Abstract
The problem of local braking of a high-speed air flow (M = 6) using an electric discharge plasma in a magnetic field has been considered. The studies were carried out on an experimental MHD test rig based on a shock tube, at the end of the low pressure channel of which a Laval nozzle was placed with gas flowing into the Eiffel chamber. The discharge was initiated across the flow, between narrow electrodes, and across the magnetic field. It was shown that with increasing of the magnetic field the discharge is localized between the electrodes and then moved toward the flow as a result of strong MHD-interaction. At the same time the bow shock in front of MHD-interaction zone is observed. A comparison of the shock wave structures during the flow around the discharge on free electrodes, near the plate and in front of the blunt body has been shown.
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