Magnetogasdynamic Shock Waves in a Rotating Gas with Exponentially Varying Density | Zendy

J. P. Vishwakarma | Zendy; G. Nath | Zendy

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Magnetogasdynamic Shock Waves in a Rotating Gas with Exponentially Varying Density

Author(s) -

J. P. Vishwakarma,

G. Nath

Publication year - 2012

Publication title -

isrn mathematical analysis

Language(s) - English

Resource type - Journals

eISSN - 2090-4665

pISSN - 2090-4657

DOI - 10.5402/2012/168315

Subject(s) - physics , adiabatic process , shock wave , mach number , mechanics , magnetic field , shock (circulatory) , classical mechanics , moving shock , perfect gas , constant angular velocity , exponential function , constant (computer programming) , magnetohydrodynamics , angular velocity , mathematical analysis , thermodynamics , mathematics , medicine , quantum mechanics , computer science , programming language

Nonsimilar solutions are obtained for one-dimensional adiabatic flow behind a magnetogasdynamic cylindrical shock wave propagating in a rotating or nonrotatingperfect gas in presence of a constant azimuthal magnetic field. The density of the gas is assumed to be varying and obeying an exponential law. In order to obtain the solutions, the angular velocity of the ambient medium is assumed to be decreasing exponentially as the distance from the axis increases. The shock wave moves with variable velocity and the total energy of the wave is nonconstant. The effects of variation of Alfven-Mach number and time are obtained. Also, a comparison between the solutions in the cases of rotating and non-rotating media with or without magnetic field is made.

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