Aerodynamic drag reduction of 3D train model using dielectric barrier dis-charge plasma actuators

초록

DBD (dielectric barrier discharge) plasma actuator was used to control the flow properties. The flexible DBD actuator was designed to be installed on an arbitrary shape. Wind-tunnel tests were performed to measure a drag reduced by the flow control using the DBD actuators. At the wind velocity of 5 m/s, the drag on the 3-D train model was reduced by 5.35%, whereas the degree of drag reduction decreased as the wind velocity increased.