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ESTIMATING COMBUSTOR FLAME TEMPERATURE BASED ON FREQUENCY OF COMBUSTOR DYNAMICS TRANSVERSE MODE

机译:基于燃烧器动态横向模式频率的燃烧器火焰温度估算

摘要

A method of determining the temperature inside a combustion liner withoutmaking adirect measurement of the actual temperature. The technique is based on ameasurement of the frequency of one of the transverse acoustic modes occurringinside the combustion chamber. The frequency is determined from the transversegeometric dimensions of the combustion chamber and the speed of sound in thegasinside the combustion chamber. The speed of sound in the gas is known fromthermodynamics to be a function of gas temperature and gas properties. Thus,from ameasurement of the resonant frequency and knowing the combustor dimensions andgas properties, the temperature can be determined with accuracy.
机译:一种无需燃烧即可确定衬套内部温度的方法使直接测量实际温度。该技术基于测量发生的一种横向声模的频率在燃烧室内。频率由横向确定燃烧室的几何尺寸和声速加油站在燃烧室内。气体中的声速从热力学是气体温度和气体性质的函数。从而,从一个测量谐振频率并知道燃烧室尺寸和气体特性,温度可以精确确定。

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