Articles | Volume 5, issue 2
Wind Energ. Sci., 5, 543–560, 2020
https://doi.org/10.5194/wes-5-543-2020
Wind Energ. Sci., 5, 543–560, 2020
https://doi.org/10.5194/wes-5-543-2020

Research article 05 May 2020

Research article | 05 May 2020

Investigations of aerodynamic drag forces during structural blade testing using high-fidelity fluid–structure interaction

Christian Grinderslev et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Christian Grinderslev on behalf of the Authors (19 Mar 2020)  Author's response    Manuscript
ED: Publish as is (02 Apr 2020) by Joachim Peinke
ED: Publish as is (02 Apr 2020) by Joachim Peinke(Chief Editor)
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Short summary
This study focuses on coupled computational fluid and structural dynamics simulations of a dynamic structural test of a wind turbine blade, as performed in laboratories. It is found that drag coefficients used for simulations, when planning fatigue tests, underestimate air resistance to the dynamic motion that the blade undergoes during tests. If this is not corrected for, this can result in the forces applied to the blade actually being lower in reality during tests than what was planned.