Abstract
The variation of the asymmetric force and vortex wake on a 20 circular-cone forebody with angle of attack from 35 to 70 at zero sideslip are investigated. A pair of plasma actuators is designed and placed near the apex of the forebody. The pressure distributions over the forebody are measured in a low-turbulence 3.0 m × 1.6 m low-speed open-circuit wind tunnel at freestream velocity 5 m/s and Reynolds number of 50, 000 based on the cone base diameter. The pressure data are used to calculate the side force distribution along the forebody axis and to infer the salient features of the separated flow over the forebody under three modes of controls: plasma-off, plasma port-on and plasma starboard-on. Effects of the plasma actuations on vortex wake and side force over the cone forebody at angle of attack upto 70 are identified.
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