Cylindrical shock in a self-gravitating gas

Details Cylindrical shock in a self-gravitating gas Cylindrical shock in a self-gravitating gas

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983dsj....33..289k&link_type=abstract

Defence Science Journal (ISSN 0011-748X), vol. 33, Oct. 1983, p. 289-297.

Physics

2

Cylindrical Waves, Gas Flow, Shock Wave Propagation, Gas Density, Novae, Propagation Velocity

Scientific paper

The propagation of a diverging cylindrical shock in a self-gravitating gas has been studied for the two cases: (1) when the shock is strong and (2) when it is weak. Analytical relations for shock velocity and shock strength have been obtained. It is shown that for a strong shock, the shock velocity must decrease continuously with shock propagation; for a weak shock, it initially decreases and attains a minimum value over a certain propagation distance, after which it starts increasing. Finally, expressions for the pressure, the density, and the particle velocity immediately behind the shock have been obtained for both the cases.

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