Numerical Simulation of the Influence of a Mach Wave on the Laminar–Turbulent Transition in a Supersonic Boundary Layer

• Published in: Doklady. a journal of the Russian Academy of Sciences. Physics Vol. 67; no. 5; pp. 144 - 147
• Main Authors: Egorov, I. V., Ngoc Hai Duong, Nhu Can Nguyen, Palchekovskaya, N. V.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-05-2022; Springer Nature B.V
• Subjects: Amplitudes; Boundary layer transition; Classical Mechanics; Flat plates; Ideal gas; Mach number; Mathematical and Computational Physics; Mechanics; Physics; Physics and Astronomy; Supersonic boundary layers; Supersonic flow; Theoretical; Turbulent boundary layer; laminar–turbulent transition; laminar boundary layer; numerical simulation; Mach-wave
• ISSN: 1028-3358; 1562-6903
• DOI: 10.1134/S1028335822050019

The results of numerical simulation of the influence of an incident Mach wave on the process of a laminar–turbulent transition in a supersonic boundary layer on a flat plate in a supersonic flow of a perfect gas at the Mach number M = 2.5 are considered. The effect of the incident Mach wave amplitude on the laminar–turbulent transition in a supersonic boundary layer is considered. It is shown that the influence of a Mach wave with an amplitude of 5% leads to the formation of a turbulent wedge in the boundary layer on a flat plate.