【英文标准名称】:Hygrothermalperformanceofbuildingcomponentsandbuildingelements-Assessmentofmoisturetransferbynumericalsimulation
【原文标准名称】:建筑物构件和建筑物元件的温湿性能.用数值模拟评定潮气传递
【标准号】:BSEN15026-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【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】:建筑材料;建筑物;元部件;冷凝;建筑;施工材料;结构产品;评定;热传递;数学计算;测量;湿度测量;测量技术;潮气;特性;模拟;蒸汽扩散;结构物理学;热防护;蓄热;传递系数
【英文主题词】:Buildingmaterials;Buildings;Components;Condensation;Construction;Constructionmaterials;Constructionalproducts;Evaluations;Heattransfer;Mathematicalcalculations;Measurement;Measurementsofhumidity;Measuringtechniques;Moisture;Properties;Simulation;Steamdiffusion;Structuralphysics;Thermalprotection;Thermalstorage;Transfercoefficient;Transferfactors
【摘要】:Thisstandardspecifiestheequationstobeusedinasimulationmethodforcalculatingthenonsteadytransferofheatandmoisturethroughbuildingstructures.Italsoprovidesabenchmarkexampleintendedtobeusedforvalidatingasimulationmethodclaimingconformitywiththisstandard,togetherwiththeallowedtolerances.Theequationsinthisstandardtakeaccountofthefollowingstorageandone-dimensionaltransportphenomena:?heatstorageindrybuildingmaterialsandabsorbedwater;?heattransportbymoisture-dependentthermalconduction;?latentheattransferbyvapourdiffusion;?moisturestoragebyvapoursorptionandcapillaryforces;?moisturetransportbyvapourdiffusion;?moisturetransportbyliquidtransport(surfacediffusionandcapillaryflow).Theequationsdescribedinthisstandardaccountforthefollowingclimaticvariables:?internalandexternaltemperature;?internalandexternalhumidity;?solarandlongwaveradiation;?precipitation(normalanddrivingrain);?windspeedanddirection.Thehygrothermalequationsdescribedinthisstandardshallnotbeappliedincaseswhere:?convectiontakesplacethroughholesandcracks;?two-dimensionaleffectsplayanimportantpart(e.g.risingdamp,conditionsaroundthermalbridges,effectofgravitationalforces);?hydraulic,osmotic,electrophoreticforcesarepresent;?dailymeantemperaturesinthecomponentexceed50°C.
【中国标准分类号】:Q70
【国际标准分类号】:91_120_01
【页数】:28P.;A4
【正文语种】:英语