Static and Dynamic Stall Control at High Angle of Attack by NS pulsed Actuator in Burst Mode

摘要

Wind tunnel testing of SDBD plasma actuators at U = 50-100 mph were performed. Critical angle of attack increase (from 12 to 25 degrees) is observed at discharge power~5W/m for static stall conditions. Fast response time was demonstrated. Dynamic stall control using NS SDBD has been demonstrated. It was shown that low-energy actuation could increase the integral lift force for more than 10% and prevent the abrupt lift force decrease when the blade reaches the critical value of the angle of attack.