摘要
准确预测航空发动机燃烧室中的点火/熄火现象及污染物排放,需要耦合详细的化学反应动力学模型。鉴于RP-3航空煤油与国外Jet A航空煤油的物性参数较为接近,为初步研究RP-3航空煤油的化学动力学模型,选取Dagaut、Honnet、Lindstedt和Dooley等提出的Jet A的替代组分及其详细反应机理,作为我国RP-3航空煤油化学反应机理的备选方案,并通过激波管模拟与实验验证、充分搅拌反应器模型的定性分析,对备选方案的适用性和准确性进行考核。结果表明:在给定的三种工况条件下,Honnet等提出的详细化学反应机理模拟的点火延迟均与实验值最为吻合。
Accurate numerical predictions of the ignition, extinction phenomena and pollutant emissions of a gas turbine combustor need detailed chemical kinetics model. A preliminary investigation on detailed chemical kinetics models of RP-3 aviation kerosene was conducted. Because of the physical properties similarity between RP-3 and Jet A aviation kerosene, the surrogate mixtures and their detailed mechanisms for Jet A kerosene offered by Dagaut, Honnet, Lindstedt and Dooley were chosen as alternative reaction mechanism of Chinese RP-3 aviation kerosene. The applicability and accuary of alternative schemes were exam- ined by using the Chinese RP-3 kerosene experiment data obtained from shock tubes. The results show that ignition delay time predicted by the Honnet et al mechanism gives the closest agreement with data under three experimental condtions.
出处
《燃气涡轮试验与研究》
北大核心
2015年第5期19-23,共5页
Gas Turbine Experiment and Research
