文章编号：1000-8055（2023）06-1299-07doi：10.13224/j.cnki.jasp.20210532某型全环燃烧室点火特性试验丁国玉1，马丹2，高雅1，陶焰明1，刘达兵1（1.中国航发湖南动力机械研究所，湖南株洲412002；2.中国航发南方工业有限公司，湖南株洲412002）摘要：对某型全环燃烧室进行了模拟地面起动和高空状态下的点火性能试验，研究表明：着火及联焰油气比均随燃烧室进口马赫数的增大而减小；随着模拟点火高度增加，点火变得越来越困难，特别是在试验工况中的低进口马赫数状态下；着火、联焰边界对应的油气比均随换算参考速度的增加而减小，且符合幂函数的函数形式，通过拟合得到着火、联焰边界对应的油气比与换算参考速度之间的函数关系式，经与试验值对比，着火、联焰边界预估值的误差大多分别不超过10%和15%。关键词：全环燃烧室；着火边界油气比；联焰边界油气比；点火特性；换算参考速度中图分类号：V231.3文献标志码：AExperimentonignitionperformanceofafullannularcombustorDINGGuoyu1，MADan2，GAOYa1，TAOYanming1，LIUDabing1（1.HunanAviationPowerplantResearchInstitute，AeroEngineCorporationofChina，ZhuzhouHunan412002，China；2.SouthIndustryCompanyLimited，AeroEngineCorporationofChina，ZhuzhouHunan412002，China）Abstract:Experimentswereconductedtostudytheignitionperformanceonafullannularcombustorbysimulatingthegroundstartandhigh-altitudeignitionparameters.Thetestresultsshowedthatthefuel-airratioofboththestableflameestablishmentandtheflamepropagationfromtheignitiondometotheunburneddomedecreasedwiththeincreasinginletairflowMachnumber;ignitionbecamemoreandmoredifficultwiththeincreaseofsimulatingignitionheight，especiallyatlowinletMachnumbercondition;thefuel-airratioofstableflameestablishmentlimitandthelightaroundlimitdecreasedwiththeincreaseofcorrectedreferencevelocity，andtherewasapowerfunctionrelationshipbetweenthem;thefunctionalrelationshipwasobtainedbyfitting;ifcomparedwiththetestvalues，theerrorsoftheestimatedfuel-airratioofstableflameestablishmentlimitandlightaroundlimitweremostlylessthan10%and15%，respectively.Keywords:fullannularcombustor；fuel-airratioofstableflameestablishmentlimit；fuel-airratioofthelightaroundlimit；ignitionper...
