Institute of Physics, Carl von Ossietzky University Oldenburg, Küpkersweg 70, 26129 Oldenburg, Germany
Aerodynamics and Numerical Wind Energy Meteorology, Fraunhofer Institute for Wind Energy Systems – Fraunhofer IWES, Küpkersweg 70, 26129 Oldenburg, Germany
Laura J. Lukassen
Institute of Physics, Carl von Ossietzky University Oldenburg, Küpkersweg 70, 26129 Oldenburg, Germany
ForWind, Institute of Physics, Carl von Ossietzky University Oldenburg, Küpkersweg 70, 26129 Oldenburg, Germany
Aerodynamics and Numerical Wind Energy Meteorology, Fraunhofer Institute for Wind Energy Systems – Fraunhofer IWES, Küpkersweg 70, 26129 Oldenburg, Germany
Iván Herráez
Laboratory for Wind and Solar Energy, University of Applied Sciences Emden/Leer, Constantiapl. 4, 26723 Emden, Germany
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This study analyzes the impact of wind turbine rotor blade flexibility on the aerodynamic loading of the blades and the consequential wind characteristics in the near wake of the turbine. It is shown that gravitation leads to rotational periodic fluctuations of blade loading, which directly impacts the trajectory of the blade tip vortex at different rotor blade positions while also resulting in a non-uniform wind velocity deficit in the wake of the wind turbine.
This study analyzes the impact of wind turbine rotor blade flexibility on the aerodynamic...
