Interaction of waves in one-dimensional dusty gas flow,Zeitschrift für Naturforschung A

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Interaction of waves in one-dimensional dusty gas flow
Zeitschrift für Naturforschung A ( IF 1.8 ) Pub Date : 2021-03-01 , DOI: 10.1515/zna-2020-0061
Pooja Gupta ₁ , Rahul Kumar Chaturvedi ₁ , L. P. Singh ₁

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The present study uses the theory of weakly nonlinear geometrical acoustics to derive the high-frequency small amplitude asymptotic solution of the one-dimensional quasilinear hyperbolic system of partial differential equations characterizing compressible, unsteady flow with generalized geometry in ideal gas flow with dust particles. The method of multiple time scales is applied to derive the transport equations for the amplitude of resonantly interacting high-frequency waves in a dusty gas. These transport equations are used for the qualitative analysis of nonlinear wave interaction process and self-interaction of nonlinear waves which exist in the system under study. Further, the evolutionary behavior of weak shock waves propagating in ideal gas flow with dust particles is examined here. The progressive wave nature of nonresonant waves terminating into the shock wave and its location is also studied. Further, we analyze the effect of the small solid particles on the propagation of shock wave.

更新日期：2021-03-16

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