低污染燃烧室点火熄火特性试验研究  

Experimental study on ignition and flameout performance of low-pollution combustor

作　　者：徐丽[1] 孙丽艳 XU Li;SUN Liyan(School of Mechanical Engineering, Shenyang Ligong University, Shenyang 110034,China;Department of Gas Turbine Product Manufacturing ,Shenyang Liming Aero Engine Co.,Ltd., Shenyang 110005,China)

机构地区：[1]沈阳理工大学机械工程学院,沈阳110034 [2]沈阳黎明航空发动机集团有限责任公司燃机产品制造部,沈阳110015

出　　处：《沈阳航空航天大学学报》2018年第2期35-40,共6页Journal of Shenyang Aerospace University

基　　金：国家自然科学基金(项目编号:51376133);航空科学基金(项目编号:2015ZB54003)

摘　　要：应用燃烧试验台完成了三旋流贫预混燃烧室点火熄火性能试验研究。针对8种旋流角组合方式,研究了不同进气流量、不同进气温度下的贫油点火、熄火极限。结果表明:三旋流贫预混燃烧室中,内旋流、中旋流角度组合决定了点火成功与否,而外旋流对点火、熄火极限有影响;采用内、中、外旋流角依次增加10°的组合方式有较好的点火、熄火性能;三旋流贫油点火油气比最低为0.05236,高于非预混燃烧室的0.035标准,熄火油气比最低为0.00478,满足低于0.005的一般要求;不同旋流组合点火性能和熄火性能具有较好的一致性。Experimental study on ignition and flameout performance of combustor with three swirlers in which lean fuel was premixed, was completed by the combustion test rig. Ignition and flameout limits under different inlet flows and different inlet temperatures were investigated according to 8 kinds of the swirler angle combinations. The results show that the combination between internal and middle swirl angles in the combustor determines whether the ignition is successful or not, and the outer swirl has an influence on the ignition limit. A combination in which the inner , middle and outer swirl angles increases 10 degrees respectively, indicates a better ignition and flameout performance. The minimum fuel-air ratio of lean ignition is 0.05236, which is higher than the criterion in combustor without premixed lean fuel（i.e.0.035）. The fuel-air ratio of flameout is 0.00478, which is lower than the general requirement（i.e.0.005）. The ignition and flameout performancesunder different swirl combinations have a better consistency.

关 键 词：低污染 燃烧室 点火特性 贫油熄火 试验 

分 类 号：V231.2[航空宇航科学与技术—航空宇航推进理论与工程]