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Simulation of a wind turbine wake I

Simulation of a turbulent and meandering wake behind a wind turbine (WT).

The airflow around a WT of type ENERCON E-66 (rotor diameter 66m, hub height 65m) was simulated.
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The simulations were undertaken with ANSYS FLUENT using the LES technique for turbulence modelling. The simulated geometry of the WTs includes tower, nacelle, rotating hub and blades.

The movie shows contours of velocity magnitude (white = low wind speed, blue = high wind speed) in a horizontal cut at hub height of the WT.