Publikationen

2019

• Hydropneumatisches Schwungrad zur Energiespeicherung

  Jauch, C. (2019). Hydropneumatisches Schwungrad zur Energiespeicherung.

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    • Jauch, Clemens

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  • 2019
  • Patent
  • • Prof. Dr. Clemens Jauch
  • • WETI

• Improving Readability of Text in Realistic Virtual Reality Scenarios: Visual Magnification Without Restricting User Interactions

  Knaack, L., Lache, A.-K., Preikszas, O., Reinhold, S., & Teistler, M. (2019). Improving Readability of Text in Realistic Virtual Reality Scenarios: Visual Magnification Without Restricting User Interactions. In Proceedings of Mensch Und Computer 2019 (S. 749–753). New York, NY, USA: Association for Computing Machinery. http://doi.org/10.1145/3340764.3344902

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  The resolution of current head-mounted displays leads to poor readability of text inrealistic virtual reality (VR) simulations. This results in unnatural user behavior. Here, three approaches for improving the readability of text in VR have been investigated:1) constantly magnifying a part of the screen (version "lens"), 2) magnifying sceneelements such as signs depending on the gaze direction (version "magnify") and3) augmenting the scene by adding floating texts (version "AR"). These approaches havebeen implemented as prototypes and tested by twelve users, using a virtual supermarketas an exemplary VR scene. The participants filled out a questionnaire, rating theirexperience with the different approaches. Additionally, the time required for readinggiven texts (price tags) has been measured and compared for each approach. With theAR version, the reading time was significantly shorter than the reading time without anyaids. The other versions offered no advantages. The AR version was also rated best in thequalitative evaluation. However, the other versions offer potential for improvement, which can be addressed in future research.

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    • Teistler, Michael

  • Abteilung/Einrichtung

    • CIVU – Center for Interaction, Visualization and Usability

  • Fachbereich

    • Fachbereich 3: Information und Kommunikation

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  • 2019
  • Conference Paper
  • • Lars Knaack
    • Ann-Karolin Lache
    • Oliver Preikszas
    • Sascha Reinhold
    • Michael Teistler
  • • realistic simulation
    • readability
    • Virtual Reality
    • magnification
    • usability
    • head-mounted display

• Namibia State of Logistics 2018 Report

  Oelze, N. (2019). Namibia State of Logistics 2018 Report. Windhoek: Namibian-German Centre for Logistics. Abgerufen von http://www.wbcg.com.na/wp-content/uploads/2019/03/2018-Namibia_of_State_of_Logistics-Report.pdf

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  This is the first annual state of logistics report for Namibia - Namibia State of Logistics Report 2018 or NSoL in short. The report provides a comprehensive review of the current state of logistics in Namibia, with a focus on the macroeconomic environment as well as domestic and international logistics performance. The necessity to examine logistics performance derives from the notion that a competitive and efficient logistics sector is vital for Namibia’s economy and is a vital component of trade and development. Thus, the NSoL report 2018 documents the size and contribution of logistics, its linkages to business cycles and the consequences of regulation, policies and decisions which affect its performance.

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    • Fachbereich 4: Wirtschaft

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  • 2019
  • Report
  • • Nelly Oelze

• Elektrizitätsnetzgekoppelte Fernwärmeversorgung 2020 - Untersuchung von Flexibilitätsoptionen in der Wärmeversorgung.

  Boysen, C., Kaldemeyer, C., & Tuschy, I. (2019). Elektrizitätsnetzgekoppelte Fernwärmeversorgung 2020 - Untersuchung von Flexibilitätsoptionen in der Wärmeversorgung. Forschungsergebnisse, 9.

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    • Tuschy, Ilja

  • Profilbereich

    • Erneuerbare Energien und nachhaltige Entwicklung

  • Forschungsfeld

    • Wärme
    • Netzintegration

  • Fachbereich

    • Fachbereich 2: Energy and Life Science

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  • 2019
  • Journal Article
  • • Cynthia Boysen
    • Cord Kaldemeyer
    • Ilja Tuschy

• Determination of biogas process efficiency - a practice-oriented alternative to the biomethane potential test.

  Casaretto, R., Thomsen, F., Born, J., & Holm-Nielsen, J. B. (2019). Determination of biogas process efficiency - a practice-oriented alternative to the biomethane potential test. Bioresource Technology Reports, 7. http://doi.org/10.1016/j.biteb.2019.100201

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    • Thomsen, Fritz

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  • 2019
  • Journal Article
  • • René Casaretto
    • Fritz Thomsen
    • Jens Born
    • Jens Holm-Nielsen

• WPF in C# für Anfänger

  Cordts, S., & Nasutta, M. (2019). WPF in C# für Anfänger. mana-Buch Verlag.

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  • Fachbereich

    • Fachbereich 4: Wirtschaft

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  • 2019
  • Book
  • • Sönke Cordts
    • Maren Nasutta

• Potential of AR for the Analysis and Training of Spatial Skills: A Case Study

  Dohse, F., Nicolaisen, V., Wetzel, S., & Bertel, S. (2019). Potential of AR for the Analysis and Training of Spatial Skills: A Case Study. In Proceedings of Mensch Und Computer 2019 (S. 537–541). New York, NY, USA: Association for Computing Machinery. http://doi.org/10.1145/3340764.3344453

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  Good spatial skills are of particular importance in STEM domains. For the training of spatial skills, smartphones provide a promising platform because of their high dissemination. Additionally, new frameworks make it easy to develop and use augmented reality (AR) contents. To examine the potential of AR for the training of spatial skills, we developed a prototype of a smartphone app for the solving of cross section tasks.The prototype was tested in a user study with 32 university students. It was compared against a second prototype with a classical Arcball interaction. For both prototypes, success rates were equally high. However, 3D-objects could be rotated faster using the AR-app. For the AR-app, participants reported higher scores regarding innovation and motivation but also for physical demands. This is especially interesting because motor activity and spatial skills are highly connected. Therefore, the physical approach might be promising for the development of spatial skill training apps which might lead to good long-term training results.

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  • Personenseiten

    • Bertel, Sven

  • Abteilung/Einrichtung

    • CIVU – Center for Interaction, Visualization and Usability

  • Fachbereich

    • Fachbereich 3: Information und Kommunikation

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  • 2019
  • Conference Paper
  • • Friedemann Dohse
    • Vera Nicolaisen
    • Stefanie Wetzel
    • Sven Bertel
  • • augmented reality
    • Grundlagen adaptiver Lernsysteme
    • R aumliches Vorstellungsverm ogen
    • Usability-Studie
    • Schnittbilder

• Hydraulic-pneumatic flywheel configurations for controlling the inertia of a wind turbine rotor

  Jauch, C., Hippel, S., & Ritschel, U. (2019). Hydraulic-pneumatic flywheel configurations for controlling the inertia of a wind turbine rotor. Wind Engineering, 43(2), 19. http://doi.org/10.1177/0309524X18780386

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    • Jauch, Clemens

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  • 2019
  • Journal Article
  • • Prof. Dr. Clemens Jauch
    • S. Hippel
    • U. Ritschel
  • • WETI

• An Odd Couple: Loss-Based Congestion Control and Minimum RTT Scheduling in MPTCP

  Lübben, R., & Morgenroth, J. (2019). An Odd Couple: Loss-Based Congestion Control and Minimum RTT Scheduling in MPTCP. In IEEE Local Computer Networks. http://doi.org/10.1109/LCN44214.2019.8990831

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    • Lübben, Ralf

  • Fachbereich

    • Fachbereich 4: Wirtschaft

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  • 2019
  • Conference Paper
  • • Ralf Lübben
    • Johannes Morgenroth

• Large Scale Test Bench for Emulating Grid Connected Wind Turbines of Different Sizes

  Rohr, A., & Jauch, C. (2019). Large Scale Test Bench for Emulating Grid Connected Wind Turbines of Different Sizes. 2019 IEEE 13th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG). http://doi.org/10.1109/CPE.2019.8862408

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    • Jauch, Clemens

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  • 2019
  • Conference Proceedings
  • • A. Rohr
    • Prof. Dr. Clemens Jauch