Rotor blade shaped to enhance wake diffusion
In order to extract maximum energy from the wind, modern wind turbine blades 2 have a twist (of locally optimized aerofoils) along their length. This is because the optimal angle of attack of the blade 2 is primarily affected by the -8 -apparent local wind direction, which changes with radial …
GB2539237A · office GB · 2016-12-14 · Statoil Asa · Google Patents