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2020

First Eigenmodes Simulation Model of a Wind Turbine - for Control Algorithm Design

Jauch, C. (2020). First Eigenmodes Simulation Model of a Wind Turbine - for Control Algorithm Design. http://doi.org/10.13140/RG.2.2.17192.19204
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Jauch, Clemens

Abteilung/Einrichtung

Wind Energy Technology Institute
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2020

Report

Prof. Dr. Clemens Jauch

WETI
A gender issue? - How touch-based interactions with dynamic spatial objects support performance and motivation of secondary school students

Zander, S., Montag, M., Wetzel, S., & Bertel, S. (2020). A gender issue? - How touch-based interactions with dynamic spatial objects support performance and motivation of secondary school students. Computers & Education, 143, 103677. http://doi.org/https://doi.org/10.1016/j.compedu.2019.103677

Abstract

Mobile devices are seen to incorporate characteristics which can support learning and problem solving in general and specific abilities, such as spatial ones (e.g. mental rotation). Central relevant characteristics of these devices are the availability of multiple representations (e.g. dynamic and static) and the direct interaction via touch, pointing and tracing with displayed information. The primary aim of the present study was to investigate the effectiveness of direct interactive, dynamic interactions with spatial tasks on mobile devices as compared to purely static, non-interactive versions of the same tasks. We expected that dynamic, interactive tasks support mental processes while solving spatial tasks would be especially helpful for learners with difficulties in mental rotation and low expectancies regarding their spatial abilities. Therefore, the second focus of the study was to examine whether the expected beneficial effects of dynamic interactions were equally beneficial for both genders. This was motivated by previous studies that revealed gender differences in performance and motivational beliefs regarding spatial tasks to the disadvantage of females. We used a mixed within-between subject design with presentation format (static vs. dynamic) and gender (female vs. male) as factors and success rate, mental effort, intrinsic motivation, and frustration as dependent variables. The study was conducted in four classes (7th grade, N = 46) in two secondary schools. To test gender related pre-assumptions, spatial abilities and motivation were assessed before solving the actual rotation tasks. A MANOVA with single-comparison follow-up tests revealed increased success rates and decreased mental effort for both genders in the dynamic condition, whereas beneficial effects for intrinsic motivation and frustration were restricted to female students. Process data for rotation behavior was registered for dynamic tasks: an analysis hinted at more exploratory ways of solving spatial tasks for females and at more goal-oriented approaches for male students.
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Bertel, Sven

Abteilung/Einrichtung

CIVU – Center for Interaction, Visualization and Usability

Fachbereich

Fachbereich 3: Information und Kommunikation
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2020

Journal Article

Steffi Zander

Michael Montag

Stefanie Wetzel

Sven Bertel

Touch interaction

Dynamic representations

Spatial abilities

Gender differences

Motivation
C++ für Dummies

Willemer, A. (2020). C++ für Dummies (S. 464). Weinheim: Wiley-VCH.
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Willemer, Arnold

Fachbereich

Fachbereich 3: Information und Kommunikation
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2020

Book

Arnold Willemer
Ein Simulationsmodell zur Identifikation von Diffusionskoeffizienten anhand charakteristischer Kenngrößen aus Sinterexperimenten

Thomsen, F. (2020). Ein Simulationsmodell zur Identifikation von Diffusionskoeffizienten anhand charakteristischer Kenngrößen aus Sinterexperimenten. Technische Fakultät. Christian-Albrechts-Universität zu Kiel.
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Thomsen, Fritz
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2020

Thesis

Fritz Thomsen
Sustainability Prerequisites and Practices in Textile and Apparel Supply Chains

Warasthe, R., Schulz, F., Enneking, R., & Brandenburg, M. (2020). Sustainability Prerequisites and Practices in Textile and Apparel Supply Chains. Sustainability, 12. http://doi.org/10.3390/su12239960

Abstract

The proposed study deals with sustainable supply chain management (SSCM) in the textile and apparel (T&A) industry. We analyze prerequisites and practices of supply chain (SC) sustainability in a multiple case study of the German and Ethiopian T&A industry. Our analysis is based on ten semi-structured interviews conducted with the managers of seven companies in the Ethiopian T&A production and the German fair fashion retail industries. The contribution of expert knowledge helps in identifying SC sustainability prerequisites and practices. The chosen cases of production in Ethiopia and retail in Germany highlight the complexity of T&A SCs while representing both the suppliers’ and retailers’ perspectives, which is rare in the related literature. As a major research contribution, the study adapts a framework for SC sustainability in the chemical industry and transfers it to T&A SCs. Moreover, practitioners from the T&A industry find useful insights into relevant practices and their prerequisites, which helps in improving SC sustainability in this sector. The study reveals that management orientation and interest groups such as customers represent the most important prerequisites for sustainability. Manufacturers rely more on internal practices such as monitoring, while retailers focus on external sustainability practices, such as supplier development. In a comparative approach, similarities and differences between T&A SCs and the chemical industry are identified.
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Brandenburg, Marcus
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2020

Journal Article

Ronak Warasthe

Finja Schulz

Ralf Enneking

Marcus Brandenburg

2019

Impacts of stakeholder influences and dynamic capabilities on the sustainability performance of supply chains: a system dynamics model

Rebs, T., Thiel, D., Brandenburg, M., & Seuring, S. (2019). Impacts of stakeholder influences and dynamic capabilities on the sustainability performance of supply chains: a system dynamics model. Journal of Business Economics, 89, 893–926. http://doi.org/10.1007/s11573-019-00940- (Original work published 2025)

Abstract

Dynamic capabilities (DCs) are crucial for companies to attain competitive advantage in dynamic business environments and supply chains, where environmental and social aspects are considered by sustainable supply chain management (SSCM). However, the effects of stakeholder influences on SSCM performance, which results from the interplay of DCs and SSCM practices, need to be analyzed. Therefore, a system dynamics (SD) model is proposed to include the influences of governmental, shareholder, and other external stakeholder pressure. The system behavior, i.e., the company’s SSCM performance, can thus be analyzed in face of varying time delays of stakeholder influences. Findings indicate that different intensities of stakeholder influences affect the development of SSCM practices and DCs of a focal company, and thus, overall SSCM performance. Consequently, intensities of stakeholder influences should be managed accordingly, while the impact of time delays has to be understood to control SSCM performance. The insights gained from the model support the decision- and policy-making, which can be considered from the perspective of the focal company, the regulatory authorities, the shareholders, and other external stakeholders that ultimately translate into customer pressure.
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Brandenburg, Marcus
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2019

Journal Article

Tobias Rebs

Daniel Thiel

Marcus Brandenburg

Stefan Seuring

Sustainable supply chain management

Stakeholder influences

Dynamic capabilities

Practices

System
Application Level Performance Measurements of Multi-Connectivity Options in Cellular Networks for Vehicular Scenarios

Lübben, R., & Schwardmann, J. (2019). Application Level Performance Measurements of Multi-Connectivity Options in Cellular Networks for Vehicular Scenarios. In IEEE Local Computer Networks. http://doi.org/10.1109/LCN44214.2019.8990813 (Original work published 2025)
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Lübben, Ralf

Fachbereich

Fachbereich 4: Wirtschaft
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2019

Conference Paper

Ralf Lübben

Jens Schwardmann
IEA Wind Task 32: Wind Lidar

Clifton, A., & Schlipf, D. (2019). IEA Wind Task 32: Wind Lidar. http://doi.org/10.5281/zenodo.3482839 (Original work published 2025)
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Schlipf, David
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2019

Miscellaneous

Andrew Clifton

David Schlipf
Integration of Flow Temperatures in Unit Commitment Models of Future District Heating Systems

Boysen, C., Kaldemeyer, C., Hilpert, S., & Tuschy, I. (2019). Integration of Flow Temperatures in Unit Commitment Models of Future District Heating Systems. Energies, 12, 1061. http://doi.org/10.3390/en12061061 (Original work published 2025)
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Tuschy, Ilja

Fachbereich

Fachbereich 2: Energy and Life Science
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2019

Journal Article

Cynthia Boysen

Cord Kaldemeyer

Simon Hilpert

Ilja Tuschy
Wind turbine controller to mitigate structural loads on a floating wind turbine platform

Fleming, P. A., Peiffer, A., & Schlipf, D. (2019). Wind turbine controller to mitigate structural loads on a floating wind turbine platform. Journal of Offshore Mechanics and Arctic Engineering, 141. http://doi.org/10.1115/1.4042938 (Original work published 2025)
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Schlipf, David
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2019

Journal Article

Paul Fleming

Antoine Peiffer

David Schlipf

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2020

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