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Thermophysics and Aeromechanics

2013 year, number 2

Flow field study in the T-313 wind-tunnel test section for М = 7

V.I. Zapryagaev, I.I. Mazhul, and A.I. Maksimov
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia
Keywords: wind tunnel, two-dimensional nozzle, test section, hypersonic Mach numbers, stream nonuniformity


Results of a numerical and experimental study of flow-field characteristics in the test section of the Т-313 supersonic blow-down wind tunnel of ITAM SB RAS at Mach number М = 7 are reported. The distributions of local Mach numbers, stagnation temperatures, static pressures, angles of flow deflection from the test-section axis were analyzed. For comparison, distributions of Mach numbers across the flow at several stations at М = 5 and 6 are reported as well. We show that, in the T-313 wind tunnel, two-dimensional nozzle inserts can be used to perform experiments at М = 7.