ValveControlStrategyOptimizationofaNewTypeofDieselBraytonCombinedCycleEngine

ValveControlStrategyOptimizationofaNewTypeofDieselBraytonCombinedCycleEngine.pdf
Inordertocombinetheadvantagesofhighthermalefficiencyofdieselengineandhighpowerdensityofgasturbine,anewtypeofDiesel-BraytonCombinedCycleEngineschemewasputforward.Theoutletpressurecalculationofthe90degreeT-junctionintheairintakesystemoftheenginewasstudied.BasedonthecalculationresultsofthepressurelosscoefficientoftheT-junctionflowfield,thecorrespondingmathematicalmodelingwascarriedoutinMATLABtocomparetheadvantagesanddisadvantagesofvariousmathematicalmodelsandtheD.E.Winterbonemodelwasselectedasthebasisforsubsequentoptimization.Aimingatthebadworkingconditionssuchassurgeandflameoutintheprocessofswitchingintoorquittingthediesel-turbinecombinedmode,itwasfoundthattheintakepressureofthedieselenginefluctuatesabnormallyduringthestate-switchingprocess.Theworkingrulesofthesolenoidvalveswereoptimizedbyadjustingthecurvesopeningcurvesofthesolenoidvalveswithtime,sothatthetotalintakemassflowintheairintakesystemwasabletokeeprelativelystableduringthestate-switchingprocess,ensuringthattheintakepressureofthedieselenginecouldchangesmoothly.
作者：HUANGKaishengQIAOYuanQIANJiananSONGYizhou
作者单位：DepartmentofAutomotiveEngineering,TsinghuaUniversity
母体文献：2018中国汽车工程学会年会论文集
会议名称：2018中国汽车工程学会年会  
会议时间：2018年11月1日
会议地点：上海
主办单位：中国汽车工程学会
语种：chi
分类号：
关键词：Diesel-Braytoncombinedcycleengine  T-junction  solenoidvalve  strategyoptimization
在线出版日期：2021年9月26日
基金项目：
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ValveControlStrategyOptimizationofaNewTypeofDieselBraytonCombinedCycleEngine.pdf

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