单/双流增压器对柴油机高原性能的影响研究

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中图分类号：U461.99 收稿日期：2025-03-03 DOI： 10.19999/j.cnki.1004-0226.2025.05.011

The Effect of Single/Dual Flow Turbocharger on Plateau Performance of Diesel Engines

Yang JunWang Jiguang Huang Youxian Guo Yang Li Jianwei Ma Yongjuan China Automotive Technology and Research Center Co.，Ltd.，CNR Automobile Inspection Center（Kunming）Co.， Ltd.，Kunming 651701，China

Abstract：Inordertosolvetheproblemofinsuficientdieselenginepowerperformanceatplateauevironments，thispaperproposesasolutionfordieselengieequippedwithturbochargersandstudiestheimpactofsingle/dalchanelturbochargersondieselengine performace.Theresultsshowthatathesamealtitude，asthespeedofthedieselengine increases，thepowerand intakevolumeofthe dieselengineshowanupwardtrend，whilethetorqueandfuelinjectionvolumfirstincreaseandthendecrease，andthespecific fuel consumptiofrtdecreassadteninreassAttesedeselegesped，steltideinreass，thetoru，owerntaeoume，andfuelinjectionvolumeofthedieselengineshowadownwardtrend，whilethespecificfuelconsumptionshowsanupward trend.In plateau environments，instaling adual flow turbocharged diesel engine increases the intakevolume by about 5% compared to a single flow turbocharged diesel engine，and reduces specific fuel consumption by about 4% ，ensuring diesel power performance and fuelconomy.Theresearchresultsnotonlysolvetheindustryproblemof"ypoxiaandpowerloss"ofplateaudieselengine，butalsopro vide guarantee for the high efficiency and cleaning of plateau engine.

Keywords：Plateauenvironment;Dieselengine;Single/dualflowsupercharger;Dynamicperformance；Fueleconomy;mpact analysis

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全球经济一体化建设过程中，能源需求急速增加，能源供需矛盾不断加剧[1]。（剩余5324字）