Abstract
The evolution analysis of the wind wake downstream of a rotor submerged in a stratified atmospheric boundary layer is discussed in this work. The hybrid model AD-CFD is used, to obtain the velocity field. The changes in thermal stratification are taken into account when solving the energy conservation equation. Results from the unstable stratification case indicate a 41% velocity deficit and 30% is found for stable thermal stratification, at z = 1D. this work show that in a stratified atmospheric boundary layer, an isolated wind turbine’s ability to produce electricity is more impacted by stable thermal stratification than by unstable ones.
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