sensor technology has been investigated and advanced by research groups worldwide since the beginning of the 21st century, no sensor concept has yet been able to establish itself on the market. This work focuses on the derivation of shape sensing algorithms to improve FBG-shape sensors.
    Keywords: Flexible Robotik ; Formsensorik ; Faser-Bragg-Gitter ; Flexible Robotics ; Shape Sensing ; Fiber-Bragg Grating ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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    Self-learning Anomaly Detection in Industrial Production (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-14
    Description: Configuring an anomaly-based Network Intrusion Detection System for cybersecurity of an industrial system in the absence of information on networking infrastructure and programmed deterministic industrial process is challenging. Within the research work, different self-learning frameworks to analyze passively captured network traces from PROFINET-based industrial system for protocol-based and process behavior-based anomaly detection are developed, and evaluated on a real-world industrial system.
    Keywords: Industrielles Steuerungssystem; Netzwerksicherheit; Netzwerk-Intrusion-Detection-System; Anomalieerkennung; selbstlernend; Industrial Control System; Network Security; Network Intrusion Detection System; Anomaly Detection; self-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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    Modifikation von statistischen Turbulenzmodellen zur verbesserten Beschreibung des turbulenten Geschwindigkeits- und Mischungsfeldes bei der Querstrahleinmischung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Untersuchungsobjekt dieser Arbeit ist der Strahl in Querströmung. Diese Strömungsart wird in vielen verfahrenstechnischen Anwendungen eingesetzt, um zwei Fluidströme ohne zusätzliche Einbauten, und somit einhergehenden geringen Strömungsverlusten, zu vermischen. Durch eine geeignete Modifikation der RANS Methodik soll diese für die quantitative Vorhersage des Strömungs- und Mischungsfeldes bei der Einmischung eines Strahls in eine Querströmung ertüchtigt werden.
    Keywords: TP155-156 ; Turbulenzmodell ; RANS ; Jet-In-Crossflow ; Querstrahleinmischung ; Mischung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Zur Lösemitteldiffusion in Polymernanoschichten: Schichtdicken- und Konzentrationsabhängigkeit (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Solution-casted polymer nanolayers are part of many technical applications. The solvent mass transport parameters are often unknown. However, they are a decisive factor for the determination of drying times, amounts of trace solvent, long-term stability and multilayer intermixing. By setting up a measurement system and conducting experimental and numerical investigations the difference in mass transport characteristics in micro- to nanoscale polymer layers is shown.
    Keywords: TP155-156 ; Nanoschichten ; Sorption ; Quartz-Crystal-Microbalance ; nanolayers ; Trocknung ; Diffusion ; sorption ; Quarz-Kristall-MikrowaageDrying ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    A Reference Structure for Modular Model-based Analyses (2024)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-05-09
    Description: In this work, the authors analysed the co-dependency between models and analyses, particularly the structure and interdependence of artefacts and the feature-based decomposition and composition of model-based analyses. Their goal is to improve the maintainability of model-based analyses. They have investigated the co-dependency of Domain-specific Modelling Languages (DSMLs) and model-based analyses regarding evolvability, understandability, and reusability.
    Keywords: Domain-specific modeling languages; Software Architecture; Internal software quality; Domänenspezifische Modellierungssprachen; Software Architektur; Interne Software Qualität ; 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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    Gasphasenumsetzung von Dimethylmaleat zu Tetrahydrofuran : Prozessintensivierung und Kinetik (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In the present study the single stage gas phase conversation of dimethyl maleate to tetrahydrofuran on Copper/zinc/alumina oxide was investigated. On the basis of kinetic measurements the kinetics was described and options for process intensification, specially the reduction of the hydrogen concentration, was demonstrated.
    Keywords: TP155-156 ; GasphasenumsetzungExtrudateTetrahydrofuranDimethylmaleat ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Implicit Incremental Model Analyses and Transformations (2021)
    KIT Scientific Publishing | KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: When models of a system change, analyses based on them have to be reevaluated in order for the results to stay meaningful. In many cases, the time to get updated analysis results is critical. This thesis proposes multiple, combinable approaches and a new formalism based on category theory for implicitly incremental model analyses and transformations. The advantages of the implementation are validated using seven case studies, partially drawn from the Transformation Tool Contest (TTC).
    Keywords: Incrementalization ; Model Analysis ; Model Transformation ; Synchronization Blocks ; Inkrementalisierung ; Modellanalyse ; Modelltransformation ; Synchronisierungsblöcke ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
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    Active Vision for Scene Understanding (2022)
    KIT Scientific Publishing | KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: Visual perception is one of the most important sources of information for both humans and robots. A particular challenge is the acquisition and interpretation of complex unstructured scenes. This work contributes to active vision for humanoid robots. A semantic model of the scene is created, which is extended by successively changing the robot's view in order to explore interaction possibilities of the scene.
    Keywords: Roboter ; Humanoide Robotik ; robots ; Robots ; humanoid robots ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
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    Feststoffbildung bei technischen Fällprozessen. Untersuchungen zur industriellen Fällung von Siliziumdioxid und Calciumcarbonat (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die industrielle Erzeugung von Massenprodukten aber auch von hochwertigen Spezialchemikalien erfolgt oftmals mithilfe von Fällprozessen.Die Kenntnis des Zusammenhangs zwischen den stoffsystemspezifischen Grundlagen und der technischen Feststofferzeugung ist jedoch mangelhaft und wird oftmals wenig verstanden. Ziel dieser Arbeit ist es daher, diese beschriebene Lücke zu schließen.
    Keywords: TP155-156 ; Aggregation ; Fällungskieselsäuren ; Sol-Gel-Verfahren ; Fällung ; Gelieren ; Fraktal ; Fraktale Dimension ; Fällungskristallisation ; Calciumcarbonat ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Die Vergasung von realer Biomasse in überkritischem Wasser. Untersuchung des Einflusses von Prozessvariablen und Edukteigenschaften (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Ein großer Teil der Restbiomasse fällt als nasses Edukt an. Von allen Alternativen zur Energiegewinnung aus nasser Biomasse (Wasseranteil 〉50 %) hat die Vergasung in überkritischem Wasser den besten Wirkungsgrad.Gegenstand dieser Arbeit ist die Untersuchung des Einflusses der Prozessvariablen (Temperatur, Druck, Verweilzeit) und der Vorbereitung des Eduktes (Konzentration, Zerkleinerungsgrad, Zusatz von Additiven und Herkunft) auf die Reaktionsgeschwindigkeit in einem kontinuierlichen Rohrreaktor.
    Keywords: TP155-156 ; Überkritischer Zustand ; Vergasung ; Wasser ; Biomasse ; Bioenergieerzeugung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    Systemanalytische Untersuchung zur Schnellpyrolyse als Prozessschritt bei der Produktion von Synthesekraftstoffen aus Stroh und Waldrestholz (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Schnellpyrolyse von Biomasse befindet sich noch in der technologischen Entwicklung. Es bestehen somit Wissensdefizite, die es bis jetzt noch nicht erlauben, das Verfahren zu bewerten oder gar in zukünftige Märkte einzuordnen. Im Mittelpunkt dieser Arbeit steht daher die Beantwortung nachfolgender Fragen:- Welche verfahrenstechnischen Unsicherheiten existieren beim jetzigen Entwicklungsstand? - Wie stellen sich die wesent­lichen technischen und ökonomischen Kenngrößen der Schnellpyrolyse von Stroh und Waldrestholz im kommerziellen Maßstab dar?
    Keywords: TP155-156 ; Schnellpyrolyse Biomasse Systemanalyse Synthesekraftstoffe BTL ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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    High-speed surface profilometry based on an adaptive microscope with axial chromatic encoding (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-14
    Description: An adaptive microscope with axial chromatic encoding is designed and developed, namely the AdaScope. With the ability to confocally address any locations within the measurement volume, the AdaScope provides the hardware foundation for a cascade measurement strategy to be developed, dramatically accelerating the speed of 3D confocal microscopy.
    Keywords: chromatisch ; konfokal ; 3D Messtechnik ; Mikroskopie ; chromatic ; confocal ; 3D measurement technology ; microscopy ; 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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    Über die Formalisierung und Analyse medizinischer Prozesse im Kontext von Expertenwissen und künstlicher Intelligenz (2023)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-05-13
    Description: Digitalization has already transformed many areas of the economy and social life. Aspects of healthcare and clinical practice are also undergoing digital transformation. In light of these developments, this dissertation sheds light on the acquisition, representation, and use of process knowledge in the context of hybrid AI methods. The central contribution is the structure-preserving back-and-forth transformation of process trees to process plans.
    Keywords: KI ; Expertenwissen ; Formalisierung ; Prozess ; Transformation ; AI ; Expert knowledge ; formalization ; process ; transformation ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation::UYAM Maths for computer scientists
    Language: German
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    Flüssigprozessierung von Multischicht-OLEDs aus kleinen Molekülen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Organic light-emitting diodes consist of several layers of organic molecules just a few nanometers thick. In future, it may become possible to change the manufacturing process from vacuum deposition to a cost-effective liquid processing. This theoretical and practical investigation focuses on the underlying processes, in particular coating and drying, as well as the factors influencing the separation of individual layers in multilayer systems consisting of small molecules.
    Keywords: TP155-156 ; Schlitzgießen ; diffusion ; knife coating ; DiffusionOLED ; Mehrschichtsysteme ; Trocknung ; slot die coating ; SMOLED ; multilayer ; solution process ; drying ; Flüssigprozessierung ; Rakelbeschichtung ; Kleine Moleküle ; OLED ; Multischichten ; small molecules ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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