ASTM D7224-2008 便携式分离仪测定含添加剂的煤油型航空涡轮机燃料脱水性能标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingWaterSeparationCharacteristicsofKerosine-TypeAviationTurbineFuelsContainingAdditivesbyPortableSeparometer
【原文标准名称】:便携式分离仪测定含添加剂的煤油型航空涡轮机燃料脱水性能标准试验方法
【标准号】:ASTMD7224-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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.J0
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:additives;aviationturbinefuel;coalescence;jetfuel;micro-separometer;MSEPrating;surfactant;waterseparation;Additives;Aviationturbinefuels;Kerosine;Portableseparometer;Separationprocessing/analysis
【摘要】:Thistestmethodprovidesameasurementofthepresenceofsurfactantsinaviationturbinefuels.LikepreviousobsoleteTestMethodsD2550andD3602andcurrentTestMethodD3948,thistestmethodcandetecttraceamountsofrefinerytreatingchemicalsinfuel.Thetestmethodscanalsodetectsurfaceactivesubstancesaddedtofuelintheformofadditivesorpickedupbythefuelduringhandlingfrompointofproductiontopointofuse.Someofthesesubstancesdegradetheabilityoffilterseparatorstoseparatefreewaterfromthefuel.Thistestmethodyieldsapproximatelythesame(low)MSEPratingsasTestMethodD3948forfuelsthatcontainstrongsurfactants.ThistestmethodwillgiveapproximatelythesameMSEPratingsforJetA,JetA-1,JP-5,JP-7,andJP-8fuelsasTestMethodD3948whentestingreferencefluids.TheMSEPratingsobtainedbythistestmethodarelessaffectedbyweaksurfactantsthanTestMethodD3948.SomewhathigherMSEPratingsforJetA,JetA-1,JP-5,JP-7,andJP-8fuelsareobtainedbythistestmethodthanthoseobtainedbyTestMethodD3948whenadditivessuchasstaticdissipateradditives(SDA)andcorrosioninhibitorsarepresentinthefuel.Thiscorrelateswiththesatisfactoryperformanceoffilterseparatorsforsuchfuels,whenwet.However,thesesameadditivesadverselyaffecttheMSEPratingsobtainedbyTestMethodD3948byerroneouslyindicatingthatsuchadditizedfuelswouldsignificantlydegradetheabilityoffilterseparatorstoseparatefreewaterfromthefuelinactualservice.TheMicro-Separometerhasaneffectivemeasurementrangefrom50to100.Valuesobtainedoutsideofthoselimitsareundefinedandinvalid.Note18212;Intheeventavaluegreaterthan100isobtained,thereisagoodprobabilitythatlighttransmittancewasreducedbymaterial,typicallywater,containedinthefuelthatwasusedtosetthe100referencelevel.Duringthecoalescingportionofthetest,thecontaminatingmaterialaswellasthe50x00B1;1x00B5;Lofdistilledwaterwassubsequentlyremovedduringthisportionofthetest.Thus,theprocessedfuelhadahigherlighttransmittancethanthefuelsampleusedtoobtainthe100referencelevelresultinginthefinalratingmeasuringinexcessof100.1.1Thistestmethodcoversarapidportablemeansforfieldandlaboratoryusetoratetheabilityofkerosine-typeaviationturbinefuels,bothneatandthosecontainingadditives,toreleaseentrainedoremulsifiedwaterwhenpassedthroughfiberglasscoalescingmaterial.1.1.1Thistestmethodisapplicabletokerosine-typeaviationturbinefuelsincluding:JetAandJetA-1(asdescribedinSpecificationD1655);JP-5,JP-7,JP-8,andJP-8+100.(SeeSection6.)1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see8.2-8.5.
【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


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【英文标准名称】:TestMethodforSlumpofHydraulicCementConcrete
【原文标准名称】:水凝水泥混凝土坍落度的试验方法
【标准号】:ASTMC143/C143M-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑;施工材料;试验;坍落度;固化;硅酸盐水泥;凝固;水泥;混凝土
【英文主题词】:solidification;testing;constructionmaterials;cements;portlandcement;construction;slump;setting;concretes
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:
【正文语种】:英语


【英文标准名称】:RollingElementBearings-AircraftEngine,EngineGearbox,andAccessoryApplications-SurfaceVisualInspection
【原文标准名称】:滚动轴承.航空器发动机,发动机齿轮箱及辅助设施.表面目视检验
【标准号】:ANSIB3.2-1992
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:飞行器;轴承;发动机;滚动轴承;测试
【英文主题词】:Aircrafts;Bearings;Engines;Rollingbearings;Testing
【摘要】:Thisstandardprovidesasysstemforuniformvisualacceptancecriteriaforsurfaceimperfectionsonrollingelementbearingsusedinaircraftengine,enginegeraboxandaccessoryapplications.
【中国标准分类号】:V22
【国际标准分类号】:21_100_20
【页数】:13P;A4
【正文语种】:英语