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TsAGI Science Journal

Publication de 6  numéros par an

ISSN Imprimer: 1948-2590

ISSN En ligne: 1948-2604

INTERACTION OF MACH WAVES AND BOUNDARY LAYER AT A SUPERSONIC FLOW OVER A PLATE WITH A SHARP LEADING EDGE

Volume 48, Numéro 4, 2017, pp. 317-329
DOI: 10.1615/TsAGISciJ.2017024816
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RÉSUMÉ

In the framework of the three-dimensional Navier−Stokes equations, the interaction of Mach waves induced by two-dimensional roughness on a side wall of a wind-tunnel test section with the boundary layer on a flat plate of sharp leading edge is studied numerically at the free-stream Mach number 2.5. It is shown that the Mach waves generate a longitudinal quasi-steady wake propagating in the boundary layer at large distances from the plate leading edge. The wake structure is considered in detail. The numerical results agree well with the known experimental data for mass flow disturbances measured in the T-325 supersonic wind tunnel at the Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences (Novosibirsk, Russia).

CITÉ PAR
  1. Kocharin V. L., Afanasev L. V., Kosinov A. D., Yatskikh A. A., Semionov N. V., Yermolaev Yu. G., Experimental investigation of effect of an external wave on supersonic boundary layer of the blunt flat plate, HIGH-ENERGY PROCESSES IN CONDENSED MATTER (HEPCM 2019): Proceedings of the XXVI Conference on High-Energy Processes in Condensed Matter, dedicated to the 150th anniversary of the birth of S.A. Chaplygin, 2125, 2019. Crossref

  2. Kocharin V. L., Kosinov A. D., Yatskikh A. A., Ermolaev Yu. G., Semionov N. V., Piterimova M. V., Shevelkov S. G., Minin O. P., The impact of weak shock waves on the flow in the boundary layer of a flat plate with a variable sweep angle of the leading edge, Thermophysics and Aeromechanics, 26, 6, 2019. Crossref

  3. Piterimova M., Kosinov A., Semionov N., Yatskikh A., Yermolaev Yu., Kocharin V., Experimental study of excitation and evolution of contrarotating longitudinal vortices in a boundary layer of a flat plate at M = 2, HIGH-ENERGY PROCESSES IN CONDENSED MATTER (HEPCM 2020): Proceedings of the XXVII Conference on High-Energy Processes in Condensed Matter, dedicated to the 90th anniversary of the birth of RI Soloukhin, 2288, 2020. Crossref

  4. Kocharin V. L., Yatskikh A. A., Prishchepova D. S., Panina A. V., Yermolaev Yu. G., Kosinov A. D., Semionov N. V., Afanasev L. V., Experimental study of heat transfer in the boundary layer of a flat plate with the impact of weak shock waves on the leading edge, HIGH-ENERGY PROCESSES IN CONDENSED MATTER (HEPCM 2020): Proceedings of the XXVII Conference on High-Energy Processes in Condensed Matter, dedicated to the 90th anniversary of the birth of RI Soloukhin, 2288, 2020. Crossref

  5. Piterimova M. V., Kosinov А. D., Semionov N. V., Yatskikh A. A., Kocharin V. L., Yermolaev Yu. G., Experimental study of effect of a pair of weak shock waves on laminar-turbulent transition in the boundary layer of flat plate at Mach number 2, SIBERIAN JOURNAL OF PHYSICS, 17, 2, 2022. Crossref

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