BS ISO TR 3313-1998 密封管道中液体流量的测量.脉动流动对流量测量仪器影响的指南

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【英文标准名称】:Measurementoffluidflowinclosedconduits-Guidelinesontheeffectsofflowpulsationsonflow-measurementinstruments
【原文标准名称】:密封管道中液体流量的测量.脉动流动对流量测量仪器影响的指南
【标准号】:BSISOTR3313-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-09-15
【实施或试行日期】:1998-09-15
【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】:光学;波的性质和现象;文献索引;数学计算;公式;流量率;流量测量;频率;涡轮机;惯量;风速计;阻尼(波);动力学;方程;软件技术;喷咀流量计;脉动流动;误差;波形;热探头;流量计;流动;声学设备;电磁驱动装置;孔板流量计;测头;多普勒效应;渡越时间器件;压差流量计;文杜利流量计;管
【英文主题词】:Flowmeasurements;Flowrate;Measurement;Measuringinstruments;Pipelines;Pulsatingflow;Velocityofflow
【摘要】:Definespulsatingflow,indicateshowitcanbedetected,anddescribestheeffectsithasonvarioustypesofflow-measurementdevice.
【中国标准分类号】:A52
【国际标准分类号】:17_120_10
【页数】:48P.;A4
【正文语种】:英语

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上一篇: BS 1344-11-1998 釉层精整试验方法.第11部分.高腐蚀条件下设备用搪瓷物质高压试验
下一篇: BS ISO 10372-1998 液压流体动力.4孔和5孔伺服阀.安装面

【英文标准名称】:StandardTestMethodforQuenchingTimeofHeat-TreatingFluids(MagneticQuenchometerMethod)
【原文标准名称】:热处理液体淬火时间的标准试验方法(磁性冷却速度试验器法)
【标准号】:ASTMD3520-2004
【标准状态】:作废
【国别】:
【发布日期】:2004
【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.L0.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:淬火时间;试验;石油产品;淬火;润滑剂;液体
【英文主题词】:Curiepoint;magneticquenchometer;quench;quenchant
【摘要】:Theresultsobtainedbythetestmethoddescribedareusefulasguidesinselectingfluidswithrespecttoquenchingspeedcharacteristicsdesiredformetalquenchingapplications.Note38212;Althoughthistestmethodhasbeenfoundusefulforsomewater-basedfluids,thestatisticalsignificanceofthetesthasbeenestablishedonlybyround-robintestingofpetroleum-basedfluids.Theseresultswillprovideameasureofquenchingspeed(coolingrate)fromapproximately885x00B0;C(1625x00B0;F)to354x00B0;C(670x00B0;F)andarenotdirectlyproportionaltohardnessobtainableonmetalsquenchedthereinasmanyotherfactorsareinvolvedinthequenchingprocessinactualplantoperationwithproductionparts.Note48212;TestMethodD6200describestheequipmentandprocedureforcharacterizingthetime-temperatureperformanceofaquenchingoilthroughtheentirecoolingprocess.FIG.1MagneticQuenchometerFIG.2TestSequenceinBeaker1.1ThistestmethodcoversaprocedureformakingacomparativeevaluationofthequenchingspeedcharacteristicsofpetroleumfluidsusedinthequenchingofmetalsbymeansoftheMagneticQuenchometer.Note18212;AcomparisonmethodfortestingthehardenabilityofsteelisTestMethodA255.Note28212;AnadditionalcomparisonmethodforevaluationofthequenchingspeedcharacteristicsofpetroleumfluidsusedinthequenchingofmetalsisTestMethodD6200.1.2Thistestmethodprovidesameasureofchangesinoilchemistryduetocontamination,baseoildegradation,andadditivedrag-outduringuse.Thistestmeasureschangesinthequenchingspeedcharacteristicsofpetroleumfluidsatthehightemperature(>354176;C).Thistestmethoddoesnotreliablypredictmetallurgicalperformance.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:J36
【国际标准分类号】:75_120
【页数】:6P.;A4
【正文语种】: