Wind Turbine Wake Steering

Every wind turbine leaves behind a slow-moving, turbulent wake, and a turbine sitting directly downwind of another loses a large share of its potential output to that deficit. This simulator models the deliberate countermeasure wind-farm operators use — wake steering — where the upstream turbine is intentionally yawed a few degrees off the wind so its wake is deflected sideways, past the downstream rotor. The wake deflection is computed with the Jiménez engineering model and the velocity deficit with the self-similar Gaussian wake model of Bastankhah & Porté-Agel, so the animated flow field, the two turbines' individual power outputs, and the combined-farm gain over a non-yawed baseline all respond consistently to yaw angle, wind speed, turbine spacing and ambient turbulence intensity.