第50卷第2期2023年2月Vol.50,No.2Feb.2023湖南大学学报(自然科学版)JournalofHunanUniversity(NaturalSciences)燃料电池离心式空压机性能衰减特性试验研究鲍欢欢1,付建勤1†,张磊2,吴全2,刘敬平1,刘琦1(1.湖南大学先进动力总成技术研究中心,湖南长沙410082;2.广东广顺新能源科技有限公司,广东佛山528216)摘要:为了获取燃料电池空压机性能衰减特性、提高其使用寿命,针对一款自主开发的燃料电池空压机开展了耐久性试验研究.结合燃料电池汽车实际道路循环工况特征,构建了一种接近真实道路循环工况的空压机寿命测试工况,并开展了4000h的空压机耐久性试验,采集了不同磨合时间段的空压机性能与运行参数.通过耐久试验数据分析,明确了空压机性能衰减规律及其影响因素.除磨合时间外,空压机性能衰减主要受转速和压力的影响,其中压力衰减随转速增加而增大,衰减速度随磨合时间增加先快后慢;空气流量衰减对转速和压力均很敏感,衰减速度随磨合时间基本保持不变.磨合4000h后,在额定工况下空压机的出口压力和空气流量衰减最大分别达到7.5%和29.7%.关键词:燃料电池;试验;空压机;耐久性;性能衰减中图分类号:TK91文献标志码:AExperimentalStudyonPerformanceAttenuationCharacteristicsofCentrifu⁃galAirCompressorforFuelCellsBAOHuanhuan1,FUJianqin1†,ZHANGLei2,WUQuan2,LIUJingping1,LIUQi1(1.ResearchCenterforAdvancedPowertrainTechnology,HunanUniversity,Changsha410082,China;2.GuangdongGuangshunNewEnergyTechnologyCo.,Ltd.,Foshan528216,China)Abstract:Inordertoobtaintheperformanceattenuationcharacteristicsofthefuelcellaircompressorandim−roveitsservicelife,thedurabilitytestforaself−developedfuelcellaircompressorwascarriedout.Combinedwiththeactualroadcyclecharacteristicsoffuelcellvehicles,anaircompressorlifetestconditionclosetotherealroadcyclewasconstructed.Onthisbasis,thedurabilitytestoftheaircompressorwascarriedoutfor4000hours,andtheperformanceandoperationparametersoftheaircompressorindifferentrunning−inperiodswerecollected.Throughtheanalysisofdurabilitytestdata,theattenuationlawoftheaircompressorperformanceanditsinfluencingfactorswereclarified.Inadditiontorunning−intime,theperformanceattenuationoftheaircompressorismainly...