Abstract
Using direct numerical simulation, a problem of the interaction of a Mach wave with a boundary layer on a flat plate, streamlined by a supersonic perfect gas flow at the Mach number M = 2.5 is considered. The influence of the intensity of the incident Mach wave on the laminar-turbulent transition (LTT) is studied. It is shown that the incidence of a Mach wave with an amplitude of 5%, simulating the relative thickness of the roughness on the side wall of the wind tunnel, on the boundary layer leads to the formation of a turbulent wedge in the boundary layer on a flat plate.
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This study was carried out at Moscow Institute of Physics and Technology with financial support from the Russian Science Foundation (project code 21-19-00307).
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Egorov, I.V., Nguyen, N.K. & Pal’chekovskaya, N.V. Numerical Simulation of the Interaction of a Mach Wave and a Boundary Layer on a Flat Plate. High Temp 61, 689–696 (2023). https://doi.org/10.1134/S0018151X23050036
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DOI: https://doi.org/10.1134/S0018151X23050036