【英文标准名称】:StandardTestMethodforDeterminationofIgnitionDelayandDerivedCetaneNumber(DCN)ofDieselFuelOilsbyCombustioninaConstantVolumeChamber
【原文标准名称】:用等容室燃烧法测定柴油的点火延迟和衍生十六烷值(DCN)的标准试验方法
【标准号】:ASTMD6890-2010a
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:
【英文主题词】:cetanenumber;derivedcetanenumber;dieselperformance;ignitioncharacteristic;ignitiondelay;Automatedprocedures--petroleumproductsanalysis;Cetanenumber;Constantvolumechamber;Derivedcetanenumber(DCN);Dieselenginefueloils;Dieselper
【摘要】:TheIDandDCNvaluesdeterminedbythistestmethodcanprovideameasureoftheignitioncharacteristicsofdieselfueloilincompressionignitionengines.Thistestcanbeusedbyenginemanufacturers,petroleumrefinersandmarketers,andincommerceasaspecificationaidtorelateormatchfuelsandengines.TherelationshipofdieselfueloilDCNdeterminationstotheperformanceoffull-scale,variable-speed,variable-loaddieselenginesisnotcompletelyunderstood.Thistestmaybeappliedtonon-conventionalfuels.Itisrecognizedthattheperformanceofnon-conventionalfuelsinfull-scaleenginesisnotcompletelyunderstood.Theuseristhereforecautionedtoinvestigatethesuitabilityofignitioncharacteristicmeasurementsforpredictingperformanceinfull-scaleenginesforthesetypesoffuels.Thistestdeterminesignitioncharacteristicsandrequiresasampleofapproximately100mLandatesttimeofapproximately20minonafit-for-useinstrument.1.1Thisautomatedlaboratorytestmethodcoversthequantitativedeterminationoftheignitioncharacteristicsofconventionaldieselfueloil,oil-sandsbasedfuels,blendsoffuelcontainingbiodieselmaterial,dieselfueloilscontainingcetanenumberimproveradditives,andisapplicabletoproductstypicalofASTMSpecificationD975gradesNo.1-Dand2-Dregularandlow-sulfurdieselfueloils,EuropeanstandardEN590,andCanadianstandardsCAN/CGSB-3.517and3.6-2000.Thetestmethodmayalsobeappliedtothequantitativedeterminationoftheignitioncharacteristicsofdieselfuelblendingcomponents.1.2Thistestmethodmeasurestheignitiondelayandutilizesaconstantvolumecombustionchamberwithdirectfuelinjectionintoheated,compressedair.AnequationcorrelatesanignitiondelaydeterminationtocetanenumberbyTestMethodD613,resultinginaderivedcetanenumber(DCN).1.3Thistestmethodcoverstheignitiondelayrangefrom3.1to6.5ms(64to33DCN).Thecombustionanalyzercanmeasureshorterandlongerignitiondelays,butprecisionmaybeaffected.FortheseshorterorlongerignitiondelaysthecorrelationequationforDCNisgiveninAppendixX2.ThereisnoinformationabouthowDCNsoutsidethe33to64rangecomparetoTestMethodD613cetanenumbers.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:43_060_40
【页数】:16P.;A4
【正文语种】:英语