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

作者:标准资料网 时间:2024-05-16 01:16:11  浏览:8507   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(动态粘度的计算)的标准试验方法
【标准号】:ASTMD445-2011a
【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;电气绝缘石油产品;粘性-成品油;校准-石油分析仪表装置
【英文主题词】:dynamicviscosity;kinematicviscosity;viscometer;viscosity;Electricalinsulatingpetroleumproducts;Viscosity--petroleumproducts;Calibration--petroleumanalysisinstrumentation
【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.
【中国标准分类号】:
【国际标准分类号】:17_060;75_080
【页数】:13P.;A4
【正文语种】:


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【英文标准名称】:Specificationfordimensionsoftesttubesmadeofglassorplasticsforradioactivitymeasurements
【原文标准名称】:放射性测量用玻璃或塑料试管尺寸规范
【标准号】:BS5542-1978
【标准状态】:作废
【国别】:英国
【发布日期】:1978-02-28
【实施或试行日期】:1978-02-28
【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】:体积;玻璃管;试管;尺寸;辐射测量;玻璃;塑料;厚度
【英文主题词】:Detectortubes;Dimensions;Electricalengineering;Glass;Measurement;Nucleartechnology;Plastics;Radioactivity;Specification(approval);Tolerances(measurement)
【摘要】:Dimensionsrelevanttointerchangeability.
【中国标准分类号】:N64
【国际标准分类号】:17_240
【页数】:4P.;A4
【正文语种】:英语


Product Code:SAE AS7110
Title:National Aerospace and Defense Contractors Accreditation Program Requirements for Welding/Brazing
Issuing Committee:Nadcap Management Council
Scope: This Aerospace Standard (AS) establishes the requirements for suppliers of Welding Services to be accredited by the National Aerospace and Defense Contractors Accreditation Program (NADCAP). These requirements may be supplemented by additional requirements specified by NADCAP Welding Task Group. Using the audit checklist (AC7110) will ensure that accredited Welding/Brazing suppliers meet all of the requirements in this standard and all applicable supplementary standards.

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