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Weak discontinuities in electrically conducting and radiating gases

Rai A. (Department of Mathematics North Eastern Regional Institute of Science and Technology Nirjuli-Itanagar, INDIA)

The singular surface theory has been used to determine the law of propagation of weak discontinuities and the problem of growth and decay of waves. The effect of radioactive heat transfer has been treated using a differential approximation which is valid over entire optical depth range. The effects of wave geometry and magnetic field with finite electrical conductivity on the global behavior of the wave amplitude have also been studied. The two cases of diverging and converging waves have been discussed separately.