DYNAMICS OF A VARIABLE IN WIDTH GAS SUSPENSION LAYER ACCELERATED BY A PASSING SHOCK WAVE

St. Petersburg Polytechnical University Journal: Physics and Mathematics

Sadin Dmitriy¹ 

[1] Military Space Academy named after A.F. Mozhaysky;

关键词: hybrid large-particle method;    gas suspension layer;    shock wave;    baroclinic instability;   

DOI  :  10.18721/JPM.14205

来源: DOAJ

【 摘 要 】

Using the hybrid large-particle method, the regularities of the interaction of a shock wave when it impacts a gas suspension layer with curved boundaries are studied. Two-dimensional effects of double von Neumann refraction, focusing or divergence of the refracted shock wave, and baroclinic instability at the gas-suspension interface with the formation of mushroom-shaped or ring-shaped vortex structures are established. The features of the nonequilibrium flow are identified. These features associated with a decrease in the intensity of the passing shock wave and the splitting of the initial separation of the media into two contact discontinuities – a jump in porosity and a contact discontinuity in the gas phase

【 授权许可】

Unknown