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TsAGI Science Journal

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

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2016018288
pages 295-308

EXPERIMENTAL INVESTIGATION OF HEAT TRANSFER IN THE INTERACTION OF WEAKLY UNDEREXPANDED SUPERSONIC JETS WITH A FLAT BARRIER

Oleg Konstantinovich Kudin
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russia
Yurii Nikolaevich Nesterov
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russia

ABSTRACT

The experimental results of an investigation of the gas-dynamic and geometric characteristics of weakly underexpanded supersonic jets and the heat transfer from such jets with a flat barrier located at different angles to the jet axis and at different distances from the nozzle section are presented. The jets had a stagnation temperature of T0 = 1300 K and Mach numbers of M = 1 and 2 at the nozzle section. The experimental data were obtained for small-scale models in a modernized gas-generator setup wind tunnel generating high-temperature jets based on alcohol combustion in oxygen.


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