Abstract

The present work builds on the success of a dielectric barrier discharge driven plasma channel by exploring an electrode configuration that directly actuates the bulk fluid minimizing jet impingement and viscosity related losses. Influence of several electrical and physical parameters including electrode materials are experimentally investigated. Results indicate significant variation of performance with these parameters and suggest that in comparison to surface dielectric barrier plasma actuator driven flows, at least an order of magnitude improvement in efficiency is possible. The jet produced from this plasma channel configuration allows greater versatility for applications in boundary layer flow control and internal flows.

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