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TsAGI Science Journal

ISSN Druckformat: 1948-2590
ISSN Online: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.v40.i3.30
pages 309-319

EXPERIMENTAL AND NUMERICAL INVESTIGATIONS OF BOUNDARY LAYER TRANSITION ON BLUNTED CONES AT SUPERSONIC FLOW

Vladimir Nikolaevich Brazhko
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia
A. V. Vaganov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia
N. A. Kovaleva
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia
N. P. Kolina
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia
Igor Ivanovich Lipatov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia

ABSTRAKT

Presented are the numerical and the experimental results describing laminar/turbulent boundary layer transition on thin blunted cones at freestream Mach numbers of M = 6.1 and 8. Shown is the common influence of cone nose bluntness, semi-angle of cones, and Mach and Reynolds numbers on the boundary layer transition. The present results, concerning the beginning of boundary layer transition, are compared with data obtained previously in wind tunnels at super- and hypersonic flows over the thin blunted cones.


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