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

来源：

FLUID DYNAMICS | 2017年 / 52卷 / 06期

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

页码：769 / 776

页数：8

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