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Effect of supersonic stream parameters on the characteristic time of transient step flow

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Abstract

There have been many studies of viscous compressible gas flow in wakes and behind steps [1–6] in which attention has been focused on the steady-state flow regime. The problem of the supersonic flow of a viscous compressible heat-conducting gas past a plain backward-facing step is considered. The problem is solved numerically within the framework of the complete system of Navier-Stokes equations. The passage of the solution from the initial data to the steady-state regime and the effect of the gas dynamic parameters of the external flow on the characteristic flow stabilization time are investigated.

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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 4, pp. 137–140, July–August, 1989.

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Bondarev, A.E. Effect of supersonic stream parameters on the characteristic time of transient step flow. Fluid Dyn 24, 604–607 (1989). https://doi.org/10.1007/BF01052425

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  • DOI: https://doi.org/10.1007/BF01052425

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