Wind Energy Science
Wind Energy Science
WES
Articles | Volume 9, issue 10
Articles | Volume 9, issue 10
https://doi.org/10.5194/wes-9-1869-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-9-1869-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 9, issue 10
Research article
 | 
07 Oct 2024
Research article |  | 07 Oct 2024

Impact of a two-dimensional steep hill on wind turbine noise propagation

Jules Colas, Ariane Emmanuelli, Didier Dragna, Philippe Blanc-Benon, Benjamin Cotté, and Richard J. A. M. Stevens

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Short summary
We studied wind turbine noise propagation in a hilly terrain through numerical simulation in different scenarios. The sound pressure levels obtained for a wind turbine in front of a 2D hill and a wind turbine on a hilltop are compared to a baseline flat case. The source height and wind speed strongly influence sound propagation downwind. Topography influences the wake shape, inducing changes in the sound propagation that modify the sound pressure level and amplitude modulation downwind.
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