Experimental Investigation of Flow Control on Performance Enhancing by Mounting Gurney Flaps on Vertical Axis Wind Turbines

Experimental investigation of power for H-type Darrieus vertical axial wind turbine by mounting Gurney flaps was carried out. The influenced rules of the height of Gurney flaps on the power of H-type Darrieus vertical axial wind turbine under different height of flaps were achieved, and the optimal height of Gurney flap was presented. At last, the mechanism of wind turbine performance controlled by Gurney flap was discussed. The results can provide the theoretical guidance and technical support to wind turbines control in practical engineering.