AbstractThe aim of this paper is to analyze the main features of weakly non-linear waves propagating in a compressible, inviscid, non-ideal gas with infinite electrical conductivity modelled by van der Waals equation of state permeated by transverse magnetic field. An asymptotic approach is used to derive the evolution equation, which characterizes the wave phenomena in a high frequency domain. The growth equation of an acceleration wave is derived as a special case. Further, we also discuss the propagation of disturbances in the form of sawtooth profile. The effect of magnetic field and van der Waals parameter on the decay of sawtooth profile is presented. A remarkable difference between planar and nonplanar flows in magnetic case and nonmagnetic case has been drawn. Also the variation in velocity profile between planar and nonplanar flows has been discussed.

    HighlightsProgressive wave approach is used to derive the evolution equation characterizing the wave phenomena in a high frequency domain.Growth equation of an acceleration wave is recovered as a special case.The propagation of disturbances in the form of sawtooth profiles is discussed.The effect of magnetic field and van der Waal parameters on the decay of sawtooth waves is elucidated.


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    Title :

    Evolution of weak shock waves in non-ideal magnetogasdynamics


    Contributors:
    Nath, Triloki (author) / Gupta, R.K. (author) / Singh, L.P. (author)

    Published in:

    Acta Astronautica ; 133 ; 397-402


    Publication date :

    2016-10-21


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English






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