ASTM D2700-2011 火花点火发动机燃料的发动机辛烷值的试验方法

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【英文标准名称】:StandardTestMethodforMotorOctaneNumberofSpark-IgnitionEngineFuel
【原文标准名称】:火花点火发动机燃料的发动机辛烷值的试验方法
【标准号】:ASTMD2700-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:航空等级;导板台;爆震强度;发动机辛烷值
【英文主题词】:aviationrating;guidetable;knockintensity;motoroctanenumber
【摘要】:MotorO.N.correlateswithcommercialautomotivespark-ignitionengineantiknockperformanceundersevereconditionsofoperation.MotorO.N.isusedbyenginemanufacturers,petroleumrefinersandmarketers,andincommerceasaprimaryspecificationmeasurementrelatedtothematchingoffuelsandengines.Empiricalcorrelationsthatpermitcalculationofautomotiveantiknockperformancearebasedonthegeneralequation:1.1Thislaboratorytestmethodcoversthequantitativedeterminationoftheknockratingofliquidspark-ignitionenginefuelintermsofMotoroctanenumberexceptthatthistestmethodmaynotbeapplicabletofuelandfuelcomponentsthatareprimarilyoxygenates.Thesamplefuelistestedinastandardizedsinglecylinder,four-strokecycle,variablecompressionratio,carbureted,CFRengineruninaccordancewithadefinedsetofoperatingconditions.Theoctanenumberscaleisdefinedbythevolumetriccompositionofprimaryreferencefuelblends.Thesamplefuelknockintensityiscomparedtothatofoneormoreprimaryreferencefuelblends.TheoctanenumberoftheprimaryreferencefuelblendthatmatchestheknockintensityofthesamplefuelestablishestheMotoroctanenumber.1.2Theoctanenumberscalecoverstherangefrom0to120octanenumber,butthistestmethodhasaworkingrangefrom40to120octanenumber.Typicalcommercialfuelsproducedforautomotivespark-ignitionenginesrateinthe80to90Motoroctanenumberrange.Typicalcommercialfuelsproducedforaviationspark-ignitionenginesrateinthe98to102Motoroctanenumberrange.TestingofgasolineblendstocksorotherprocessstreammaterialscanproduceratingsatvariouslevelsthroughouttheMotoroctanenumberrange.1.3ThevaluesofoperatingconditionsarestatedinSIunitsandareconsideredstandard.Thevaluesinparenthesesarethehistoricalinch-poundsunits.ThestandardizedCFRenginemeasurementscontinuetobeininch-poundunitsonlybecauseoftheextensiveandexpensivetoolingthathasbeencreatedforthisequipment.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Formorespecifichazardstatements,seeSection8,13.4.1,14.5.1,15.6.1,AnnexA1,A2.2.3.1,A2.2.3.3(6)and(9),A2.3.5,X3.3.7,X4.2.3.1,X4.3.4.1,X4.3.9.3,X4.3.12.4,andX4.5.1.8.
【中国标准分类号】:
【国际标准分类号】:75_160_20
【页数】:56P.;A4
【正文语种】: