BS EN ISO 12569-2001 建筑物的隔热性.建筑物中空气流通性的测定.示踪气体稀释法

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【英文标准名称】:Thermalinsulationinbuildings-Determinationofairchangeinbuildings-Tracergasdilutionmethod
【原文标准名称】:建筑物的隔热性.建筑物中空气流通性的测定.示踪气体稀释法
【标准号】:BSENISO12569-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-02-15
【实施或试行日期】:2001-02-15
【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】:示踪法;气体;稀释;气体分析仪;空气流动;换气;隔热;浓缩;建筑物
【英文主题词】:Air;Airchanges;Airexchange;Airflow;Buildingventilation;Buildings;Construction;Definitions;Determinationprocedures;Gasconcentrations;Gaspermeability;Gases;Indicators;Indoors;Injections;Measurement;Mechanicalventilation;Testing;Thermalbehaviourofstructures;Thermalinsulation;Thermalprotection;Tracermethods;Utilityequipment;Ventilation;Ventilations
【摘要】:ThisInternationalStandarddescribestheuseoftracergasdilutionfordeterminingtheairchangeinasinglezoneasinducedbyweatherconditionsormechanicalventilation.Theproceduresfortracergasdilutionincludeconcentrationdecay,constantinjectionandconstantconcentration.Tracergasconcentrationisdeterminedbyagasanalyser.Airchangerateisdirectlycalculatedfromtherateofchangeoftracergasconcentrationbythetracergasdecaymethod.Airflowrateiscalculateddirectlyfromthetracergasflowratebytheconstantinjectionorconstantconcentrationmethod.Thesetestmethodsarerestrictedtoanysingletracergas.Theassociateddataanalysisassumesthatthetracergasconcentrationcanbecharacterizedwithinthezonewithasinglevalue.NOTETheconstantconcentrationtestmethodgivenin5.6isusuallyusedformultiplezonesandallowsthemeasurementoftheairflowratefromtheoutsidetoeachzone,iftheresidentialzonesarekeptatthesameconcentration.
【中国标准分类号】:P31
【国际标准分类号】:91_120_10
【页数】:34P.;A4
【正文语种】:英语