Abstract

Discontinuity breakdown conditions were realized experimentally by instant homogenous energy input in front of shock wave. Energy deposition was conducted using nanosecond gas discharges in spatial and surface area. A shock tube and special type of nanosecond electric discharge with plasma electrodes were used for this research. One and two-dimensional numerical simulation under experimental conditions has been undertaken. Pressure, density, temperature and velocity fields have been examined. Comparison of numerical data and schleiren images of shock wave after its interaction with discharge area was conducted. The configuration of disturbed shock wave was found to be in a good correspondence with one from numerical calculations. Numerical results showed possibility to achieve Richtmyer-Meshkov type instability without membrane.

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