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【英文标准名称】:StandardTestMethodforAirReleasePropertiesofPetroleumOils
【原文标准名称】:石油放气特性的标准试验方法
【标准号】:ASTMD3427-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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.C0.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:鼓泡试验;润滑剂;石油;石油产品;分离;测试
【英文主题词】:airentrainment;airreleasetime;gearoil;hydraulicoil;turbineoil;Airreleaseproperties;Gasturbinefueloils;Lubricatingoils
【摘要】:Agitationoflubricatingoilwithairinequipment,suchasbearings,couplings,gears,pumps,andoilreturnlines,mayproduceadispersionoffinelydividedairbubblesintheoil.Iftheresidencetimeinthereservoiristooshorttoallowtheairbubblestorisetotheoilsurface,amixtureofairandoilwillcirculatethroughthelubricatingoilsystem.Thismayresultinaninabilitytomaintainoilpressure(particularlywithcentrifugalpumps),incompleteoilfilmsinbearingsandgears,andpoorhydraulicsystemperformanceorfailure.Thistestmethodmeasuresthetimefortheentrainedaircontenttofalltotherelativelylowvalueof0.2%volumeunderastandardizedsetoftestconditionsandhencepermitsthecomparisonoftheabilityofoilstoseparateentrainedairunderconditionswhereaseparationtimeisavailable.Thesignificanceofthistestmethodhasnotbeenfullyestablished.However,entrainedaircancausesponginessandlackofsensitivityofthecontrolofturbineandhydraulicsystems.Thistestmaynotbesuitableforrankingoilsinapplicationswhereresidencetimesareshortandgascontentsarehigh.1.1Thistestmethodcoverstheabilityofturbine,hydraulic,andgearoilstoseparateentrainedair.Note18212;Thistestmethodwasdevelopedformineralbasedoils.Itmaybeusedforsomesyntheticfluids;however,theprecisionstatementappliesonlytopetroleumoils.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:5P.;A4
【正文语种】: