Bulletin of the American Physical Society
74th Annual Meeting of the APS Division of Fluid Dynamics
Volume 66, Number 17
Sunday–Tuesday, November 21–23, 2021; Phoenix Convention Center, Phoenix, Arizona
Session N01: Poster Session (3:20-4:05pm)
Monday, November 22, 2021
Abstract: N01.00107 : Separation Control of NACA0015 Airfoil using Plasma Actuators
Velocity fields was measured by conventional two-component PIV. Lift and drag were measured using a two-component force balance. Surface pressure was monitored by pressure transducers through pressure taps on the upper surface.
Improvements of lift coefficients were confirmed at PA actuation cases around stall angle. In addition, F+ = 6 cases showed greater improvements than F+ = 0.5. Among F+ = 6 cases, φ = π provided the higher lift compared to φ = 0 by approximately 1.4% at the angle of attack = 11degrees. Moreover, while quasi-spanwise-oriented roller vortices were formed at φ = 0, vortices arranged in a staggered manner were formed at φ = π. Hereafter, the relation between improvements of lift and 3D flow behavior will be clarified.
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