【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
基本信息
| 标准名称： | 铟化学分析方法 甲基绿分光光度法测定铊量 |
| 中标分类： |
冶金 >>
金属化学分析方法 >>
稀有金属及其合金分析方法 |
| 替代情况： | 原标准号GB 8221.3-87;被YS/T 276.3-2011代替 |
| 发布日期： | |
| 实施日期： | 2003-06-05 |
| 首发日期： | |
| 作废日期： | 2012-07-01 |
| 出版日期： | |
适用范围
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前言
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引用标准
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所属分类： 冶金 金属化学分析方法 稀有金属及其合金分析方法