F301 CONTROL OF SEPARATION FLOW FROM AIRFOIL BY FUNCTIONAL JET USING DBD PLASMA ACTUATOR(Components-1)
スポンサーリンク
概要
- 論文の詳細を見る
Using a dielectric barrier discharge plasma actuator (DBD-PA), an active control system for flow separation around the MEL001 airfoil was attempted successfully at Re = 3.2×10^4. DBD-PA consists of top and bottom electrodes and a dielectric layer placed between the electrodes. Tangential jet velocities reach their maximum (V_<j-max>) in the range of 0.12 ≤ V_<j-max> ≤ 1.05 m/s, when bipolar sinusoidal wave voltages are applied, ±2.0, ±2.25, ±2.5, ±2.75, ±3.0 kV at 50 kHz. A series of experiments was carried out in the open-circuit blower type wind tunnel with 200mm×200mm×500mm test section under free stream velocity of U_∞ = 3.2 m/s. A DBD plasma actuator was installed on the MEL001 airfoil (chord length: L = 50 mm, wingspan: W = 200 mm). The wing was set in the test section with angles of attack (a) at a = 8.2 and 12.0 degrees. The effective jet velocities and power consumptions required to suppress flow separation were estimated by the velocity distributions around the airfoil and the current and voltage data so far accumulated on DBD-PA.
- 2009-11-16
著者
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CHOI Kwing-So
University of Nottingham
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Abe Hiroyuki
National Inst. Of Livestock And Grassland Sci. Jpn
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Choi Kwing-so
University Of Nottingham University Park
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Abe Hiroyuki
National Institute Of Advanced Industrial Science And Technology (aist)
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SEGAWA Takehiko
National Institute of Advanced Industrial Science and Technology (AIST)
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YOSHIDA Hiro
National Institute of Advanced Industrial Science and Technology (AIST)
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TAKEKAWA Shinya
Powers System Integrate Inc.
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Yoshida Hiro
National Institute Of Advanced Industrial Science And Technology (aist):(present Office)kanagawa Ins
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Yoshida Hiro
National Institute Of Advanced Industrial Science And Technology
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SEGAWA Takehiko
National Institute of Advanced Industrial Science and Technology
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