Abstract
Theoretical results obtained within the framework of the weakly nonlinear model of a developed boundary layer in a flow past a narrow flat plate are verified with the use of methods of direct numerical simulation of the Navier–Stokes equations. The mechanism of gas ejection (bursting) from the surface of a thermally insulated plate in a supersonic gas flow with the Mach number M = 2 is studied within the framework of the model of complete nonlinear interaction. It is demonstrated that the transition from the laminar to turbulent flow past the plate in the case of weak external perturbations occurs due to resonant three-wave interaction. Theoretical results relating the energy redistribution between the oscillations and the process of spatial structure formation are confirmed.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2021, Vol. 63, No. 2, pp. 37-47. https://doi.org/10.15372/PMTF20220204.
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Lipatov, I.I., Tugazakov, R.Y. MECHANISM OF BURSTING FORMATION IN A SUPERSONIC GAS FLOW PAST A NARROW FLAT PLATE. J Appl Mech Tech Phy 63, 210–219 (2022). https://doi.org/10.1134/S0021894422020043
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DOI: https://doi.org/10.1134/S0021894422020043