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GB 17691-2005 车用压燃式、气体燃料点燃式发动机与汽车排气污染物排放限值及测量方法(英文).pdf

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GB 17691-2005 车用压燃式、气体燃料点燃式发动机与汽车排气污染物排放限值及测量方法(英文).pdf

GB1769120051NATIONALSTANDARDOFTHEPEOPLESREPUBLICOFCHINALIMITSANDMEASUREMENTMETHODSFOREXHAUSTPOLLUTANTSFROMCOMPRESSIONIGNITIONANDGASFUELLEDPOSITIVEIGNITIONENGINESOFVEHICLESIII,IV,VREPLACEOFGB176912001REPLACEOFPARTOFGB1476220021SCOPETHISSTANDARDSTIPULATESLIMITSANDMEASUREMENTMETHODFORGASEOUSANDPARTICULATEPOLLUTANTSFROMEXHAUSTGASOFCOMPRESSIONIGNITIONCIENGINESFORROADVEHICLEUSEANDVEHICLESEQUIPPEDWITHCIENGINES,ANDFORGASEOUSPOLLUTANTSFROMMOTORVEHICLESEQUIPPEDWITHPOSITIVEIGNITIONENGINESFUELLEDWITHNATURALGASNGORLIQUEFIEDPETROLEUMGASLPGANDSUCHENGINESTHISSTANDARDAPPLIESTOTHECIENGINESINCLUDINGPOSITIVEIGNITIONENGINESFUELLEDWITHGASEOUSFUELUSEDFORDRIVINGMOTORVEHICLESOFCATEGORIESOFM2,M3,N1,N2ANDN3HAVINGADESIGNSPEEDEXCEEDING25KM/HANDVEHICLESOFCATEGORIESM1HAVINGATOTALMASSEXCEEDING3500KG,ANDTOTHETYPEAPPROVAL,THEINSPECTIONOFCONFORMITYOFPRODUCTIONANDTHEINSPECTIONOFCONFORMITYOFINSERVICEVEHICLESTHISSTANDARDDOSENOTAPPLYTOTHECIENGINESUSEDBYCATEGORYN1ANDM2POWERDRIVENVEHICLESWHICHAREAPPROVEDACCORDINGTOGB1835232005LIMITSANDMEASUREMENTMETHODSFOREMISSIONSFROMLIGHTDUTYVEHICLESIII,IV2NORMATIVEREFERENCETHEFOLLOWINGSTANDARDSCONTAINPROVISIONS,WHICH,THROUGHREFERENCEINTHISTEXT,CONSTITUTEPROVISIONSOFTHISSTANDARDFORUNDATEDREFERENCES,THELATESTEDITIONOFTHEDOCUMENTREFERREDTOAPPLIESGB/T150891994MOTORVEHICLESANDTRAILERSCLASSIFICATIONGB/T17692MEASUREMENTMETHODSOFNETPOWERFORAUTOMOTIVEENGINESGB18047AUTOMOTIVECOMPRESSEDNATURALGASGB1835232005LIMITSANDMEASUREMENTMETHODSFOREMISSIONSFROMLIGHTDUTYVEHICLESIII,IVGB/T19147AUTOMOTIVEDIESELGB19159AUTOMOTIVELIQUEFIEDPETROLEUMGAS3TERMSANDDEFINITIONSFORTHEPURPOSESOFTHISSTANDARD,FOLLOWINGTERMSANDDEFINITIONSAPPLY31EXHAUSTPOLLUTANTSMAINLYINCLUDEGASEOUSPOLLUTANTSANDPARTICULATEMATTERSGB1769120052GASEOUSPOLLUTANTSMEANCARBONMONOXIDECO,HYDROCARBONSHCASSUMINGARATIONOFCH185FORDIESEL,CH2525FORLPG,CH293FORNGNMHCANDCH4FORNGANDOXIDESOFNITROGENEXPRESSEDINNITROGENDIOXIDENO2EQUIVALENTPARTICULATEMATTERSMEANANYMATERIALCOLLECTEDONASPECIFIEDFILTERMEDIUMAFTERDILUTINGTHEEXHAUSTWITHCLEANFILTEREDAIRSOTHATTHETEMPERATUREDOESNOTEXCEED325K5232VEHICLESOFCATEGORIESOFM1,M2,M3,N1,N2,ANDN3ACCORDINGTOGB/T150892001VEHICLESOFCATEGORYM1REFERTOTHOSEUSEDFORTHECARRIAGEOFPASSENGERSANDCOMPRISINGNOTMORETHANEIGHTSEATSINADDITIONTOTHEDRIVERSSEATVEHICLESOFCATEGORYM2REFERTOTHOSEUSEDFORTHECARRIAGEOFPASSENGERS,COMPRISINGMORETHANEIGHTSEATSINADDITIONTOTHEDRIVERSSEAT,ANDHAVINGAMANUFACTURERDESIGNEDMAXIMUMMASSNOTEXCEEDING5TVEHICLESOFCATEGORYM3REFERTOTHOSEUSEDFORTHECARRIAGEOFPASSENGERS,COMPRISINGMORETHANEIGHTSEATSINADDITIONTOTHEDRIVERSSEAT,ANDHAVINGAMANUFACTURERDESIGNEDMAXIMUMMASSEXCEEDING5TVEHICLESOFCATEGORYN1REFERTOTHOSEUSEDFORTHECARRIAGEOFGOODSANDHAVINGAMANUFACTURERDESIGNEDMAXIMUMMASSNOTEXCEEDING35TVEHICLESOFCATEGORYN2REFERTOTHOSEUSEDFORTHECARRIAGEOFGOODSANDHAVINGAMANUFACTURERDESIGNEDMAXIMUMMASSEXCEEDING35TBUTNOTEXCEEDING12TVEHICLESOFCATEGORYN3REFERTOTHOSEUSEDFORTHECARRIAGEOFGOODSANDHAVINGAMANUFACTURERDESIGNEDMAXIMUMMASSEXCEEDING12T33TESTCYCLEMEANSASEQUENCEOFTESTPOINTSEACHWITHADEFINEDSPEEDANDTORQUETOBEFOLLOWEDBYTHEENGINEUNDERSTEADYSTATEESCTESTORTRANSIENTOPERATINGCONDITIONSETC,ELRTEST34APPROVALOFANENGINEORANENGINEFAMILYMEANSTHEAPPROVALOFANENGINETYPEORANENGINEFAMILYWITHREGARDTOTHELEVELOFTHEEMISSIONOFEXHAUSTPOLLUTANTS35COMPRESSIONIGNITIONENGINEMEANSANENGINEWHICHWORKSONTHECOMPRESSIONIGNITIONPRINCIPLE36ENGINEFUELLEDWITHGASEOUSFUELMEANSANENGINEFUELLEDWITHNATURALGASNGORLIQUEFIEDPETROLEUMGASLPG37ENGINETYPEMEANSACATEGORYOFENGINESWHICHDONOTDIFFERINSUCHESSENTIALRESPECTSASENGINECHARACTERISTICSASDEFINEDINANNEXATOTHISSTANDARD38ENGINEFAMILYMEANSAMANUFACTURER’SGROUPINGOFENGINES,WHICH,THROUGHTHEIRDESIGNASDEFINEDINANNEXABGB1769120053TOTHISSTANDARD,HAVESIMILAREXHAUSTEMISSIONCHARACTERISTICS;ALLMEMBERSOFTHEFAMILYMUSTCOMPLYWITHTHEAPPLICABLEEMISSIONLIMITVALUES39PARENTENGINEMEANSANENGINESELECTEDFROMANENGINEFAMILYINSUCHAWAYTHATITSEMISSIONSCHARACTERISTICSWILLBEREPRESENTATIVEFORTHATENGINEFAMILY310SMOKEMEANSPARTICLESSUSPENDINTHEEXHAUSTSTREAMOFADIESELENGINEWHICHABSORB,REFLECTORREFRACTLIGHT311NETPOWERMEANSTHEPOWEROBTAINEDONTHETESTBENCHATTHEENDOFTHECRANKSHAFT,ORITSEQUIVALENT,MEASUREDINACCORDANCEWITHTHEMETHODOFMEASURINGTHEPOWERASDESCRIBEDINGB/T17962312MAXIMUMNETPOWERPMAXMEANSTHEMAXIMUMNETPOWERDECLAREDBYTHEMANUFACTURERINHISAPPLICATIONFORTYPEAPPROVAL313PERCENTLOADMEANSTHEFRACTIONOFTHEMAXIMUMAVAILABLETORQUEATANENGINESPEED314ESCTESTEUROPEANSTEADYSTATECYCLEMEANSATESTCYCLECONSISTINGOF13STEADYSTATEMODESTOBEAPPLIEDINACCORDANCEWITHSECTION72OFTHISSTANDARD315ELRTESTEUROPEANLOADRESPONSETESTMEANSATESTCYCLECONSISTINGOFASEQUENCEOFLOADSTEPSATCONSTANTENGINESPEEDSTOBEAPPLIEDINACCORDANCEWITHSECTION72OFTHISSTANDARD316ETCTESTEUROPEANTRANSIENTCYCLEMEANSATESTCYCLECONSISTINGOF1800SECONDBYSECONDTRANSIENTMODESTOBEAPPLIEDINACCORDANCEWITHSECTION72OFTHISSTANDARD317ENGINEOPERATINGSPEEDRANGEMEANSTHEENGINERANGE,MOSTFREQUENTLYUSEDDURINGENGINEFIELDOPERATION,WHICHLIESBETWEENTHELOWANDHIGHSPEEDS,ASSETOUTINFIGURE1318LOWSPEEDNLOMEANSTHELOWESTENGINESPEEDWHERE50OFTHEDECLAREDMAXIMUMPOWEROCCURS319HIGHSPEEDNHIMEANSTHEHIGHESTENGINESPEEDWHERE70OFT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

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