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ASTM D445-2011 透明和不透明液体运动粘度(和动粘度的计算)的标准试验方法

作者:标准资料网 时间:2024-05-13 02:41:15  浏览:9712   来源:标准资料网
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【英文标准名称】:StandardTestMethodforKinematicViscosityofTransparentandOpaqueLiquids(andCalculationofDynamicViscosity)
【原文标准名称】:透明和不透明液体运动粘度(和动粘度的计算)的标准试验方法
【标准号】:ASTMD445-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:动力粘度;运动粘度;粘度计;粘度;校准-石油分析仪表装置;电气绝缘石油产品;粘性-成品油
【英文主题词】:dynamicviscosity;kinematicviscosity;viscometer;viscosity;Calibration--petroleumanalysisinstrumentation;Electricalinsulatingpetroleumproducts;Viscosity--petroleumproducts
【摘要】:Manypetroleumproducts,andsomenon-petroleummaterials,areusedaslubricants,andthecorrectoperationoftheequipmentdependsupontheappropriateviscosityoftheliquidbeingused.Inaddition,theviscosityofmanypetroleumfuelsisimportantfortheestimationofoptimumstorage,handling,andoperationalconditions.Thus,theaccuratedeterminationofviscosityisessentialtomanyproductspecifications.1.1Thistestmethodspecifiesaprocedureforthedeterminationofthekinematicviscosity,x03BD;,ofliquidpetroleumproducts,bothtransparentandopaque,bymeasuringthetimeforavolumeofliquidtoflowundergravitythroughacalibratedglasscapillaryviscometer.Thedynamicviscosity,x03B7;,canbeobtainedbymultiplyingthekinematicviscosity,x03BD;,bythedensity,x03C1;,oftheliquid.Note18212;Forthemeasurementofthekinematicviscosityandviscosityofbitumens,seealsoTestMethodsD2170andD2171.Note28212;ISO3104correspondstoTestMethodD445.1.2Theresultobtainedfromthistestmethodisdependentuponthebehaviorofthesampleandisintendedforapplicationtoliquidsforwhichprimarilytheshearstressandshearratesareproportional(Newtonianflowbehavior).If,however,theviscosityvariessignificantlywiththerateofshear,differentresultsmaybeobtainedfromviscometersofdifferentcapillarydiameters.Theprocedureandprecisionvaluesforresidualfueloils,whichundersomeconditionsexhibitnon-Newtonianbehavior,havebeenincluded.1.3Therangeofkinematicviscositiescoveredbythistestmethodisfrom0.2to300000mm2/s(seeTableA1.1)atalltemperatures(see6.3and6.4).Theprecisionhasonlybeendeterminedforthosematerials,kinematicviscosityrangesandtemperaturesasshowninthefootnotestotheprecisionsection.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.TheSIunitusedinthistestmethodforkinematicviscosityismm2/s,andtheSIunitusedinthistestmethodfordynamicviscosityismPax00B7;s.Foruserreference,1mm2/s=10-6m2/s=1cStand1mPax00B7;s=1cP=0.001Pax00B7;s.1.5WARNINGMercuryhasbeendesignatedbymanyregulatoryagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontainingproducts.SeetheapplicableproductMaterialSafetyDataSheet(MSDS)fordetailsandEPAx2019;swebsitehttp://www.epa.gov/mercury/faq.htmforadditionalinformation.Usersshouldbeawarethatsellingmercuryand/ormercurycontainingproductsintoyourstateorcountrymaybeprohibitedbylaw.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:17_060
【页数】:12P.;A4
【正文语种】:


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【英文标准名称】:Directgas-firedmake-upairheaters
【原文标准名称】:直接燃气的供给空气加热器
【标准号】:ANSIZ83.4-1985
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【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】:
【国际标准分类号】:
【页数】:
【正文语种】:


Product Code:SAE AS22227
Title:Bearing, Ball, Annular, Generator and Motor Generator
Issuing Committee:Acbg Rolling Element Bearing Committee
Scope:This standard establishes the requirements for antifriction ball bearings primarily intended for use in aircraft electrical generators and motor-generators.

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