2023年第4期船用增压器喷嘴环优化技术实船应用研究骆怀宏1,尹自斌2,3(1.泉州海洋职业学院,福建泉州362712;2.集美大学轮机工程学院,福建厦门361021;3.福建省船舶与海洋工程重点实验室,福建厦门361021)摘要:本文针对某散货船主机降速节能后对主机运行工况的负面影响,基于柴油机与涡轮增压器之间的匹配特性及其优化措施的分析,对主机VTR354型涡轮增压喷嘴环进行优化再匹配,以改善柴油机性能,为航运企业营运船舶提供可操作和重应用的节能减排方案。通过主机运转试验,结果表明主机在同一常用运行转速下,涡轮增压器喷嘴环优化后主机各缸的排气温度均有不同程度下降,主机扫气压力提高了0.17bar,较优化前提高8.9%,改善了柴油机因降速引起的扫气压力低,排气温度高的不良性能。关键词:节能;优化;应用;增压器;喷嘴环中图分类号:TK413.5文献标识码:A文章编号:1674-957X(2023)04-0024-03StudyonTheApplicationofOptimizationTechnologyinRealShipofMarineTurbochargerNozzleRingLuoHuai-hong1,YinZi-bin2,3(1.QuanzhouOceanInstitute,FujianQuanzhou362712,China;2.SchoolofMarineEngineering,JimeiUniversity,FujianXiamen361021,China;3.FujianProvincialKeyLaboratoryofNavalArchitectureandOceanEngineering,FujianXiamen361021,China)Abstract:Inviewofthenegativeimpactontheoperatingconditionsofthemainengineofabulkcarrierafterthespeedreductionandenergyconservationofthemainengine,basedontheanalysisofthematchingcharacteristicsandop-timizationmeasuresbetweenthedieselengineandtheturbocharger...