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Effects of Residual Radicals on Scramjet Engine Testing

机译:残留自由基对Scramjet发动机测试的影响

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Scramjet engines are tested by using the RamJet engine Test Facility (RJTF) under Mach 4 to 8 conditions, where a storage heater (S mode) and a combustion air heater (vitiation: V mode) are used to raise the air temperature. The effects of air heating methods on scramjet engine performance were investigated using a chemical kinetic code, LSENS. At first, dependence of dissociation time of O_2 was investigated to evaluate the amounts of radicals supplied to scramjet Engines in testfacilities.
机译:Scramjet发动机通过在4至8马赫的条件下使用RamJet发动机测试设施(RJTF)进行测试,其中使用存储加热器(S模式)和燃烧空气加热器(偏差:V模式)来提高空气温度。使用化学动力学代码LSENS研究了空气加热方法对超燃冲压发动机性能的影响。首先,研究了O_2离解时间的依赖性,以评估在测试设备中供应给超燃冲压发动机的自由基的数量。

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