ASTM E2029-1999(2004) 用示踪气体稀释法测量管道中体积和质量流量率的标准试验方法
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【英文标准名称】:StandardTestMethodforVolumetricandMassFlowRateMeasurementinaDuctUsingTracerGasDilution
【原文标准名称】:用示踪气体稀释法测量管道中体积和质量流量率的标准试验方法
【标准号】:ASTME2029-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:E06.41
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:容积流量测量;流量率;流量率;竖管;示踪法;物流;管道;示踪气体;污染控制;运河;测量体积流量
【英文主题词】:ducts;flowrate;massflow;stacks;volumetricflow;tracergas
【摘要】:Themethodpresentedhereisafieldmethodthatmaybeusedtodeterminemassandvolumeflowratesinductswhereflowconditionsmaybeirregularandnonuniform.Thegasflowingintheductisconsideredtobeanidealgas.Themethodmaybeespeciallyusefulinthoselocationswhereconventionalpitottubeorthermalanemometervelocitymeasurementsaredifficultorinappropriatedueeithertoverylowaverageflowvelocityorthelackofasuitablerunofductupstreamanddownstreamofthemeasurementlocation.Thistestmethodcanproducethevolumetricflowrateatstandardconditionswithouttheneedtodeterminegasstreamcomposition,temperature,andwatervaporcontent.ThistestmethodisusefulfordeterminingmassorvolumetricflowratesinHVACducts,fumehoods,ventstacks,andminetunnels,aswellasinperformingmodelstudiesofpollutioncontroldevices.Thistestmethodisbasedonfirstprinciples(conservationofmass)anddoesnotrequireengineeringassumptions.Thistestmethoddoesnotrequirethemeasurementoftheareaoftheductorstack.Thetestmethoddoesnotrequireflowstraightening.Thetestmethodisindependentofflowconditions,suchasangle,swirl,turbulence,reversals,andhence,doesnotrequireflowstraightening.Thedryvolumetricairflowcanbedeterminedbydryingtheairsampleswithoutmeasuringthewatervaporconcentration.1.1Thistestmethoddescribesthemeasurementofthevolumetricandmassflowrateofagasstreamwithinaduct,stack,pipe,minetunnel,orflueusingatracergasdilutiontechnique.Foreditorialconvenienceallreferencesinthetextwillbetoaduct,butitshouldbeunderstoodthatthiscouldreferequallywelltoastack,pipe,minetunnel,orflue.Thistestmethodislimitedtothoseapplicationswherethegasstreamandthetracergascanbetreatedasidealgasesattheconditionsofthemeasurement.Inthistestmethod,thegasstreamwillbereferredasair,thoughitcouldbeanyothergasthatexhibitsidealgaslawbehavior.1.2Thistestmethodisnotrestrictedtoanyparticulartracergasalthoughexperimentalexperiencehasshownthatcertaingasesareusedmorereadilythanothersassuitabletracergases.Itispreferablethatthetracergasnotbeanaturalcomponentofthegasstream.1.3Useofthistestmethodrequiresaknowledgeoftheprinciplesofgasanalysisandinstrumentation.Correctuseoftheformulaspresentedhererequiresconsistentuseofunits.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.
【中国标准分类号】:A42
【国际标准分类号】:13_040_01
【页数】:10P.;A4
【正文语种】:
【原文标准名称】:用示踪气体稀释法测量管道中体积和质量流量率的标准试验方法
【标准号】:ASTME2029-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:E06.41
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:容积流量测量;流量率;流量率;竖管;示踪法;物流;管道;示踪气体;污染控制;运河;测量体积流量
【英文主题词】:ducts;flowrate;massflow;stacks;volumetricflow;tracergas
【摘要】:Themethodpresentedhereisafieldmethodthatmaybeusedtodeterminemassandvolumeflowratesinductswhereflowconditionsmaybeirregularandnonuniform.Thegasflowingintheductisconsideredtobeanidealgas.Themethodmaybeespeciallyusefulinthoselocationswhereconventionalpitottubeorthermalanemometervelocitymeasurementsaredifficultorinappropriatedueeithertoverylowaverageflowvelocityorthelackofasuitablerunofductupstreamanddownstreamofthemeasurementlocation.Thistestmethodcanproducethevolumetricflowrateatstandardconditionswithouttheneedtodeterminegasstreamcomposition,temperature,andwatervaporcontent.ThistestmethodisusefulfordeterminingmassorvolumetricflowratesinHVACducts,fumehoods,ventstacks,andminetunnels,aswellasinperformingmodelstudiesofpollutioncontroldevices.Thistestmethodisbasedonfirstprinciples(conservationofmass)anddoesnotrequireengineeringassumptions.Thistestmethoddoesnotrequirethemeasurementoftheareaoftheductorstack.Thetestmethoddoesnotrequireflowstraightening.Thetestmethodisindependentofflowconditions,suchasangle,swirl,turbulence,reversals,andhence,doesnotrequireflowstraightening.Thedryvolumetricairflowcanbedeterminedbydryingtheairsampleswithoutmeasuringthewatervaporconcentration.1.1Thistestmethoddescribesthemeasurementofthevolumetricandmassflowrateofagasstreamwithinaduct,stack,pipe,minetunnel,orflueusingatracergasdilutiontechnique.Foreditorialconvenienceallreferencesinthetextwillbetoaduct,butitshouldbeunderstoodthatthiscouldreferequallywelltoastack,pipe,minetunnel,orflue.Thistestmethodislimitedtothoseapplicationswherethegasstreamandthetracergascanbetreatedasidealgasesattheconditionsofthemeasurement.Inthistestmethod,thegasstreamwillbereferredasair,thoughitcouldbeanyothergasthatexhibitsidealgaslawbehavior.1.2Thistestmethodisnotrestrictedtoanyparticulartracergasalthoughexperimentalexperiencehasshownthatcertaingasesareusedmorereadilythanothersassuitabletracergases.Itispreferablethatthetracergasnotbeanaturalcomponentofthegasstream.1.3Useofthistestmethodrequiresaknowledgeoftheprinciplesofgasanalysisandinstrumentation.Correctuseoftheformulaspresentedhererequiresconsistentuseofunits.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.
【中国标准分类号】:A42
【国际标准分类号】:13_040_01
【页数】:10P.;A4
【正文语种】:
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