Abstract
It was investigated generation of forces on the wedge during the interaction of a sliding discharge in the supersonic flow. Sliding discharge was generated in a supersonic atmospheric-vacuum wind tunnel with a flow Mach number M = 2, Reynolds number of about 106, and static pressure in the flow p = 0.15 bar. It was found that the impact of the discharge is not limited by the appearance of a shock wave, and also significantly changes the properties of the flow around the wedge due to pulse heat generation. As the discharge energy increases, the force from its impact on the wedge also increases. Force produced by the sliding discharge in the supersonic flow is several times greater than in the quiescent air regardless of its pressure: 0.15 bar or 1 bar.
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