基于碳平衡法的柴油车燃油消耗计算模型

(710061):;,,,,,,,,,,,::TK421:A:1671-0630(2010)02-0067-03DieselVehicleFuelConsumptionCalculatingModelBasedonCarbonBalanceMethodSunLiwei,WangShengchang,WangXiaodong,OuyangXueSchoolofAutomotiveEngineering,Chang’anUniversity(Xi’an,Shanxi,710061,China)Abstract:Thispaperdescribesthebasicprincipleofcarbonbalancefuelconsumptionanalysis,andanalyzesthedifferentcarbonbalancecalculationmodelsinthefuelconsumptionstandardsofAustralia,Japan,USandEU,whichdidnotconsidertheelementcarbonintheparticulatematterofemissionsfromdieselvehicles.Asthemolecularweightofdieselislarge,dieselengineisofdirectinjectionandmixtureisinhomogeneous,thecombustionofpartoffuelcannotbecomplete,andfuelinhightemperaturedecomposesintocarbon2basedparticles.Whenthedieselvehiclesspeeduporareinpoorcondition,theywillproducemorecarbonparticle.Basedontheoriginalmodel,thecorrectiontermofemissionsofparticulatematterisconsideredtobethenewterm,atlasttheamendaterymodelisavailable.Throughtheanalysisofthisformula,theamendaterymodelcomestobemorereasonableandmoreprecise.Keywords:Carbonbalancemethod,Fuelconsumption,Particulatematter,COCO2HC,,1AS2077-1982:FE=HCmassfractionHC+COmassfractionCO+CO2massfractionCO2fractionHCF10(L(100km)-1)(1):HCmassHC,g/km;COmassCO,g/km;CO2massCO2,g/km;fractionHC:(1985-),,,39220104SMALLINTERNALCOMBUSTIONENGINEANDMOTORCYCLEVol.39No.2Apr.2010CHC=0.865610.82186;fractionCOCOC=0.42881;fractionCO2CO2C=0.27292F0.830kgL-1,:FE=HCmass0.866+COmass0.429+CO2mass0.2737.18(L(100km)-1)(2),,,,,100km,,;,,()22.1,K,K,NK,qr:qi=GrexhN/L(3):qr-1kmN,m3km-1;Grexh-Lkm,m3;N-,%;L-,kmKN-(Beer-Lambert),:N=(1-I/I0)100%=(1-eKL1)100%(4):I0;I;L1,mCO2H2O,COHCCO2N2,C,lkg:M=MCO+MCO2+MH2O+MC+MO2+MN2=gc12+gH2+gC24+L0-0.21L0(5):MCOMCO2MH2OMCMO2MN21kgCOCO2H2OCO2N2,:kg-mol/kg:MCO=gc12;MCO2=(1--)gc12;MC=gc12;MH2O=gH2;MN2=0.79L0;MO2=0.21(-1)L0+12gc12,gc1kg,kg;gH1kg,kg;;CO;;L0,14.7L0=10.21(gc12+gH4)(5),:M=gH4+gc24+L0(6),,L=L0CO,,0,:=ML=1+gH4L0(7)HC1kggH=0.1250.135kg,gH=0.130kgmf,:Grexh=mfL0(1+gH4L0)/1.29(8):Grexh-,m3km-1;mf-,Lkm-1,K,qr=t011.29mfL0(1+0.1304L0)Ndt(9)N=(1-e-KL1)100%(10):N-,100%;K-,m-1;qr-,m3km-18639,,,:qr=11.29mf…L0(1+0.1304…L0)N(11)2.2::qr=GrexhN/L(m3km-1)(12):K=0.0061C-0.01641(13):C,mgm-3,C=K+0.016410.0061(mgm-3)(14),:m=mfL0(1+gH4L01.29)(1-e-KL1)K+0.016410.0061(15)mgkm-1::m=m30%103(gkm-1)(16):20%40%,30%mf=FE100(17):mf1km,Lkm-1;100km:mFEL0(1+gH4L0)(1-e-KL1)(K+0.01641)0.31290.0061103(gkm-1)(18):FE=(HCmass0.866+COmass0.429+CO2mass0.273)26231.883104-L0(1+gH4L0)(1-e-KL1)(K+0.01641)(L(100km)-1)(19)K:FE=(HCmass0.866+COmass0.429+CO2mass0.273)26231.883104-…L0(1+gH4L0)(1-e-KL1)(K+0.01641)(L(100km)-1)(20)31),,2),,3),,,4):,10%,,,,,,C/H,C/(C+H),,1,,.[J].,2004,10(4):12192,.[M].:,2007.1041053,,.[J].,2003,25(3):2942964,,.-[J].,2007,30(2):80835S.K.SingalandB.P.Pundir.DieselFuelQualityandPartic2ulateEmission:AnOverview.SAE,9611856B.P.Pundir,S.K.Singal,andA.K.Gondal.DiselFuelQuality:EnginePerformanceandEmissions.SAE9420207,,.[J].,2005,5(4):14168,,.[J].,2008,39(4):43469,.[J].,2005(4):121410,.[J].,2008,2(1):3133(:2009-05-08)962: