Energy transformations accompanying a shock wave distortion and disappearance during the interaction with thermally stratified plasma

Author:

Azarova O.A.,Krasnobaev K.V.,Lapushkina T.A.,Kravchenko O.V.

Abstract

Abstract The results of experiments and numerical simulations of the interaction of a plane shock wave with an area of ionization strata formed by a glow gas discharge are presented. For the experimentally obtained phenomena transformations of kinetic and internal energy have been studied numerically using Euler and Navier-Stokes approaches under the assumption that ionization unstable plasma has stratified gas temperature. Energy transfer between a region of layered energy deposition and heated gas zone behind the shock wave was considered. It has been established that a layered energy deposition can provide the distortion and destruction of a shock wave front and in addition, to create a lot of zones with higher internal and kinetic energy beyond it. These phenomena were shown to be connected with generation in many points of the Richtmyer-Meshkov instability resulting from the interaction of thermal strata with a front of the shock wave.

Publisher

IOP Publishing

Subject

Computer Science Applications,History,Education

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