Experimental Investigation of the Effect of a Passive Porous Coating on a Hypersonic Boundary Layer Stability on a Sharp Cone at an Angle of Attack

被引：0
|
作者：
Lukashevich, S. V. [1 ]
Morozov, S. O. [1 ,2 ]
Shiplyuk, A. N. [1 ,3 ]
机构：
[1] Khristianovich Inst Theoret & Appl Mech SB RAS, Inst Skaya Str 4-1, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Novosibirsk, Russia
[3] Novosibirsk State Tech Univ, Novosibirsk, Russia
来源：
XV ALL-RUSSIAN SEMINAR DYNAMICS OF MULTIPHASE MEDIA | 2018年 / 1939卷
基金：
俄罗斯基础研究基金会;
关键词：
DISTURBANCES;
D O I：
10.1063/1.5027359
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Experimental investigations are performed to determine the effect of the passive porous coating on the stability of the hypersonic boundary layer on the cone at small angles of attack. Measurements of the pressure disturbances on the cone surface showed that, the increase of the angle of attack leads to decrease of the second-mode amplitude, when the smooth cone side is the windward side. On the leeward side the amplitude of the disturbances increase with the angle of attack until the boundary layer is laminar. It was found that the ultrasonically absorptive coating leads to the energy decrease of the second-mode disturbances on both leeward and windward side of the sharp cone.
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页数：4
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