Wind Energy Science
Wind Energy Science
WES
Articles | Volume 3, issue 2
Articles | Volume 3, issue 2
https://doi.org/10.5194/wes-3-713-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-3-713-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 2
Research article
 | 
17 Oct 2018
Research article |  | 17 Oct 2018

Advanced computational fluid dynamics (CFD)–multi-body simulation (MBS) coupling to assess low-frequency emissions from wind turbines

Levin Klein, Jonas Gude, Florian Wenz, Thorsten Lutz, and Ewald Krämer

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Short summary
To get a better understanding of noise emissions from wind turbines at frequencies far below the audible range, simulations with increasing complexity were conducted. Consistent with the literature, it has been found that acoustic emission is dominated by the noise generated when the rotor blades pass the tower. These specific frequencies are less dominant in the structure-borne emission. Considering aerodynamic forces acting on the tower is important for the correct modeling of emissions.
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