Abstract
A plasma actuator has been extensively investigated as a flow control device for separated flow in recent years. A burst wave induced plasma actuator (BWPA) is highly expected for the separation control in low Reynolds number flow. In this study, spatiotemporal flow characteristics induced by BWPA in a parallel plate laminar channel flow was investigated by particle image velocimetry. Furthermore, the BWPA was applied to a backward facing step flow to control the flow separation and reattachment. The experimental result shows that the velocity amplitude defined as the magnitude of velocity oscillation generated by BWPA strongly influences the decrease of reattachment length.
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