Abstract
The objection of the work presented in current paper is to investigate dynamical impact of constricted electrical discharges in external magnetic field on gas flows. In this paper results of experimental study of electrical discharge interaction with direct and swirling flows in external magnetic field are presented. Pressure drop value versus magnetic field induction magnitude and polarity is given for two cases: electrical discharge rotates cocurrent and counter-current with swirling flow. Tangential velocity rise rate caused by electrical discharge rotation is evaluated. It is shown that the main contribution into flow tangential velocity can be expected only near central electrode that is explained by electrical discharge spiral evolution in external magnetic field. Results of Particle Imaging Velocimetry (PIV) visualization of flow structure and velocity measurements are presented. Measured velocities are of the same order that calculated from balance equation for considered experimental conditions.
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