Suppression of Wingtip Vortices Using Plasma Flow Control

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Date
2019-01-01
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Harper, Eric
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Dr. Hui Hu
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Aerospace Engineering
Abstract

An attempt to use Alternating Current Dielectric-Barrier-Discharge actuators to suppress wingtip vortex of a finite wing. A NACA 0012 wing with AC-DBD actuators embedded at the wingtip was used at a Reynolds number of approximately 150,000. A stereoscopic PIV system measured the wake at multiple distances behind the trailing edge. A JR3 multi-axis load cell was used to simultaneously measure the forces on the wing. The angle between the AC-DBD actuators and U changed to determine any impact on the wingtip vortex. Repeated efforts lead to the conclusion that the AC-DBD actuators were too weak to have an observable effect on the wake vortex.

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Tue Jan 01 00:00:00 UTC 2019