Self-similar flow of a rotating dusty gas behind the shock wave with increasing energy, conduction and radiation heat flux

Details Self-similar flow of a rotating dusty gas behind the shock wave with increasing energy, conduction and radiation heat flux Self-similar flow of a rotating dusty gas behind the shock wave with increasing energy, conduction and radiation heat flux

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012adspr..49..108n&link_type=abstract

Advances in Space Research, Volume 49, Issue 1, p. 108-120.

Physics

Scientific paper

A self-similar solution is obtained for one dimensional adiabatic flow behind a cylindrical shock wave propagating in a rotating dusty gas in presence of heat conduction and radiation heat flux with increasing energy. The dusty gas is assumed to be a mixture of non-ideal (or perfect) gas and small solid particles, in which solid particles are continuously distributed. It is assumed that the equilibrium flow-condition is maintained and variable energy input is continuously supplied by the piston (or inner expanding surface). The heat conduction is expressed in terms of Fourier's law and the radiation is considered to be of the diffusion type for an optically thick grey gas model. The thermal conductivity K and the absorption coefficient αR are assumed to vary with temperature only. In order to obtain the similarity solutions the initial density of the ambient medium is assumed to be constant and the angular velocity of the ambient medium is assumed to be decreasing as the distance from the axis increases. The effects of the variation of the heat transfer parameters and non-idealness of the gas in the mixture are investigated. The effects of an increase in (i) the mass concentration of solid particles in the mixture and (ii) the ratio of the density of solid particles to the initial density of the gas on the flow variables are also investigated.

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