Wind Energy Science
Wind Energy Science
WES
Articles | Volume 9, issue 1
Articles | Volume 9, issue 1
https://doi.org/10.5194/wes-9-203-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-9-203-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 9, issue 1
Research article
 | 
22 Jan 2024
Research article |  | 22 Jan 2024

Influence of rotor blade flexibility on the near-wake behavior of the NREL 5 MW wind turbine

Leo Höning, Laura J. Lukassen, Bernhard Stoevesandt, and Iván Herráez

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Short summary
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.
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