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TsAGI Science Journal

ISSN Imprimer: 1948-2590
ISSN En ligne: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2014010778
pages 609-626

DIAGNOSTICS AND NUMERICAL SIMULATION OF FLOWS IN HYPERSONIC SHORT-DURATION WIND TUNNELS

Volf Ya. Borovoy
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180 Russian Federation
Vladimir Nikolaevich Brazhko
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia
Ivan Vladimirovich Egorov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Evgenii Gennadievich Zaitsev
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky 140180, Russia
Arkadii Sergeyevich Skuratov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia

RÉSUMÉ

Stagnation pressure fields and heat fluxes in two short-duration wind tunnels, UT-1M Ludwig-type shock wind tunnel (M = 6 and 8) and IT-2M hot-shot wind tunnel (M = 12 and 20) are studied experimentally and numerically. The sizes of the dynamic and thermal core flows generated by contoured and conical nozzles are determined. It is demonstrated that the flow quality in the UT-1M and IT-2M wind tunnels is sufficiently high for performing aerodynamic and thermal tests of various models. Numerical simulations of the flow in the wind tunnel nozzles and test sections ensure an adequate description of the pressure distributions and Mach number contours.