Wind Energy Science
Wind Energy Science
WES
Articles | Volume 9, issue 7
Articles | Volume 9, issue 7
https://doi.org/10.5194/wes-9-1547-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-9-1547-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 9, issue 7
Research article
 | 
23 Jul 2024
Research article |  | 23 Jul 2024

On the power and control of a misaligned rotor – beyond the cosine law

Simone Tamaro, Filippo Campagnolo, and Carlo L. Bottasso

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Short summary
We develop a new simple model to predict power losses incurred by a wind turbine when it yaws out of the wind. The model reveals the effects of a number of rotor design parameters and how the turbine is governed when it yaws. The model exhibits an excellent agreement with large eddy simulations and wind tunnel measurements. We showcase the capabilities of the model by deriving the power-optimal yaw strategy for a single turbine and for a cluster of wake-interacting turbines.
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