Abstract

Similarity solutions for the propagation of a spherical shock wave generated by a moving piston in a nonideal gas under the influence of a gravitational field and azimuthal magnetic field with monochromatic radiation are obtained. The gravitational field is due to a central mass at the origin, i.e., the Roche model is valid. The gravitational effect of the gas itself is neglected in comparison with the attraction of the central mass at the origin. We considered that the radiation flux moves through an electrically conducting nonideal gas with constant intensity and energy is absorbed only behind the shock which moves in the direction opposite to the radiation flux. The results are discussed and compared with ones for a perfect gas, as well as for the cases of the influence of the gravitational field and of the absence of this field. The effect of the variations of the Alfven–Mach number, gravitational parameter, adiabatic exponent, and of the parameter of gas nonidealness are discussed in details.

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