On the self-similarity of wind turbine wakes in a complex terrain using large eddy simulation

We perform large eddy simulation of flow in a complex terrain under neutral atmospheric stratification. We study the self-similar behavior of a turbine wake as a function of varying terrain complexity and perform comparisons with a flat terrain. By plotting normalized velocity deficit profiles in different complex terrain cases, we verify that self-similarity is preserved as we move downstream from the turbine. We find that this preservation is valid for a shorter distance downstream compared to what is observed in a flat terrain. A larger spread of the profiles toward the tails due to varying levels of shear is also observed.

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Author Dar, A.S.
Berg, J.
Troldborg, N.
Patton, Edward
Publisher UCAR/NCAR - Library
Publication Date 2019-11-18T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T19:08:34.235871
Metadata Record Identifier edu.ucar.opensky::articles:23048
Metadata Language eng; USA
Suggested Citation Dar, A.S., Berg, J., Troldborg, N., Patton, Edward. (2019). On the self-similarity of wind turbine wakes in a complex terrain using large eddy simulation. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d7125wtj. Accessed 26 June 2025.

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