Articles | Volume 1, issue 2
https://doi.org/10.5194/wes-1-129-2016
https://doi.org/10.5194/wes-1-129-2016
Research article
 | 
13 Sep 2016
Research article |  | 13 Sep 2016

Estimating the wake deflection downstream of a wind turbine in different atmospheric stabilities: an LES study

Lukas Vollmer, Gerald Steinfeld, Detlev Heinemann, and Martin Kühn

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Short summary
The wake flow downstream of yaw misaligned wind turbines is studied in numeric simulations of different atmospheric turbulence and shear conditions. We find that the average trajectory of the wake as well as the variation about this average is influenced by the thermal stability of the atmosphere. The results suggest that an intentional intervention in the yaw control of individual turbines to increase overall wind farm performance might be not successful during unstable thermal conditions.
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