Articles written in Proceedings – Section A
Volume 72 Issue 1 July 1970 pp 30-35
The propagation of strong shocks in an atmosphere of variable density at rest is studied. The energy gain of the flow enveloped by the shock is assumed to be time-dependent. Analytical and numerical solutions of the similarity flows behind such shocks are obtained.
Volume 73 Issue 3 March 1971 pp 101-108
Similarity solutions describing the flow behind a plane hydromagnetic shock propagating with a constant velocity into a uniform ideal gas at rest in the presence of a transverse magnetic field are obtained. The gas is assumed to be infinitely electrically conducting, inviscid and non-heat conducting. The gain in the total energy of the flow between the shock and the inner expanding surface is assumed to be time-dependent. The variations of the percentages of the magnetic, internal and kinetic energies with the strength of the shock are studied. It is shown that there exists two values of the strength of the shock at which equipartition of the internal and kinetic energies of the flow between the shock and the inner expanding surface can occur.
Volume 79 Issue 2 February 1974 pp 82-103
The aim of the present paper is to study the propagation of a variable energy blast wave (cylindrical) through a gas having solid-body rotation. The modified similarity method has been used to obtain the first, second and third approximation solutions. The analysis shows that the effects of solid-body rotation on the flow are of third order. Variation of pressure, density and radial velocity distributions with initial angular velocity has been discussed.
Volume 80 Issue 3 September 1974 pp 140-159
The propagation of variable energy blast wave through self-gravitating gas spheres has been studied. Similarity method has been used to obtain the solution in the form of a power series in non-dimensional shock radius. The analysis shows that the effects of self-gravitating force are of third order Therefore, the pressure, density and velocity distributions are calculated upto third approximation and shown graphically.