Experimental study of the influence of small angles of attack and cone nose bluntness on the stabilization of hypersonic boundary layer with passive porous coating
- Authors: Morozov S.O.1, Lukashevich S.V.1, Soudakov V.G.2, Shiplyuk A.N.1
-
Affiliations:
- Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
- Zhukovsky Central Aerohydrodynamic Institute
- Issue: Vol 25, No 6 (2018)
- Pages: 793-800
- Section: Article
- URL: https://journals.rcsi.science/1531-8699/article/view/217999
- DOI: https://doi.org/10.1134/S086986431806001X
- ID: 217999
Cite item
Abstract
The present work was devoted to an experimental study of small angles of attack and cone nose bluntness on the efficiency of stabilization of high-frequency disturbances in hypersonic boundary layer with a passive porous coating. The experiments were carried out on a cone with an apex half-angle 7° and nose bluntness radii R = 0.03, 0.5 and 1 mm installed under angles of attack α = 0–1° at the freestream Mach number M∞ = 5.8. High-frequency pressure fluctuations on the sides of the cone with the solid and porous surfaces were measured. It is shown that at all angles of attack and cone bluntness, the passive porous coating permits an efficient suppression of disturbances in hypersonic boundary layer both on the windward and leeward sides of the cone.
About the authors
S. O. Morozov
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
Author for correspondence.
Email: morozov@itam.nsc.ru
Russian Federation, Novosibirsk
S. V. Lukashevich
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
Email: morozov@itam.nsc.ru
Russian Federation, Novosibirsk
V. G. Soudakov
Zhukovsky Central Aerohydrodynamic Institute
Email: morozov@itam.nsc.ru
Russian Federation, Zhukovsky
A. N. Shiplyuk
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
Email: morozov@itam.nsc.ru
Russian Federation, Novosibirsk