Flow Control around a Rectangular Cylinder Using DBD Plasma Actuators

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  • DBDプラズマアクチュエータを用いた角柱まわりの流れの制御

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<p>This study focusses on the uniform flow around a rectangular cylinder when a dielectric barrier discharge (DBD) plasma actuator is mounted on the corner of the cylinder. Plasma actuator is driven with a periodic on and off mode (burst modulation). As a result, the drag force acting on the cylinder is reduced when the actuator is driven at around a specific dimensionless burst frequency (St= 0.75). At that time, the Karman vortex shedding is weakened and delayed, and the wake turbulence is reduced.</p>

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