An experimental and numerical study of a tangential gas injection effect on a flow pattern and heat flux was carried out. The cooling gas (air) was injected in the flow (air) through the tangential axis-symmetric slot on the spherically blunted cylinder streamlined longitudinally. Experiments were conducted in TsAGI shock wind tunnel at free-stream Mach number M∞ = 6, Reynolds number Re∞, Rw = 0.76×106 (calculated for free-stream parameters and bluntness radius Rw = 37.5 mm), cylinder angle of attack α = 0…30°, slot width h* = hk/Rw = 0–0.021, free-stream stagnation temperature T0 = 710 K, pressure behind the normal shock ps = 0.5 bar. The mass rate of the injected gas G* = gj/πρ∞u∞rw2 = 0…0.12. It is shown, that maximum of the heat flux toward the sphere surface could be sufficiently decreased. For example, for coolant mass rate G* = 0.03 and angle of attack α = 0 the heat flux maximum is reduced by factor of two.
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2010 14th International Heat Transfer Conference
August 8–13, 2010
Washington, DC, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4937-8
PROCEEDINGS PAPER
Tangential Gas Injection Into a Supersonic Stream
Eduard B. Vasilevskiy,
Eduard B. Vasilevskiy
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky, Moscow Region, Russia
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Ivan V. Ezhov,
Ivan V. Ezhov
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky, Moscow Region, Russia
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Andrey V. Novikov
Andrey V. Novikov
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky, Moscow Region, Russia
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Eduard B. Vasilevskiy
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky, Moscow Region, Russia
Ivan V. Ezhov
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky, Moscow Region, Russia
Andrey V. Novikov
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky, Moscow Region, Russia
Paper No:
IHTC14-22922, pp. 701-710; 10 pages
Published Online:
March 1, 2011
Citation
Vasilevskiy, EB, Ezhov, IV, & Novikov, AV. "Tangential Gas Injection Into a Supersonic Stream." Proceedings of the 2010 14th International Heat Transfer Conference. 2010 14th International Heat Transfer Conference, Volume 2. Washington, DC, USA. August 8–13, 2010. pp. 701-710. ASME. https://doi.org/10.1115/IHTC14-22922
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