Investigation of the Effect of Heavy Gas Injection into a Supersonic Boundary Layer on Laminar-Turbulent Transition

被引:5
作者
Gaponov, S. A. [1 ]
Ermolaev, Yu. G. [1 ]
Zubkov, N. N. [2 ]
Kosinov, A. D. [1 ]
Lysenko, V. I. [1 ]
Smorodskii, B. V. [1 ]
Yatskikh, A. A. [1 ]
机构
[1] Russian Acad Sci, Khristianovich Inst Theoret & Appl Mech, Siberian Branch, Inst Skaya Ul 4-1, Novosibirsk 630090, Russia
[2] Bauman Moscow State Tech Univ, Ul 2 Ya Baumanskaya 5, Moscow 105005, Russia
基金
俄罗斯基础研究基金会;
关键词
compressible boundary layer; hydrodynamic stability; laminar-turbulent transition; permeable surface; injection; STABILITY; PERMEABILITY; ROUGHNESS;
D O I
10.1134/S0015462817060052
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
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-infinity = 2. For the first time it is experimentally shown that in the case of this injection laminar-turbulent transition is downstream displaced.
引用
收藏
页码:769 / 776
页数:8
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