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CFD Study of an Offshore Wind Turbine in Maintenance Conditions

In: High Performance Computing in Science and Engineering '20

Author

Listed:
  • Marion Cormier

    (University of Stuttgart, Faculty 6, Institute of Aerodynamics and Gas Dynamics)

  • Patrick Letzgus

    (University of Stuttgart, Faculty 6, Institute of Aerodynamics and Gas Dynamics)

  • Thorsten Lutz

    (University of Stuttgart, Faculty 6, Institute of Aerodynamics and Gas Dynamics)

  • Ewald Krämer

    (University of Stuttgart, Faculty 6, Institute of Aerodynamics and Gas Dynamics)

Abstract

In the present study, CFD simulations of the flow around a multi-MW offshore wind turbine in maintenance position are analysed. Fully-resolved Detached Eddy Simulations of a standstill wind turbine, oriented in the L-position, are performed. Three cases are considered, covering an isolated wind turbine at the rated wind speed and isolated and non-isolated wind turbines at the cut-off wind speed. The flow physics are analysed in the hovering and approach regions of maintenance helicopters. The analysis of the turbulence kinetic energy and the flow inclination angle show no particularly high perturbations at the rated wind speed. At the high wind speed, high variations of the turbulence kinetic energy and of the inclination angle are observed for the approach manoeuvre in the wake of the nacelle.

Suggested Citation

  • Marion Cormier & Patrick Letzgus & Thorsten Lutz & Ewald Krämer, 2021. "CFD Study of an Offshore Wind Turbine in Maintenance Conditions," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '20, pages 435-449, Springer.
    • Handle: RePEc:spr:sprchp:978-3-030-80602-6_28
    DOI: 10.1007/978-3-030-80602-6_28
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