WIND TURBINE BLADES, AND THEIR USE

摘要

Wind turbines extract kinetic energy from a wind flow. Various types are known in the art, and the efficiency of these machines is dependent in part upon the design of the integral blades that are exposed to the wind. Disclosed are wind turbine blades whereas each blade comprises a lift portion to generate a lift force suitable to move the blade and a drag portion to generate a drag force suitable to move the blade.