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TsAGI Science Journal

ISSN Print: 1948-2590
ISSN Online: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2018029217
pages 581-594

INTERACTION OF SHOCK WAVES NEAR A CYLINDER PERPENDICULAR TO A BLUNT PLATE, PART II: HEAT TRANSFER ON A CYLINDER

Volf Ya. Borovoy
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180 Russian Federation
Vladimir Evguenyevich Mosharov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Vladimir Nikolaevich Radchenko
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia
Arkadii Sergeyevich Skuratov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia

ABSTRACT

Experimental results of heat transfer investigation on front surface of a cylinder installed on a plate at some distance from its leading edge are presented. Experiments are carried out at M = 5. We vary Reynolds number ReD from 1.3 × 105 to 5.1 × 105, bluntness radius of plate leading edge, and cylinder distance from leading edge.We determine heat-transfer coefficient peaks at both the end of the separation zone and for the bow shock wave from the blunt plate. We find that heat-transfer coefficient peak values in interference regions decrease with increases in plate bluntness and distance from cylinder to leading edge. Decreased Re yields a sudden decrease in maximum heat-transfer coefficient and its smoother distribution over cylinder generatrix, in comparison to plate in front of cylinder. The observed phenomena are explained by analyzing gas flow structure in interference regions.


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