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TsAGI Science Journal

ISSN 印刷: 1948-2590
ISSN オンライン: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2019030132
pages 39-52

EXPERIMENTAL INVESTIGATION OF BOUNDARY LAYER STATE ON THE SURFACE OF HIGH-SPEED TEST VEHICLE MODEL

Stanislav Sergeevich Alyoshin
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Valerii Nikolaevich Golubkin
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Anatoliy Aleksandrovich Gubanov
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky St., Zhukovsky, Moscow region, 140180, Russia
Ivan Valerievich Nazhimov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Yurii Grigoryevich Shevalev
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Johan Steelant
The European Space Research and Technology Center, Noordwijk, Netherlands

要約

Presented are the results of investigations of the boundary layer state on the surface of a highspeed test vehicle model designed for high-speed test flight within the High Speed Experimental Fly Vehicles–International Project of the 7th Framework European Union Program aimed at the development of a transcontinental civil aircraft. The investigations were carried out in the T-116 wind tunnel at TsAGI. The boundary layer state on the streamlined surface was determined by a known unsteady thermal method of measuring the local heat transfer coefficients and their subsequent anchoring with correlation (empirical) curves. In a number of cases, the existence of a laminar boundary layer was established. The influence of the flow regime (angle of attack = 0–12°, Mach number = 4–8, and a wide range of high Reynolds numbers) and the shape of the turbulence stimulators on the boundary layer state, including the laminar–turbulent transition, were studied.


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