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A dielectric-barrier discharge plasma-actuator array was operated under beat frequency, in order to mimic a physically oscillating wall without moving parts. This concept demonstrates promising properties as an alternative approach for turbulent drag reduction.

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This page is a summary of: Beat-Frequency-Operated Dielectric-Barrier Discharge Plasma Actuators for Virtual Wall Oscillations, AIAA Journal, October 2020, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/1.j059802.
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