Investigation of the effect of heavy gas injection into a supersonic boundary layer on laminar-turbulent transition

S. A. Gaponov; Yu. G. Ermolaev; N. N. Zubkov; A. D. Kosinov; V. I. Lysenko; B. V. Smorodskii; A. A. Yatskikh

doi:10.1134/S0015462817060052

Investigation of the effect of heavy gas injection into a supersonic boundary layer on laminar-turbulent transition

作者: Gaponov S.A.¹, Ermolaev Y.G.¹, Zubkov N.N.², Kosinov A.D.¹, Lysenko V.I.¹, Smorodskii B.V.¹, Yatskikh A.A.¹
隶属关系:
1. Khristianovich Institute of Theoretical and Applied Mechanics
2. Bauman Moscow State Technical University
期: 卷 52, 编号 6 (2017)
页面: 769-776
栏目: Article
URL: https://journals.rcsi.science/0015-4628/article/view/155716
DOI: https://doi.org/10.1134/S0015462817060052
ID: 155716

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详细

The effect of distributed tangential injection of heavy SF₆ gas into the wall zone of a boundary layer on the supersonic flow stability and laminar-turbulent transition is experimentally and theoretically investigated at the freestream Mach number M_∞ = 2. For the first time it is experimentally shown that in the case of this injection laminar-turbulent transition is downstream displaced.