• Understanding electrical under- and overshoots in proton exchange membrane water electrolysis cells 

  Immerz, C.; Bensmann, B.; Trinke, P.; Suermann, M.; Hanke-Rauschenbach, R. (Bristol : IOP Publishing Ltd., 2019)

  Ability of dynamic operation seems to be an important feature of proton exchange membrane water electrolyzers (PEMWE) to become a relevant part of the future energy system. However, only few fundamental analyzes of the ...
• Software-Produktlinien agilisieren: Ein Transformationsmodell für groΒe Unternehmen = Making software product lines agile: A transformation model for large enterprises 

  Klünder, J.; Hohl, P.; Schneider, K. (Bonn : Gesellschaft für Informatik e.V. (GI), 2019)

  In der heutigen Zeit erfordert der Markt immer kürzer werdende Auslieferungszeiten von qualitativ hochwertiger Software. Dies geht mit kürzeren Entwicklungszyklen einher. Viele Ansätze zur Verbesserung des Softwareentwic ...
• Recent scientific research on electrothermal metallurgical processes 

  Baake, E.; Shpenst, V.A. (Saint-Petersburg : Saint-Petersburg Mining University, 2019)

  A wide range of industrial metallurgical heating and melting processes are carried out using electrothermal technologies. The application of electrothermal processes offers many advantages from technological, ecological ...
• Linking use cases and associated requirements: On the impact of linking variants on reading behavior 

  Karras, Oliver; Risen, Alexandra; Schneider, Kurt (Bonn : Gesellschaft für Informatik e.V. (GI), 2019)

  A wide variety of use case templates supports different linking variants. The main purpose of all linking options is to highlight the interrelationships between a use case and its associated requirements. Regardless of the ...
• Optimization of anodic porous transport electrodes for proton exchange membrane water electrolyzers 

  Bühler, Melanie; Hegge, Friedemann; Holzapfel, Peter; Bierling, Markus; Suermann, Míchel.; Vierrath, Severin; Thiele, Simon (Cambridge : Royal Society of Chemistry, 2019)

  In this study we investigate the potential of porous transport electrode (PTE) based membrane electrode assemblies (MEAs) for proton exchange membrane water electrolysis. The focus is on the overpotential determining anodic ...
• Positive affect through interactions in meetings: The role of proactive and supportive statements 

  Schneider, Kurt; Klünder, Jil; Kortum, Fabian; Handke, Lisa; Straube, Julia; Kauffeld, Simone (Bonn : Gesellschaft für Informatik e.V. (GI), 2019)

  Meetings often dominate software projects. Despite frequent dissatisfaction within meetings, many software engineers are not aware of the crucial importance about their behavior. This can set the tone for the entire project ...
• Elucidating the effect of mass transport resistances on hydrogen crossover and cell performance in PEM water electrolyzers by varying the cathode ionomer content 

  Trinke, P.; Keeley, G.P.; Carmo, M.; Bensmann, B.; Hanke-Rauschenbach, R. (Bristol : IOP Publishing Ltd., 2019)

  An important challenge for polymer electrolyte membrane (PEM) water electrolysis is to reduce the permeation of the produced gases. This crossover affects the cell efficiency and causes safety issues. The crossover increases ...
• Degradation of proton exchange membrane (PEM) water electrolysis cells: Looking beyond the cell voltage increase 

  Suermann, Michel; Bensmann, Boris; Hanke-Rauschenbach, Richard (Bristol : IOP Publishing Ltd., 2019)

  The degradation of proton exchange membrane water electrolysis cells is usually measured in a temporal increase of the cell voltage. Although this is sufficient to evaluate the stability of a system, it is less suitable ...
• 2nd Workshop on Innovative Software Engineering Education 

  Krusche, Stephan; Kuhrmann, Marco; Schneider, Kurt (Bonn : Gesellschaft für Informatik e.V. (GI), 2019)

  This workshop aims at presenting and discussing innovative teaching approaches in software engineering education, which are highly relevant for teaching at universities, colleges, and in online courses. The workshop focuses ...
• Maghemite Nanofluid Based on Natural Ester: Cooling and Insulation Properties Assessment 

  Olmo, C.; Mendez, C.; Ortiz, F.; Delgado, F.; Valiente, R.; Werle, P. (Piscataway, NJ : Institute of Electrical and Electronics Engineers Inc., 2019)

  The objective of this work is to study the effect that the addition of magnetic nanoparticles to a natural ester has on its properties and its cooling capacity. Some samples of ferrofluid (natural ester with maghemite) ...
• Normalization Techniques For Improving The Performance Of Knowledge Graph Creation Pipelines 

  Torabinejad, Mohammad (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2020)

  With the rapid growth of data within the web, demands on discovering information within data and consecutively exploiting knowledge graphs rise much more than we think it does. Data integration systems can be of great help ...
• Separating Algorithmic Thinking and Programming 

  Chandoo, Maurice (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)

  We show how the first steps of algorithmic thinking and programming can be trained separately. The learner is not assumed to have any prior experience. A general framework and a sequence of training tasks is described and ...
• Modellierung der Orthogonalen Magnetisierung auf Basis empirischer Materialuntersuchungen 

  Schulz, Ilka Elisa Marie (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2020-06-15)

  Im Laufe der vergangenen Jahre wurde umfangreicher Aufwand in die Forschung an leistungselektronischen Schaltungen und ihren Elementen investiert, um Leistung, elektrische Spannung und Taktfrequenz zu erhöhen und gleichzeitig ...
• Vorlesungsskript "Elektrische Energieversorgung" 

  Oswald, Bernd Rüdiger (Hannover : Universität Hannover, Institut für Energieversorgung und Hochspannungstechnik, 2005)

  Vorlesungsskripte zu "Elektrische Energieversorgung" von Prof. B. R. Oswald.
• Vorlesungsskript "Elektrische Netze" 

  Oswald, Bernd Rüdiger (Hannover : Universität Hannover, Institut für Energieversorgung und Hochspannungstechnik, 2005)

  Vorlesungsskripte "Elektrische Netze" von Prof. B.R. Oswald.
• Designing a Passively Damped Quasi-Two-Level-Operated Modular Multilevel Converter for Drive Applications 

  Kucka, Jakub; Mertens, Axel (Piscataway : Institute of Electrical and Electronics Engineers, 2020)

  This paper concentrates on the simplest quasi-two-level PWM operation mode for modular multilevel converters, where the internal currents within the converter are not controlled. The model of the converter is derived and ...
• Vorlesungsskript "Grundlagen der Elektrischen Energieversorgung" 

  Oswald, Bernd Rüdiger (Hannover : Leibniz Universität Hannover, Institut für Energieversorgung und Hochspannungstechnik, 2005-01-01)

  Vorlesungsskript zu "Grundlagen der Elektrischen Energieversorgung" von Prof. B. R. Oswald.
• Methods for detecting and mitigating linguistic bias in text corpora 

  Hube, Christoph (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)

  Im Zuge der fortschreitenden Ausbreitung des Webs in alle Aspekte des täglichen Lebens wird Bias in Form von Voreingenommenheit und versteckten Meinungen zu einem zunehmend herausfordernden Problem. Eine weitverbreitete ...
• Optimale Dimensionierung von dezentralen, regenerativen Energieversorgungssystemen in Quartieren 

  Wilke, Christoph (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)

  Gegenstand der vorliegenden Arbeit ist die modellgestützte Dimensionierung und Analyse von dezentralen Energiesystemen zur Versorgung von Quartieren, bestehend aus Wohn- und Nichtwohngebäuden, mit Strom und Wärme sowie ...
• Active feature acquisition for opinion stream classification under drift 

  Shivakumaraswamy, Ranjith; Beyer, Christian; Unnikrishnan, Vishnu; Ntoutsi, Eirini; Spiliopoulou, Myra (Aachen : RWTH, 2019)

  Active stream learning is frequently used to acquire labels for instances and less frequently to determine which features should be considered as the stream evolves. We introduce a framework for active feature selection, ...

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