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ISO 9906-2012 回转动力泵.液压性能验收试验.等级1,2和3

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【英文标准名称】:Rotodynamicpumps-Hydraulicperformanceacceptancetests-Grades1,2and3
【原文标准名称】:回转动力泵.液压性能验收试验.等级1,2和3
【标准号】:ISO9906-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC115
【标准类型】:()
【标准水平】:()
【中文主题词】:验收(鉴定);验收检验;验收规范;验收试验;轴流泵;成穴;离心泵;消费者与供货者的关系;定义(术语);交货条件;效率;流量率;保证书;液压的;测量;测量精度;测量技术;机械工程;性能试验;电力需量;泵的扬程;泵;径向流动泵;旋转测量;旋转速度;规范(验收);试验条件;容积流量测量;容积流量率
【英文主题词】:Acceptance(approval);Acceptanceinspection;Acceptancespecification;Acceptancetests;Axial-flowpumps;Cavitation;Centrifugalpumps;Consumer-supplierrelations;Definitions;Deliveryconditions;Efficiency;Flowrate;Guarantees;Hydraulic;Measurement;Measuringaccuracy;Measuringtechniques;Mechanicalengineering;Performancetests;Powerdemand;Pumphead;Pumps;Radial-flowpumps;Rotationmeasurement;Rotationalspeeds;Specification(approval);Testconditions;Volumeflowmeasurement;Volumeflowrate
【摘要】:
【中国标准分类号】:J71
【国际标准分类号】:23_080
【页数】:58P;A4
【正文语种】:英语


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【英文标准名称】:Horizontaldouble-wallsteeltanksfortheundergroundstorageofflammableandnon-flammablewaterpollutingliquids
【原文标准名称】:地下存储污染水的易燃或不易燃液体的双层卧式钢容器(罐)
【标准号】:DIN6608Bb.2-1965
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【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】:A82
【国际标准分类号】:
【页数】:
【正文语种】:


【英文标准名称】:StandardTestMethodforDeterminationofIsothermalSecantandTangentBulkModulus
【原文标准名称】:测定等温正割和正切体积弹性模量的标准试验方法
【标准号】:ASTMD6793-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D02.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:density;dynamicbulkmodulus;isentropicbulkmodulus;isothermalbulkmodulus;isothermalsecantbulkmodulus;isothermaltangentbulkmodulus;pressure;staticbulkmodulus
【摘要】:Isothermalsecantbulkmodulus(staticbulkmodulus)isapropertythatmeasuresthecompressibilityofaliquid.Thegreaterthevalue,thelessthecompressibilityoftheliquid.Isothermalsecantbulkmodulusisemployedinthedesignofhighperformancehydraulicfluidandbrakingsystems.Highbulkmodulusisdesirableinthattheresponsetimeofasystemisfasterwhenappliedpressuremoredirectlyeffectstheactionofthesystemratherthaninthecompressionoftheworkingliquid.Ifisothermalsecantbulkmodulusisknownasafunctionofpressure,thedatamaybeusedtocalculateisothermaltangentbulkmodulusanddensityasafunctionofpressure.Thedatamaynot,however,beusedtodetermineisentropic(dynamic)bulkmodulus.ThatpropertyisusuallydeterminedfromvelocityofsoundmeasurementsanddiffersfromisothermalbulkmodulusbytheratioofCp/Cv=x03B3;(theratioofheatcapacityatconstantpressuretothatatconstantvolumeforthetestspecimen.1.1Thistestmethodcoversthedeterminationofisothermalsecantandtangentbulkmodulusofliquidswhicharestableandcompatiblewithstainlesssteelundertheconditionsoftest.1.2Thistestmethodisdesignedtobeusedoverthetemperaturerangefrom-40to200176;Candfromambientto68.95Mpa(10000psig).Note1Becauseofthedesignofthetestapparatus,theupperlimitofpressurewhichcanbeattainedislimitedbythebulkmodulusofthetestfluid.Pressuresashighas68.95Mpawillnotbeattainedforfluidsofrelativelylowbulkmodulusatthetesttemperature.1.3Thistestmethodassumesthattheuserisproficientintheassemblyanduseofmediumpressure(m/p)threadedandconedfittingswhichareintendedforuseatpressuresupto137.9Mpa(20000psig).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note2Becausehydraulicpressureinthetestsystemisproducedbypurelymechanicalmeans,thetestmethodisnotsubjecttothehazardsassociatedwithsystemswhicharepressurizedpneumatically.Evensmallleakswillresultinimmediatedropinpressuretoambientwithoutproductionofahighpressureliquidstreamormist.
【中国标准分类号】:A42
【国际标准分类号】:75_160_20
【页数】:5P.;A4
【正文语种】: