NF B52-001-2-1987 建筑木材使用规则.第2部分:试验方法

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【英文标准名称】:RULESFORTIMBERUSEDINSTRUCTURE.PART2:TESTMETHODS.
【原文标准名称】:建筑木材使用规则.第2部分:试验方法
【标准号】:NFB52-001-2-1987
【标准状态】:作废
【国别】:法国
【发布日期】:1987-03
【实施或试行日期】:1987-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Q71;B69
【国际标准分类号】:
【页数】:7P;A4
【正文语种】:其他


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【英文标准名称】:Liquidpetroleumproducts-Determinationofignitiondelayandderivedcetanenumber(DCN)ofmiddledistillatefuelsbycombustioninaconstantvolumechamber
【原文标准名称】:液体石油产品.用等容室燃烧法测定中间馏出燃料的点火延迟和衍生十六烷值(DCN)
【标准号】:BSEN15195-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-06-29
【实施或试行日期】:2007-06-29
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车燃料;校正;十六烷值;CFR试验工程;燃烧室;交付使用;定义;测定;设备布置;柴油发动机;柴油;蒸馏物;燃料;着火性;点火;点火延迟;液体;材料测试;数学计算;性能检验;石油产品;精密度;质量;抽样方法;测试;定时点火
【英文主题词】:Automotivefuels;Calibration;Cetanenumber;CFR-testengine;Combustionchambers;Commissioning;Definition;Definitions;Determination;Devicearrangement;Dieselengines;Dieselfuels;Distillates;Fuels;Ignitability;Ignition;Ignitiondelay;Liquid;Materialstesting;Mathematicalcalculations;Performancecheck;Petroleumproducts;Precision;Quality;Samplingmethods;Testing;Timingofignition
【摘要】:Thisdocumentspecifiesatestmethodforthequantitativedeterminationofignitiondelayofmiddledistillatefuelsintendedforuseincompressionignitionengines.Themethodutilizesaconstantvolumecombustionchamberdesignedforoperationbycompressionignition,andemployingdirectinjectionoffuelintocompressedairthatiscontrolledtoaspecifiedpressureandtemperature.Anequationisgiventocalculatethederivedcetanenumber(DCN)fromtheignitiondelaymeasurement.Thisstandardisapplicabletodieselfuels,includingthosecontainingFAME.Themethodisalsoapplicabletomiddledistillatefuelsofnon-petroleumorigin.However,usersapplyingthisstandardespeciallytounconventionaldieselfuelsarewarnedthattherelationshipbetweenderivedcetanenumberandcombustionbehaviourinrealenginesisnotyetfullyunderstood.Thestandardcoverstheignitiondelayrangefrom3,3msto6,4ms(61DCNto34DCN).Thecombustionanalysercanmeasureshorterorlongerignitiondelays,butprecisioncanbeaffected.NOTEForthepurposeofthisEuropeanStandard,theexpression“%(V/V)”isusedtorepresentthevolumefractionand“%(m/m)”themassfraction.WARNING—Theuseofthisstandardmayinvolvehazardousmaterials,operationsandequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:26P.;A4
【正文语种】:英语