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Simulations of Unsteady Aerodynamic Effects on Innovative Wind Turbine Concepts

In: High Performance Computing in Science and Engineering ´16

Author

Listed:
  • Annette Fischer

    (Institute of Aerodynamics and Gas Dynamics)

  • Levin Klein

    (Institute of Aerodynamics and Gas Dynamics)

  • Thorsten Lutz

    (Institute of Aerodynamics and Gas Dynamics)

  • Ewald Krämer

    (Institute of Aerodynamics and Gas Dynamics)

Abstract

Unsteady aerodynamics of a novel two-bladed wind turbine and a three-bladed wind turbine equipped with an innovative load reduction concept are investigated in the present paper using Computational Fluid Dynamics (CFD). The load reduction concept consists of coupled leading and trailing edge flaps. Unsteady aerodynamic effects caused by flap deflection are shown and a suitable temporal discretization for efficient simulation of coupled leading and trailing edge flaps is found. The behavior of the two-bladed turbine regarding the aerodynamic loads under extremely yawed conditions is presented and associated to the local flow conditions. The results of the studies allow a better prediction and understanding of unsteady aerodynamics of wind turbines.

Suggested Citation

  • Annette Fischer & Levin Klein & Thorsten Lutz & Ewald Krämer, 2016. "Simulations of Unsteady Aerodynamic Effects on Innovative Wind Turbine Concepts," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering ´16, pages 529-543, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-47066-5_36
    DOI: 10.1007/978-3-319-47066-5_36
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