Is the free wind speed sufficient to determine aerodynamic turbine performance in complex terrain?
C P Zengler,
N Troldborg,
M Gaunaa
Abstract:The performance of a wind turbine is usually characterized by its power curve, which relates the wind speed at hub height with its energy production. This relation does not take streamwise inhomogeneities of the inflow – as they might be present in complex terrain – into account. In this work, the consequences of this simplification for performance predictions are analyzed. Simulations using Reynolds-averaged Navier Stokes equations (RANS) with the k-ϵ-fp model as closure are performed. An actuator disc (AD) o… Show more
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