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Experimental study of near wall region flow control by dielectric barrier discharge plasma

Li Yi-Ming Li Gang Xu Yan-Ji Nie Chao-Qun Zhu Jun-Qiang Zhang Yi Li Han-Ming

Experimental study of near wall region flow control by dielectric barrier discharge plasma

Li Yi-Ming, Li Gang, Xu Yan-Ji, Nie Chao-Qun, Zhu Jun-Qiang, Zhang Yi, Li Han-Ming
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  • Abstract views:  3119
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  • Received Date:  20 August 2007
  • Accepted Date:  18 September 2008
  • Published Online:  20 June 2009

Experimental study of near wall region flow control by dielectric barrier discharge plasma

  • 1. (1)北京提赛流速测量研究中心,北京 100871; (2)中国科学院工程热物理研究所先进能源动力实验室,北京 100190; (3)中国科学院物理研究所光物理实验室,北京 100190

Abstract: Flow field induced by the plasma actuator in quiescent air was measured by particle image velocimetry system. Boundary layer flow control in flat plate by the plasma actuator was investigated experimentally. Experimental results showed that the relation between exciting voltage and induced velocity magnitude was linear, but the influence of supply frequency was not evident. Mechanisms of plasma flow control were preliminarily ascertained to be results of collisions and temperature increase. Numerical simulation results showed that the thermal effect of the plasma was evident without incoming velocity. Methods of increasing plasma actuator's intensity were introduced briefly.

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