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Wi:^/Ae( rQ$? fK*1k HtNFA - flab.eng.isas.jaxa.jpflab.eng.isas.jaxa.jp/dbd/dbdpaper.pdf · DBD Plasma Actuator on wing stall con trol are studied. actuator driv en b y burst w a v

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Page 1: Wi:^/Ae( rQ$? fK*1k HtNFA - flab.eng.isas.jaxa.jpflab.eng.isas.jaxa.jp/dbd/dbdpaper.pdf · DBD Plasma Actuator on wing stall con trol are studied. actuator driv en b y burst w a v

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{s\3w (l~gXgX!)$#f'6 ('hRu&f+/!=)Frequen y E�e ts on Separation Control Using Plasma A tuatorYoshihiko Ninomiya (Univ. of Tokyo), Kozo Fujii (JAXA)Key Words: A tive ow ontrol, Diele tri Barrier Dis harge, StallAbstra tWind tunnel experiments are ondu ted and e�e ts of burst frequen y, sinusoidal frequen y, and burst ratioof DBD Plasma A tuator on wing stall ontrol are studied. Plasma a tuator driven by burst waveform isarranged near the leading edge of NACA0015 wing model. Flow over the aerofoil se tion is visualized bysmoke under the onditions of Re=4.4�104. The results indi ate that, within the onditions of experiments,higher applied voltage, less burst ratio, more burst frequen y are e�e tive for stall ontrol. It is also foundthat less sinusoidal frequen y is preferable in terms of energy eÆ ien y.1. x@a/$R2yNps}8dG15:JI$3vJ0

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Page 2: Wi:^/Ae( rQ$? fK*1k HtNFA - flab.eng.isas.jaxa.jpflab.eng.isas.jaxa.jp/dbd/dbdpaper.pdf · DBD Plasma Actuator on wing stall con trol are studied. actuator driv en b y burst w a v

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Page 3: Wi:^/Ae( rQ$? fK*1k HtNFA - flab.eng.isas.jaxa.jpflab.eng.isas.jaxa.jp/dbd/dbdpaper.pdf · DBD Plasma Actuator on wing stall con trol are studied. actuator driv en b y burst w a v

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Page 4: Wi:^/Ae( rQ$? fK*1k HtNFA - flab.eng.isas.jaxa.jpflab.eng.isas.jaxa.jp/dbd/dbdpaper.pdf · DBD Plasma Actuator on wing stall con trol are studied. actuator driv en b y burst w a v

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2M8%1) Post, M. L. and Corke, T. C., \SeparationControl on High Angle of Atta k Airfoil Us-ing Plasma A tuators," AIAA J., Vol.42 No.11pp.2177-2184, November 20042) M ormi k, B. W., Jr., \Aerodynami s of

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� � � � � ��PSfrag repla ementsVs F+^ 8 Vs H F+(BR=10%)V/STOL Flight," A ademi Press., 19673) Seifert, A. et al., \Delay of Airfoil Stall by Pe-riodi Ex itation," AIAA J. of Air raft, Vol.33No.4 pp.691-698, 19964) G�oksel, B. et al., "Steady and UnsteadyPlasma Wall Jets for Separation and Cir u-lation Control," AIAA2006-36865) Tsubakino, D. and Fujii, K., \E�e tive Lay-out of Plasma A tuators for a Flow SeparationControl on a Wing," AIAA2007-4746) Sidorenko, A. A. et al., \Pulsed Dis hargeA tuators for Re tangular Wings SeparationControl," AIAA2007-9417) Patel, M. P. et al., \S aling E�e ts of an Aero-dynami Plasma A tuator," AIAA2007-635