Abstract
Velocity distributions produced by a dielectric barrier discharge plasma actuator (DBD-PA) with various shapes of electrodes were measured by using a PIV system. By using two power supplies, tangential jets with different velocity distributions in time and space were induced independently in the vicinity of the wall from electrodes. Wall-normal jets produced by a pair of facing electrodes can be inclined by colliding tangential jets with different speeds. Wall-normal jets that distributed clockwise and counterclockwise vortices can be produced alternately by applying signal packets in different phase to each of the top electrodes. The properties of the functional jets were characterized by PIV analysis.
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