Articles | Volume 3, issue 1
Wind Energ. Sci., 3, 293–300, 2018
https://doi.org/10.5194/wes-3-293-2018

Special issue: Wind Energy Science Conference 2017

Wind Energ. Sci., 3, 293–300, 2018
https://doi.org/10.5194/wes-3-293-2018

Research article 24 May 2018

Research article | 24 May 2018

How does turbulence change approaching a rotor?

Jakob Mann et al.

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Latest update: 23 Sep 2021
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Short summary
Turbulence is usually assumed to be unmodified by the stagnation occurring in front of a wind turbine rotor. All manufacturers assume this in their dynamic load calculations. If this assumption is not true it might bias the load calculations and the turbines might not be designed optimally. We investigate the assumption with a Doppler lidar measuring forward from the top of the nacelle and find small but systematic changes in the approaching turbulence that depend on the power curve.