ASTM D4737-2010 四变量公式法计算十六烷指数的标准试验方法
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【英文标准名称】:StandardTestMethodforCalculatedCetaneIndexbyFourVariableEquation
【原文标准名称】:四变量公式法计算十六烷指数的标准试验方法
【标准号】:ASTMD4737-2010
【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.E0.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cetane;cetaneindex;dieselfuel;CalculatedCetaneIndex(CCI);Density--petroleumproducts;Distillatefuels;Distillation--petroleumproducts;Fourvariableequation;Fueloils;Nonpetroleumderivatives(offuel);Shale;Tarsands
【摘要】:TheCalculatedCetaneIndexbyFourVariableEquationisusefulforestimatingASTMcetanenumberwhenatestengineisnotavailablefordeterminingthispropertydirectlyandwhencetaneimproverisnotused.Itmaybeconvenientlyemployedforestimatingcetanenumberwhenthequantityofsampleavailableistoosmallforanenginerating.IncaseswheretheASTMcetanenumberofafuelhasbeenpreviouslyestablished,theCalculatedCetaneIndexbyFourVariableEquationisusefulasacetanenumbercheckonsubsequentbatchesofthatfuel,providedthefuel''ssourceandmodeofmanufactureremainunchanged.Note28212;TestMethodsD6890andD7170maybeusedtoobtainaDerivedCetaneNumber(DCN)whenthequantityofsampleistoosmallforanenginetest.Thesemethodsdomeasuretheeffectofcetaneimprover.Withintherangefrom32.5to56.5cetanenumber,theexpectederrorofpredictionofProcedureAoftheCalculatedCetaneIndexbyFourVariableEquationwillbelessthanx00B1;2cetanenumbersfor65%ofthedistillatefuelsevaluated.Errorsmaybegreaterforfuelswhosepropertiesfalloutsidetherecommendedrangeofapplication.1.1ThecalculatedCetaneIndexbyFourVariableEquationprovidesameansforestimatingtheASTMcetanenumber(TestMethodD613)ofdistillatefuelsfromdensityanddistillationrecoverytemperaturemeasurements.ThevaluecomputedfromtheequationistermedtheCalculatedCetaneIndexbyFourVariableEquation.1.2TheCalculatedCetaneIndexbyFourVariableEquationisnotanoptionalmethodforexpressingASTMcetanenumber.ItisasupplementarytoolforestimatingcetanenumberwhenaresultbyTestMethodD613isnotavailableandifcetaneimproverisnotused.Asasupplementarytool,theCalculatedCetaneIndexbyFourVariableequationmustbeusedwithdueregardforitslimitations.1.3ProcedureAistobeusedforSpecificationD975,GradesNo.1x2013;DS15,No.1x2013;DS500,No.1x2013;DS5000,No.2x2013;DS15,No.2x2013;DS5000,andNo.4x2013;D.ThismethodforestimatingcetanenumberwasdevelopedbyChevronResearchCo.ProcedureAisbasedonadatasetincludingarelativelysmallnumberofNo.1x2013;Dfuels.TestMethodD4737ProcedureAmaybelessapplicabletoNo.1x2013;DS15,No.1x2013;DS500,andNo.1x2013;DS5000thantoNo.2x2013;DgradeS5000ortoNo.4x2013;Dfuels.1.3.1ProcedureAhasbeenverifiedasapplicabletoGradeNo.2x2013;DS15dieselfuels.1.4ProcedureBistobeusedforSpecificationD975,GradeNo.2x2013;DS500.1.5Thetestmethodx201C;CalculatedCetaneIndexbyFourVariableEquationx201D;isparticula......
【中国标准分类号】:G16
【国际标准分类号】:75_160_20
【页数】:5P.;A4
【正文语种】:英语
【原文标准名称】:四变量公式法计算十六烷指数的标准试验方法
【标准号】:ASTMD4737-2010
【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.E0.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cetane;cetaneindex;dieselfuel;CalculatedCetaneIndex(CCI);Density--petroleumproducts;Distillatefuels;Distillation--petroleumproducts;Fourvariableequation;Fueloils;Nonpetroleumderivatives(offuel);Shale;Tarsands
【摘要】:TheCalculatedCetaneIndexbyFourVariableEquationisusefulforestimatingASTMcetanenumberwhenatestengineisnotavailablefordeterminingthispropertydirectlyandwhencetaneimproverisnotused.Itmaybeconvenientlyemployedforestimatingcetanenumberwhenthequantityofsampleavailableistoosmallforanenginerating.IncaseswheretheASTMcetanenumberofafuelhasbeenpreviouslyestablished,theCalculatedCetaneIndexbyFourVariableEquationisusefulasacetanenumbercheckonsubsequentbatchesofthatfuel,providedthefuel''ssourceandmodeofmanufactureremainunchanged.Note28212;TestMethodsD6890andD7170maybeusedtoobtainaDerivedCetaneNumber(DCN)whenthequantityofsampleistoosmallforanenginetest.Thesemethodsdomeasuretheeffectofcetaneimprover.Withintherangefrom32.5to56.5cetanenumber,theexpectederrorofpredictionofProcedureAoftheCalculatedCetaneIndexbyFourVariableEquationwillbelessthanx00B1;2cetanenumbersfor65%ofthedistillatefuelsevaluated.Errorsmaybegreaterforfuelswhosepropertiesfalloutsidetherecommendedrangeofapplication.1.1ThecalculatedCetaneIndexbyFourVariableEquationprovidesameansforestimatingtheASTMcetanenumber(TestMethodD613)ofdistillatefuelsfromdensityanddistillationrecoverytemperaturemeasurements.ThevaluecomputedfromtheequationistermedtheCalculatedCetaneIndexbyFourVariableEquation.1.2TheCalculatedCetaneIndexbyFourVariableEquationisnotanoptionalmethodforexpressingASTMcetanenumber.ItisasupplementarytoolforestimatingcetanenumberwhenaresultbyTestMethodD613isnotavailableandifcetaneimproverisnotused.Asasupplementarytool,theCalculatedCetaneIndexbyFourVariableequationmustbeusedwithdueregardforitslimitations.1.3ProcedureAistobeusedforSpecificationD975,GradesNo.1x2013;DS15,No.1x2013;DS500,No.1x2013;DS5000,No.2x2013;DS15,No.2x2013;DS5000,andNo.4x2013;D.ThismethodforestimatingcetanenumberwasdevelopedbyChevronResearchCo.ProcedureAisbasedonadatasetincludingarelativelysmallnumberofNo.1x2013;Dfuels.TestMethodD4737ProcedureAmaybelessapplicabletoNo.1x2013;DS15,No.1x2013;DS500,andNo.1x2013;DS5000thantoNo.2x2013;DgradeS5000ortoNo.4x2013;Dfuels.1.3.1ProcedureAhasbeenverifiedasapplicabletoGradeNo.2x2013;DS15dieselfuels.1.4ProcedureBistobeusedforSpecificationD975,GradeNo.2x2013;DS500.1.5Thetestmethodx201C;CalculatedCetaneIndexbyFourVariableEquationx201D;isparticula......
【中国标准分类号】:G16
【国际标准分类号】:75_160_20
【页数】:5P.;A4
【正文语种】:英语
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