42nd AIAA Plasmadynamics and Lasers Conference 2011
DOI: 10.2514/6.2011-3733
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Flow Separation Control near NACA23012 airfoil by a Capacity Coupled Surface HF Discharge

Abstract: Flow separation control on a wing model by surface pulsed repetitive capacity coupled HF discharge (CHFD) is studied. The typical parameters of CHFD used in these experiments are the followings: -HF frequency f HF~3 50 kHz, modulation frequency F M =10-10 4 Hz, mean HF power N HF < 100W. Airflow parameters are the followings: airflow velocity up to 140 m/s, Re < 6x10 5 . Significant aerodynamic drag decrease is obtained at definite CHFD parameters. Drag decrease of about 40% is measured for a wing model at M~0… Show more

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Cited by 2 publications
(1 citation statement)
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“…Plasma-based actuators potentially offer a high-bandwidth flow control solution without any moving parts and with minimal structural modification [11][12][13]. Previous studies on electrohydrodynamic dielectric barrier discharge (DBD) plasma actuators have shown their effectiveness limited to external flow velocities less than ∼10 m s −1 [16][17][18]. One popular alternative to DBD actuators are pulsed nanosecond di electric barrier discharge (NS-DBD) actuators which use shock wave production instead of directed momentum production to actuate the flow.…”
Section: Introductionmentioning
confidence: 99%
“…Plasma-based actuators potentially offer a high-bandwidth flow control solution without any moving parts and with minimal structural modification [11][12][13]. Previous studies on electrohydrodynamic dielectric barrier discharge (DBD) plasma actuators have shown their effectiveness limited to external flow velocities less than ∼10 m s −1 [16][17][18]. One popular alternative to DBD actuators are pulsed nanosecond di electric barrier discharge (NS-DBD) actuators which use shock wave production instead of directed momentum production to actuate the flow.…”
Section: Introductionmentioning
confidence: 99%