Propagation of solitary pressure wave through the microwave discharge region in the air at medium pressures
Bychkov V.L. 1, Grachev L.P.2, Esakov I.I.3, Semenov A.V.3
1Lomonosov Moscow State University, Moscow, Russia
2Moscow Radio Technical Institute, Russian Academy of Sciences, Moscow, Russia
3Vitte Moscow University, Moscow, Russia
Email: iesakov@yandex.ru

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Results of experiments on a propagation of a pressure wave with a shock-wave leading front through a gas region excited by a pulsed freely localized discharge of the microwave wavelength range are described. The discharge was realized in air at a pressure from 14 to 100 Torr in the focal region of a quasi-optical electromagnetic beam of the microwave wavelength range. The experiments revealed three types of interaction of the gas-dynamic pulse with the region excited by the discharge in the post-discharge mode. The specific type of interaction is defined by the initial structure of the discharge and the delay time of the gas-dynamic pulse passage through the excited region. Keywords: aerodynamics, microwave discharge, pressure wave.
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