Dr.-Ing. Stefan Hoerner

Institut für Strömungstechnik und Thermodynamik (ISUT)
Universitätsplatz 2, 39106 Magdeburg, G14-111
  • since 2020 Research Associate Group Lead Turbomachinery
  • 2014-2020 Research Assistant
  • since 1993 Freelance work


  • 2014-2020 German-French PhD joint supervision University Magdeburg with LEGI, Grenoble, France
  • 2016-2017 Research stay at LEGI, Grenoble France
  • 2015 Visiting researcher at LEGI, Grenoble France
  • 2012-2014 M.Sc. Electrical Energy Technology, Specialization: Renewable Energy, Otto-von-Guericke-University
  • 2012-2014 M.Sc. Sustainable Energy Systems, Specialization: Energy conversion in fluid, Otto-von-Guericke-University
  • 2008-2012 B. Eng. Mechanical Engineering, Specialization: Design and simulation, University of Applied Sciences Magdeburg


  • Turbomachinery: Lecture, Exercise and practical training
  • Fluid mechanics: Exercise
  • Mesurement techniques: Practical training in velocity measurement


  • Bioinspiration
  • Adaptive structures, fluid-solid-interaction
  • Experimentally based optimization methods
  • Hydokinetic turbines
  • Turbine-Generator Interaction
  • Renewable energies/sustainable hydropower
  • Open-source engineering methods & tools

Current projects

Completed projects

Awards & Scholarships

  • Dissertation Award 'Prix européen' 2021 Deutsch-Französische Hochschule
  • PhD scholarship Rosa Luxemburg Foundation 2014-2016
  • Student scholarship Rosa Luxemburg Foundation 2009-2014


Open Source Software:



Hoerner, S., Kösters, I., Vignal, L., Cleynen, O., Abbaszadeh, S., Maître, T. and Thévenin, D., Cross-flow tidal turbines with highly flexible blades – Experimental flow field investigations at strong Fluid-Structure-Interactions. Energies 14, (2021) 797/1-17. doi: 10.3390/en14040797

Powalla, D., Hoerner, S., Cleynen, O., Müller, N., Stamm, J. and Thévenin, D., A Computational Fluid Dynamics model for a Water Vortex Power Plant as platform for etho- and ecohydraulic research. Energies 14, (2021) 639/1-14. doi: 10.3390/en14030639

Cleynen, O., Engel, S., Hoerner, S. and Thévenin, D., Optimal design for the free-stream water wheel: A two-dimensional study. Energ. 214, (2021), doi: 118880/1-11.10.1016/j.energy.2020.118880

Hoerner, S., Bonamy, C., Cleynen, O., Maître, T. and Thévenin, D., Darrieus vertical-axis water turbines – Deformation and force measurements on bioinspired highly-flexible blade profiles. Exp. Fluids 61, (2020) 141/1-17. doi: 10.1007/s00348-020-02970-2

Abbaszadeh, S., Hoerner, S., Maître, T. and Leidhold, R., Experimental investigation of an optimized pitch control for a Vertical Axis Turbine. Renew. Power Gen.13 (16), (2019), 3106-3112, doi: 10.1049/iet-rpg.2019.0309

Hoerner, S. and Bonamy, C., Structured-light based surface measuring for application in fluid-structure interaction. Exp. Fluids 60(168), (2019) 1-15. doi: 10.1007/s00348-019-2821-3

Hoerner, S., Abbaszadeh, S., Maître, T., Cleynen, O. and Thévenin, D., Characteristics of the fluid-structure interaction within Darrieus water turbines with highly flexible blades. J. Fluids Struct. 88, (2019) 13-30. doi: 10.1016/j.jfluidstructs.2019.04.011

Müller, S., Cleynen, O., Hoerner, S., Lichtenberg, N. and Thévenin, D., Numerical analysis of the compromise between power output and fish-friendliness in a vortex power plant. J. Ecohydraul., (2019) 1-13. doi: 10.1080/24705357.2018.1521709

Cleynen, O., Kerikous, E., Hoerner, S. and Thévenin, D., Characterization of the performance of a free-stream water wheel using computational fluid dynamics. Energ. 165, (2018) 1392-1400., doi:10.1016/j.energy.2018.10.003

Cleynen, O., Hoerner,S., Thévenin,D., Characterization of Hydraulic Power in Free-Stream Installations, International Journal of Rotating Machinery, vol. 2017, (2017). doi:10.1155/2017/9806278


Cleynen,O., Hoerner, S. and Thévenin,D., Performance mapping of ducted free-stream hydropower devices, Sustainable Hydraulics in the Era of Global Change, (Erpicum et al., Eds.), Taylor & Francis Group, London, ISBN 978-1-138-02977-4, 284-289 (2016)

Conference contributions:

Hoerner, S., Abbaszadeh, S., Maître, T., Vignal, L., Weber, C.T., Leidhold R., and Thévenin, D., Experimental evaluation of the behavior of highly flexible structures in vertical-axis water turbines, The 17th International Conference on Fluid Flow Technologies, 2018, September, 1-6, Budapest, Hungary

Hoerner, S., Maître, T., Bonamy, C., and Thévenin, D.,
Fluid-structure-interaction of a flexible composite hydrofoil in forced rotational oscillation motion, Proceedings of 9th International Symposium on Fluid-Structure Interactions,
Flow-Sound Interactions, Flow-Induced Vibration & Noise}, 2018, July 8-11, Toronto, Ontario, Canada

Hoerner, S., Abbaszadeh, S., Maître, T., Weber, C.T, Leidhold ,R. and Thévenin, D., The effect of the reduced frequency on oscillating flexible hydrofoils, SHF/ASM Conference on hydraulic machines and cavitation, November 2017, Paris, France, https://hal.archives-ouvertes.fr/hal-01787118

Hoerner, S., Bonamy, S., Maître, T., Cleynen O., and Thévenin, D., Strongly-coupled fluid-structure-interaction with large deformations on a flexible hydrofoil under forced oscillation, 12th OpenFOAM Workshop, 2017, Exeter, UK, https://hal.archives-ouvertes.fr/hal-01685286v1

Hoerner, S., Challenges in code development for fluid-structure-interaction simulations in rotating machinery, CCP-WSI Code Developers Workshop, 2017, Exeter, UK

Cleynen, O., Kerikous, E., Hoerner, S., and Thévenin, D., Influence of flotation bodies on the power characteristics of a free-stream water wheel, 9th International Conference on Computational & Experimental Methods in Multiphase & Complex Flow, 2017, June 20-22, Tallinn, Estonia

A full reference list of the lab can be found under Research

Last Modification: 08.02.2021 - Contact Person: Dr.-Ing. Stefan Hoerner