【英文标准名称】:Reciprocatinginternalcombustionengines-Exhaustemissionmeasurement-Test-bedmeasurementofgaseousandparticulateexhaustemissions
【原文标准名称】:往复式内燃机.排放污染测定.气态和颗粒状排放污染物的试验台测定法
【标准号】:BSENISO8178-1-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-12-15
【实施或试行日期】:1996-12-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:效率;抽样方法;试验设备;采样设备;准确度;误差修正;气相色谱法;试验条件;再现性;粒状材料;湿度;数学计算;校正;铁道车辆;图示;误差;氧;燃烧产物;直径;海上运输;气体分析;甲醛;脂族烃;甲醇;往复式发动机;甲烷;工业的;一氧化碳;公式;施工设备;漏泄试验;流量率;陆路运输;氨;干扰(化学);芳烃;二氧化碳;排气;土方机械;氮氧化合物;内燃机;过滤器
【英文主题词】:Definitions;Emission;Exhaustgases;Exhaustmeasurement;Gaseous;Internalcombustionengines;Mathematicalcalculations;Measurement;Measuringtechniques;Particles;Particulatemattermeasurement;Reciprocatinginternalcombustionengines;Testfurnaces;Testing;Testingconditions
【摘要】:ThispartofISO8178specifiesthemeasurementandevaluationmethodsforgaseousandparticulateexhaustemissionfromreciprocatinginternalcombustionengines(RICengines)understeady-stateconditionsonatestbed,necessaryfordeterminingoneweightedvalueforeachexhaustgaspolluant.Variouscombinationsofengineloadandspeedreflectdifferentengineapplications(seeISO8178-4).ThispartofISO8178isapplicabletoRICenginesformobile,transportableandstationaryuse,excludingenginesformotorvehiclesprimarilydesignedforroaduse.ThispartofISO8178maybeappliedtoenginesusede.g.inearth-movingmachines,generatingsetsandforotherapplications.Inlimitedinstances,theenginecanbetestedonthetestbedinaccordancewithISO8178-2,thefieldtestdocument.Thiscanonlyoccurwiththeagreementofthepartiesinvolved.Itshouldberecognizedthatdataob-tainedunderthesecircumstancesmaynotagreecompletelywithpreviousorfuturedataobtainedundertheauspicesofthispartofISO8178.Therefore,itisrecommendedthatthisoptionbeexercisedonlywithenginesbuiltinverylimitedquantitiessuchasverylargemarineorgeneratingsetengines.Forenginesusedinmachinerycoveredbyadditionalrequirements(e.g.occupationalhealthandsafetyregulations,regulationsforpowerplants)additionaltestconditionsandspecialevaluationmethodsmayapply.Whereitisnotpossibletouseatestbedorwhereinformationisrequiredontheactualemissionsproducedbyanin-serviceengine,thesitetestproceduresandcalibrationmethodsspecifiedinISO8178-2areappropriate.NOTE1ThispartofISO8178isintendedforuseasameasurementproceduretodeterminethegaseousandpaniculateemissionlevelsofRICenginesfornon-automotiveuse.Itspurposeistoprovideamapofanengine'semissioncharacteristicswhich,throughuseoftheproperweightingfactors,canbeusedasanindicationofthatengine'semissionlevelsundervariousapplications.Theemissionresultsareexpressedinunitsofgramsperkilowatthourandrepresentthemassrateofemissionsperunitofworkaccomplished.AlthoughthispartofISO8178isdesignedfornon-automotiveengines,itsharesmanyprincipleswithparticulateandgaseousemissionmeasurementsthathavebeeninuseformanyyearsforon-roadengines.Onetestpro-cedurethatsharesmanyoftheseprinciplesisthefulldilutionmethodcurrentlyspecifiedforcertificationof1985andlaterheavydutytruckenginesintheUSA.Anotheristheprocedurefordirectmeasurementofthegaseousemissionsintheundilutedexhaustgas,ascurrentlyspecifiedforthecertificationofheavydutytruckenginesinJapanandEurope.Manyoftheproceduresdescribedbelowaredetailedaccountsoflaboratorymethods,sincedetermininganemissionsvaluerequiresperformingacomplexsetofindividualmeasurements,ratherthanobtainingasinglemeasuredvalue.Thus,theresultsobtaineddependasmuchontheprocessofperformingthemeasurementsastheydependontheengineandtestmethod.Evaluatingemissionsfromoff-roadenginesismorecomplicatedthanthesametaskforon-roadenginesduetothediversityofoff-roadapplications.Forexample,on-roadapplicationsprimarilyconsistofmovingaloadfromonepointtoanotheronapavedroadway.Theconstraintsofthepavedroadways,maximumacceptablepavementloadsandmaximumallowablegradesoffuel,narrowthescopeofon-roadvehicleandenginesizes.Off-roaden-ginesandvehiclesincludeawiderrangeofsize,includingtheenginesthatpowertheequipment.Manyoftheenginesarelargeenoughtoprecludetheapplicationoftestequipmentandmethodsthatwereacceptableforon-roadpurposes.Incaseswheretheapplicationofdynamometersisnotpossiblethetestsshallbemadeatsiteorunderappropriateconditions.
【中国标准分类号】:J90
【国际标准分类号】:13_040_40;27_020
【页数】:102P.;A4
【正文语种】:英语