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俄罗斯空气动力研究所中心学报

ISSN 打印: 1948-2590
ISSN 在线: 1948-2604

俄罗斯空气动力研究所中心学报

DOI: 10.1615/TsAGISciJ.v46.i5.40
pages 465-483

THERMODYNAMIC ANALYSIS OF DUAL-MODE SCRAMJET COMBUSTOR OPERATION

Evgeniy Aleksandrovich Meshcheryakov
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky 140180, Russia
Violetta Vasilievna Yashina
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky 140180, Russia

ABSTRACT

Thermodynamic analysis of critical regimes (regimes with thermal flow chocking phenomena at the exit) of dual-mode scramjet combustor operation has been performed using a quasi-one-dimensional flow scheme on an example of a heat supply to the gas flow in a duct with supersonic velocity at the entrance. The advantages of combustor subsonic mode of operation have been demonstrated for parameters such as the relative heat supply to the working gas, the total pressure loss in the flow path, and combustor thrust performance. Moreover, using the maximum entropy production principle, the priority (uniqueness) of the subsonic mode of combustor operation under a wide range of scramjet flight Mach numbers (MH = 3−7.5) has been established.


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