针对燃气轮机原尺寸燃烧试验不易开展的问题，基于特征速度、雷诺数与达姆科勒数等特征参量，对燃气轮机中心分级旋流器开展模化试验研究。本研究通过火焰自发光拍摄、气体组分分析等方法，在相同分层比下，对比等速度、等雷诺数和等达姆科勒数 3种不同模化准则的试验结果在火焰结构、出口温度、污染物排放等方面的一致性，确定不同模化准则的模化特性；并在不同分层比下，研究分层比对达姆科勒准则模化效果的影响。结果表明：应用等达姆科勒数准则进行模化，模化燃烧器与原型的试验结果差异度最小；等雷诺数准则在各项特征的模化中，均与原型燃烧室存在较大差异。改变分层比，选择等达姆科勒数准则模化方法时，火焰结构的模化差异随分层比升高而减小，NO排放量在分层比取值为1时差异度最小。

Aiming at the problem that the combustion experiment of a prototype burner of gas turbine was difficult to carry out, the modeling experimental study of gas turbine centrallystaged swirling combustor was performed in this paper based on characteristic parameters such as characteristic velocity, Reynolds number (Re) and Damkohler number (Da). By means of flame selfluminescence photography and gas component analysis, the consistency of the test results of three different simulation criteria, such as uniform velocity, equal Reynolds number and equal Damkohler number, in terms of flame structure, exhaust temperature and pollutant emission was compared under the same stratification ratio to determine the modeling characteristics of different simulation criteria; under different stratification ratios, the influence of stratification ratio on the modeling effect of Da criterion was studied. The results show that the difference of the modeling results between

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国家科技重大专项(2017V00120064)