RT Journal Article ID 7e74fc58630953c0 A1 Egorov, Ivan Vladimirovich A1 Fedorov, Alexander Vitalyevich A1 Dihn, Quan Hoang T1 DIRECT NUMERICAL SIMULATION OF LAMINAR–TURBULENT TRANSITION AT SUPERSONIC FLOW OVER A SHARP FLAT PLATE JF TsAGI Science Journal JO TSAGI YR 2018 FD 2018-11-16 VO 49 IS 5 SP 495 OP 505 K1 direct numerical simulation K1 disturbance K1 laminar–turbulent transition K1 supersonic flow K1 boundary layer K1 oblique breakdown AB Numerical simulation of three-dimensional disturbances was carried out. These disturbances were excited in the boundary layer by periodic blowing/suction on the narrow part of a flat plate wall at free stream Mach number M = 3. The frequency and cross-flow wave number corresponded to the unstable oblique Tollmien–Schlichting waves, which led to favorable conditions in the nonlinear oblique breakdown. The linear and nonlinear regimes of the evolution of the development of disturbances downstream and the laminar–turbulent transition process were considered. The results are in a good agreement with other data. The results confirm the correctness of the used numerical technique and its applicability for investigating the development of three-dimensional disturbances in supersonic boundary layers, including the nonlinear laminar–turbulent transition stage. PB Begell House LK https://www.dl.begellhouse.com/journals/58618e1439159b1f,74d5b0cf7c41be75,7e74fc58630953c0.html