Publikationen

2022

• Are greener start-ups of superior quality? The impact of environmental orientation on innovativeness, high-growth, and internationalization (PREPRINT)

  Neumann, T. (2022). Are greener start-ups of superior quality? The impact of environmental orientation on innovativeness, high-growth, and internationalization (PREPRINT). Journal of Innovation and Entrepreneurship. Abgerufen von https://doi. org/10.21203/rs.3.rs1557653/v1

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  This paper merges the literature on green and high-quality entrepreneurship by introducing environmental orientation as an unrecognised characteristic of start-up quality and the three quality dimensions innovativeness, high-growth, and internationalisation. Entrepreneurship literature argues that only highquality start-ups contribute to sustainable development and that a better understanding of what determines the quality of start-ups is required. Empirical research has recently shown that the environmental orientation of start-ups is one such determinant, as it significantly predicts their innovativeness. This paper pursues this novel research avenue on the importance of environmental orientation for start-up quality in two ways. First, this paper evaluates and extends this initial evidence on environmental orientation and innovativeness by examining a three times larger sample, covering additional countries and entrepreneurial stages. Second, this paper also analyses the impact of environmental orientation on the quality dimensions of high-growth and internationalisation. Investigation using Global Entrepreneurship Monitor data on 9,650 entrepreneurs from 51 countries revealed that start-ups with a higher environmental orientation are of superior quality regarding their innovativeness, growth expectations, and exports. These results remain robust for start-ups at different entrepreneurial stages, and tests employing different methodological approaches and variable definitions. However, the categorisation into factordriven, efficiency-driven, and innovation-driven countries showed that greener start-ups are more innovative in countries at all three levels of development, while the relationships with high-growth and internationalisation remained significant for only two of the three categories. The findings of this paper provide a new approach for practitioners to identify the small number of high-quality start-ups and an economic reason warranting intensified efforts to support green start-ups.

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  • Abteilung/Einrichtung

    • Jackstädt-Zentrum Flensburg (JZF)

  • Profilbereich

    • Start-up- und KMU-Management

  • Forschungsfeld

    • Entrepreneurship

  • Fachbereich

    • Fachbereich 4: Wirtschaft

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  • 2022
  • Journal Article
  • • Thomas Neumann

• Parametric optimization and comparative study of an organic Rankine cycle power plant for two-phase geothermal sources

  Chen, C., Witte, F., Tuschy, I., Kolditz, O., & Shao, H. (2022). Parametric optimization and comparative study of an organic Rankine cycle power plant for two-phase geothermal sources. Energy, 123910. http://doi.org/https://doi.org/10.1016/j.energy.2022.123910

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  For two-phase geothermal sources, Organic Rankine Cycle (ORC) based binary plant is often applied for power production. In this work, a network topology is designed with the open-source Thermal Engineering Systems in Python (TESPy) software to simulate the stationary operation of the ORC plant. With this topology, the performance of six different working fluids are compared. From the thermodynamic perspective, the gross and net power output are optimized respectively. Results show that R600 has the highest gross power output of 17.55 MW, while R245fa has the highest net power output of 12.93 MW. However, the turbine inlet temperatures for these two working fluids need to be designed at the upper theoretical limit. R245ca and R601a require the heat exchange rates of internal heat exchanger to be larger than 1.51 MW and 0.99 MW to satisfy the re-injection temperature limit, which are smaller than the R600 (6.7 MW) and R245fa (6.0 MW) cases. Besides, the working fluid with lower critical state is preferred for a geothermal source with smaller steam fraction to establish a stable ORC plant. The workflow for the ORC design and optimization in this work is generic, and can be further applied to thermo-economic investigation.

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    • Witte, Francesco
    • Tuschy, Ilja

  • Profilbereich

    • Erneuerbare Energien und nachhaltige Entwicklung

  • Forschungsfeld

    • Wärme

  • Fachbereich

    • Fachbereich 2: Energy and Life Science

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  • 2022
  • Journal Article
  • • Chaofan Chen
    • Francesco Witte
    • Ilja Tuschy
    • Olaf Kolditz
    • Haibing Shao
  • • Organic Rankine cycle (ORC)
    • Geothermal power plant
    • Two-phase geothermal sources
    • Design and optimization
    • Thermal engineering systems in python (TESPy)
    • OpenGeoSys (OGS)

• Solarthermisch gestützte Nah- und Fernwärmeversorgung als Baustein der sektorgekoppelten Wärmewende in Schleswig-Holstein (SolWW-SH).

  Freißmann, J., Fritz, M., & Tuschy, I. (2022). Solarthermisch gestützte Nah- und Fernwärmeversorgung als Baustein der sektorgekoppelten Wärmewende in Schleswig-Holstein (SolWW-SH). Forschungsergebnisse. Abgerufen von http://www.znes-flensburg.de/sites/default/files/projects/SolWW-SH_ZNES_Forschungsergebnisse_2020531.pdf

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    • Freißmann, Jonas
    • Fritz, Malte
    • Tuschy, Ilja

  • Profilbereich

    • Erneuerbare Energien und nachhaltige Entwicklung

  • Forschungsfeld

    • Wärme
    • Netzintegration

  • Fachbereich

    • Fachbereich 2: Energy and Life Science

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  • 2022
  • Journal Article
  • • Jonas Freißmann
    • Malte Fritz
    • Ilja Tuschy

• LSP Teacher Training Summer School . The TRAILs project

  Chateaureynaud, M.-A. (Hrsg.). (2022). LSP Teacher Training Summer School . The TRAILs project. Champs Didactiques Plurilingues : données pour des politiques stratégiques (Bd. 13, S. 280). Brüssel (Belgien): Peter Lang. http://doi.org/10.3726/b20096

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  This book is the result of research carried out in partnership with seven European universities as part of an Erasmus+ project on training teachers of Language for Specifi c Purpose (LSP) in higher education. All university partners, i.e. Bordeaux (France), Zagreb (Croatia), Jade (Germany), Cádiz (Spain), Adam Mickiewicz (Poland), Ljubljana (Slovenia), Arcola Research (UK), and Bergamo (Italy) carried out surveys and developed a detailed report showing that in Europe there is very little training for this type of teaching, and that teachers generally need to be trained in the specifi cities of the language fi eld they are going to teach. Medical or maritime English, legal Spanish, French for tourism, etc. require both an expert domain knowledge and a grounding in language teaching. Several testimonies highlight this situation and show the lack of career development prospects for LSP teachers at European universities. The members of the Erasmus+ TRAILs project have therefore been interested in the specifi c needs of LSP teachers and have been able to update the information through several types of surveys. The competences of LSP teachers were thus identifi ed. Based on this precise inventory, they are proposing to draw up a complete training programme. A pedagogical approach has been developed: resources, lesson preparation, course design, innovative pedagogical approaches are presented. The research presented in this book goes well beyond the TRAILs project and questions the training of specialised language teachers. More generally, it highlights the need to provide effective training and professional development for LSP teachers and offers a contribution to overcoming the shortcomings of LSP teacher education.

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    • CIVU – Center for Interaction, Visualization and Usability

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    • Informatik und Gestaltung

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    • Fachbereich 3: Information und Kommunikation

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  • 2022
  • Book
  • • Marie-Anne Chateaureynaud

• Geometry

  Clemens, A. (2022). Geometry.

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  Installation / Projektion

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    • Clemens, Angela

  • Profilbereich

    • Informatik und Gestaltung

  • Forschungsfeld

    • Kreativwirtschaft

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    • Fachbereich 3: Information und Kommunikation

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  • 2022
  • Artwork
  • • Angela Clemens

• Coupling the discrete element method and solid state diffusion equations for modeling of metallic powders sintering

  Ivannikov, V., Thomsen, F., Ebel, T., & Willumeit-Römer, R. (2022). Coupling the discrete element method and solid state diffusion equations for modeling of metallic powders sintering. Computational Particle Mechanics. http://doi.org/https://doi.org/10.1007/s40571-022-00486-6

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    • Thomsen, Fritz

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  • 2022
  • Journal Article
  • • Vladimir Ivannikov
    • Fritz Thomsen
    • Thomas Ebel
    • Regine Willumeit-Römer

• Real-Time control of a Modular Multilevel Converter via MATLAB/Simulink and EtherCAT fieldbus

  Fey, J.-H., Hinrichsen, F., & Mallwitz, R. (2022). Real-Time control of a Modular Multilevel Converter via MATLAB/Simulink and EtherCAT fieldbus. In 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) (S. 1–5). Kiel, Germany. http://doi.org/10.1109/PEDG54999.2022.9923196

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  This paper shows the possibility of using standardized communication system components to shorten the development time of complex power electronics converter control. It can be seen that the combination of MATLAB/Simulink with EtherCAT fieldbus is an excellent alternative to classical microcontroller-based solutions. Investigations were carried out on a modular multilevel converter topology (MMC), which was described in [1]. The elementary demands on the communication and control system, as well as the development process from simulation to implementation, are briefly reported. Finally, the performance of the overall system will be examined and the impacts of discrete signals and propagation delay on the Total Harmonic Distortion (THD) of the output voltage are discussed.

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    • Erneuerbare Energien und nachhaltige Entwicklung

  • Forschungsfeld

    • Wind

  • Fachbereich

    • Fachbereich 2: Energy and Life Science

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  • 2022
  • Conference Paper
  • • Jan-Henrik Fey
    • Frank Hinrichsen
    • Regine Mallwitz
  • • Multilevel converters
    • Total harmonic distortion
    • Process control
    • Power electronics
    • Real-time systems
    • Topology
    • Synchronization
    • EtherCAT fieldbus
    • MATLAB/Simulink
    • Real-Time control
    • Modular Multilevel Converter
    • MMC demonstrator

• Optimization of Astaxanthin Recovery in the Downstream Process of Haematococcus pluvialis

  Labes, A., Koopmann, I. K., Möller, S., Elle, C., Hindersin, S., Kramer, A., & Labes, A. (2022). Optimization of Astaxanthin Recovery in the Downstream Process of Haematococcus pluvialis. Foods. http://doi.org/10.3390/foods11091352

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  • 2022
  • Journal Article
  • • Antje Labes
    • Inga Koopmann
    • Simone Möller
    • Clemens Elle
    • Stefan Hindersin
    • Annemarie Kramer

• LSP Teacher Training Summer School . The TRAILs project

  Chateaureynaud, M.-A., & John, P. (Hrsg.). (2022). LSP Teacher Training Summer School . The TRAILs project. Champs Didactiques Plurilingues : données pour des politiques stratégiques (Bd. 13, S. 280). Brüssel (Belgien): Peter Lang. http://doi.org/10.3726/b20096

  Abstract

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  This book is the result of research carried out in partnership with seven European universities as part of an Erasmus+ project on training teachers of Language for Specifi c Purpose (LSP) in higher education. All university partners, i.e. Bordeaux (France), Zagreb (Croatia), Jade (Germany), Cádiz (Spain), Adam Mickiewicz (Poland), Ljubljana (Slovenia), Arcola Research (UK), and Bergamo (Italy) carried out surveys and developed a detailed report showing that in Europe there is very little training for this type of teaching, and that teachers generally need to be trained in the specifi cities of the language fi eld they are going to teach. Medical or maritime English, legal Spanish, French for tourism, etc. require both an expert domain knowledge and a grounding in language teaching. Several testimonies highlight this situation and show the lack of career development prospects for LSP teachers at European universities. The members of the Erasmus+ TRAILs project have therefore been interested in the specifi c needs of LSP teachers and have been able to update the information through several types of surveys. The competences of LSP teachers were thus identifi ed. Based on this precise inventory, they are proposing to draw up a complete training programme. A pedagogical approach has been developed: resources, lesson preparation, course design, innovative pedagogical approaches are presented. The research presented in this book goes well beyond the TRAILs project and questions the training of specialised language teachers. More generally, it highlights the need to provide effective training and professional development for LSP teachers and offers a contribution to overcoming the shortcomings of LSP teacher education.

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  • Personenseiten

    • John, Peter

  • Abteilung/Einrichtung

    • CIVU – Center for Interaction, Visualization and Usability

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    • Informatik und Gestaltung

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    • Fachbereich 3: Information und Kommunikation

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  • 2022
  • Book
  • • Marie-Anne Chateaureynaud
    • Peter John

• Quick Start - Programmieren lernen C#

  Cordts, S., & Nasutta, M. (2022). Quick Start - Programmieren lernen C#. mana-Buch Verlag.

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  • 2022
  • Book
  • • Sönke Cordts
    • Maren Nasutta