Spider's web wind turbine rotor has at least one inner ring in addition to outer ring, and in which rotor blades are rectangular and have no aerodynamic shaping, and number of rotor blades on inside is less than on outside

摘要

The spider's web wind turbine rotor has at least one inner ring in addition to an outer ring. The rotor blades are rectangular and have no aerodynamic shaping. The number of rotor blades on the inside is less than on the outside.