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基于气体分子辐射吸收指数宽带模型,分析了火焰温度和组分浓度的诊断原理和计算方法;建立了红外光谱诊断系统,并进行了实验研究,结果表明诊断精度较高.从而实现了火焰温度和多种组分浓度的同步诊断
Based on the gas molecular radiation absorption index broadband model, the diagnostic principle and calculation method of flame temperature and component concentration were analyzed. The infrared spectroscopy diagnostic system was established and the experimental study was carried out. The results show that the diagnostic accuracy is high. Synchronous diagnosis of multiple component concentrations