Mathematics
Scientific paper
Mar 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.225...67y&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 225, no. 1, p. 67-80
Mathematics
Density Distribution, Interstellar Gas, Perturbation, Propagation Velocity, Shock Wave Propagation, Shock Waves, Spherical Waves, Acoustic Velocity, Analysis (Mathematics), Boundary Conditions, Equilibrium Equations, Pressure, Shock Fronts
Scientific paper
Effect of overtaking disturbances on the propagation of a spherical shock wave in self gravitating gas has been studied by the technique developed by Yadav (1992). The analytical expressions for modified shock velocity and shock strength have been obtained for an initial density distribution rho0 = rho prime r-w, where rho prime is the density at the axis of symmetry and w is a constant; simultaneously, for the two cases viz; (1) when the shock is strong and 2 when it is weak. The results accomplished here have been compared with those for freely propagation of shock. It is observed that the conclusions arrived at here agree with experimental observations. Finally, the modified expressions for the pressure, the density and the particle velocity immediately behind the shock have also been derived from, for both cases.
Tripathi Sachchida
Yadav R. P.
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