Abstract
Dielectric barrier discharge(DBD) plasma actuators were applied to the horizontal axis wind turbine to improve the aerodynamic performance.The axis torque and pressure distributions on the wing of the wind turbine were measuremed to evaluate the effect of flow control by plasma actuators.The axis torque of the wind turbine improved up to approximately 20% at the experimental condition of U_∞=10m/s,β=40deg and rotational speed=174rpm.The performance of the plasma actuators depended on the frequency of unsteady actuator operation.The difference of the flowfields between plasma on and off was also visualized by the tuft.
