【英文标准名称】:Petroleumproducts-Determinationoftheignitionqualityofdieselfuels-Cetaneenginemethod
【原文标准名称】:石油产品柴油着火性能的测定十六烷值法
【标准号】:ISO5165-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;点火;测定;质量;十六烷值;机动车燃料;柴油;燃料;定义
【英文主题词】:Automotivefuels;Cetanenumber;CFR-testengine;Definitions;Determination;Dieselfuels;Fuels;Ignitability;Ignition;Ignitiondelay;Mathematicalcalculations;Petroleumproducts;Quality;Testing;Timingofignition
【摘要】:ThisInternationalStandardestablishestheratingofdieselfueloilintermsofanarbitraryscaleofcetanenumbersusingastandardsinglecylinder,four-strokecycle,variablecompressionratio,indirectinjecteddieselengine.Thecetanenumberprovidesameasureoftheignitioncharacteristicsofdieselfueloilincompressionignitionengines.Thecetanenumberisdeterminedatconstantspeedinapre-combustionchamber-typecompressionignitiontestengine.However,therelationshipoftestengineperformancetofullscale,variablespeed,variableloadenginesisnotcompletelyunderstood.ThisInternationalStandardisapplicablefortheentirescalerangefromzerocetanenumber(CN)to100CNbuttypicaltestingisintherangeof30CNto65CN.Thistestmaybeusedforunconventionalfuelssuchassynthetics,vegetableoils,etc.However,therelationshiptotheperformanceofsuchmaterialsinfullscaleenginesisnotcompletelyunderstood.Sampleswithfluidpropertiesthatinterferewiththegravityflowoffueltothefuelpumpordeliverythroughtheinjectornozzlearenotsuitableforratingbythismethod.NOTE1ThisInternationalStandardspecifiesoperatingconditionsinSIunitsbutenginemeasurementsarespecifiedininch-poundunitsbecausethesearetheunitsusedinthe-manufactureoftheequipment,andthussomereferencesinthisInternationalStandardincludetheseunitsinparenthesis.NOTE2ForthepurposesofthisInternationalStandard,theexpression"%(V/V)"isusedtorepresentthevolumefractionofamaterial.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:15P.;A4
【正文语种】:英语