, Volume 42, Issue 4, pp 653-657
Date: 22 Feb 2007

Experimental transition delay using glow-discharge plasma actuators

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Abstract

In the present work plasma actuators were applied in a flat-plate boundary layer with an adverse pressure gradient to influence the transition of the boundary layer. The first actuator downstream of the leading edge is operated in pulsed mode to introduce perturbations into the boundary layer to promote transition. Two steady operating actuators further downstream damp the perturbations significantly, which results in transition delay.