燃烧室燃油停留时间分布函数的测定
MEASUREMENT OF RESIDENCE TIME DISTRIBUTION FUNCTIONS OF FUEL IN COMBUSTOR
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摘要: 燃烧室中停留时间与燃烧室中许多重要的参数有着密切的关系。如燃烧室中的火焰稳定性极限、点火性能以及燃烧效率等。 停留时间一般都采用加入示踪剂的方法来测量。示踪剂及加入方法可各不相同。本实验所用的示踪剂为汞蒸气,用高压电极打火的方式加入。Abstract: An experimental epuipment for measuring the residence time distribution functions of fuel in combustor has been made, based on the absorption of radiation from a line source at 253.7nm generated by mercury vapour. The residence time distribution functions of fuel both in a main conbustor and a model afterburner under cool conditions have been measured by means of this equipment and have been analyzed.
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