DIN EN ISO 4264-2007 石油产品.用四变量方程计算中间馏份燃料的十六烷指数

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【英文标准名称】:Petroleumproducts-Calculationofcetaneindexofmiddle-distillatefuelsbyfour-variableequation(ISO4264:2007)EnglishversionofDINENISO4264:2007-11
【原文标准名称】:石油产品.用四变量方程计算中间馏份燃料的十六烷指数
【标准号】:DINENISO4264-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车燃料;十六烷值;测定;馏出物;燃料;索引;液体燃料;材料测试;数学计算;参数;石油产品;数量调查
【英文主题词】:Automotivefuels;Cetanenumber;Determination;Distillates;Fuels;Indexes;Liquidfuels;Materialstesting;Mathematicalcalculations;Parameters;Petroleumproducts;Quantitysurveying
【摘要】:TheinternationalStandarddescribesaprocedureforthecalculationofthecetaneindexofmiddle-distillatefuelsfrompetroleum-derivedsources.Thecalculatedcalueistermedthe"cetaneindexbyfour-cariableequation"ThroughouttheremainingtextofthisinternationalStandard,theterm"cetaneindex"impliescetaneindexbyfour-variableequation.ThisinternationalStandardisnotapplicabletofuelscontainingadditivesforraisingthecetanenumber,nortopurehydrocarbons,nortodistillatefuelsderivedfromcoal.Itisapplicabletofuelscontainingnon-petroleumderivativesfromtarsandandoilshale.NOTE1ThisinternationalStandardwasoriginallydevelopedusingamatrixoffuels,someofwhichcontainnonpetrolemuderivatesformtarsandsandoilshale.Othercetaneindexequationshavesincebeendevelopedwhichcanbemoreapplicabletotarsandsproducts.NOTE2Thecetaneendexisnotanalternativewaytoexpressthecetanenumber;itisasupplementarytool,tobeusedwithdueregardforitslimitations.NOTE3Thecetaneindexisusedtoestimatethecetanenumberofdieselfuelwhenatestengineisnotavailabletodeterminethispropertydirectly,orwheninsufficientsampleisavailableforanenginerating.Incaseswherethecetanenumberofafuelhasbeenprebiouslyestablished,thecetaneindexcanbeusedtoverifythecentanenumberofsubsequentsamplesofthatfuel,probidedthefuel'sourceandmodeofmanufactureremainunchanged.ThececommendedrangeoffuelpropertiesforapplicationofthisinternationalStandardisasfollow:FuelpropertyRecommendedrangeCetanenumber32,5-56,5Densityat15°C,kg/m3805,0-895,010%(V/V)distillationrecoverytemperature,°C171-25950%(V/V)distillationrecoverytemperature,°C212-30890%(V/V)distillationrecoverytemperature,°C251-363Withintherecommendedrangeofcetanenumber(32,5to56,5),theexpectederrorofthepredictionviathecetaneindexequationwillbelessthan±2cetanenumbersfor65%ofthedistillatefuelsexamined.Errorsmaybegreaterforfuelswhosepropertiesfalloutsidetherecommendedrangeofapplication.
【中国标准分类号】:E30
【国际标准分类号】:75_160_20
【页数】:12P.;A4
【正文语种】:德语