资源描述:
《直喷增压柴油机缸内碳烟生成的数值模拟》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、Abstractfog’sdistributioninthespatialisuniformly,eventhemixedrateoftheairandthefueloil
becomesquickly.Therefore,themethodofusingfivespraynozzlesormorenozzles,minor
diameter'sspraynozzle,simultaneouslyconsideringthattheoillineandthecombustion
shape'smatch,mayfurtherincreasestheareaoffueloilandthea
2、ircontacting,andreduces
HCandtheemissionsofsoot.Thepressuretestvalueswhenadvancedangleis9degreeand13degreesuit
completelytothepredictedvalue,indicatingthatthecombustionmodelsuitscompletelyto
thecylinderinternalcombustionsituationanalysisandtheemissionsproductpredicton
thisdieselengine,alsoindicat
3、ingthatthemethodofnumericalsimulationdefinitelymay
replacethepartialengineexperimenttocarryontheoptimizationtotheengine.Keywords:DIdieselengine,Inflammablemixturegas,NO,Soot,fuelinjectionadvanced
angle,oilconelineVI大摘要NumericalSimulationofSootProductionProcess
inTurbo-chargedDIDieselEngineTOTALAB
4、STRCTTheinternalcombustionengineasoneofpowerequipment'shasobtainedthewidespreadapplicationinautomobiles,ships,nationaldefenseandsoon,hashadthehugeinfluenceonthehumanlive,butitproducedtheharmfulwastegasandthenoisehadtheseriousharmtotheenvironment,endangeredtopeople'shealthandthesafety.Atpresentalo
5、ngwiththeresourcesday-by-daydepletion,theoilpriceclimbsunceasinglyandthepeople’senvironmentalconsciousnessenhancement,leadmoreandmorehighrequesttointernalcombustionengine'spower,theefficiency,thedurabilityandtheemissions.BecauseDIdieselenginehavemanyadvantages,suchasthelowoilconsumption,lowCO2dis
6、charges,thelowheatloadandeasilystartedoncoldconditionandsoon,Andalongwiththetechnicaldevelopment,
especiallytheelectricallycontrolledblowsystem'sresearchandtheuse,theDI
dieselengine'sperformanceobtainedstraightenhances.ForallthistheDIdiesel
engine'sharmfulemissionstilltohavemany,includingHC,CO,NO
7、xandthecarbon
smokeparticlesandsoon,alongwithsavedtheenergyandtheenvironmental
protectionrequestenhancement,theresearchonreducingthedieselengine’s
harmfulemissionhadalreadybeenthemostactiveaspectondieselengine’sresearc