DIN EN 15026-2007 建筑物构件和组件的温湿性能.用数值模拟评估水分传递

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【英文标准名称】:Hygrothermalperformanceofbuildingcomponentsandbuildingelements-Assessmentofmoisturetransferbynumericalsimulation;GermanversionEN15026:2007
【原文标准名称】:建筑物构件和组件的温湿性能.用数值模拟评估水分传递
【标准号】:DINEN15026-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑材料;建筑物;组件;冷凝;建筑;施工材料;装配产品;评估;热传递;数学计算;测量;湿度测量;测量技术;水分;性能;模拟;蒸气扩散;结构物理学;热防护;蓄热器;转换系数;传输系数
【英文主题词】:
【摘要】:Thisstandardspecifiestheequationstobeusedinasimulationmethodforcalculatingthenonsteadytransferofheatandmoisturethroughbuildingstructures.Italsoprovidesabenchmarkexampleintendedtobeusedforvalidatingasimulationmethodclaimingconformitywiththisstandard,togetherwiththeallowedtolerances.Theequationsinthisstandardtakeaccountofthefollowingstorageandone-dimensionaltransportphenomena:?heatstorageindrybuildingmaterialsandabsorbedwater;?heattransportbymoisture-dependentthermalconduction;?latentheattransferbyvapourdiffusion;?moisturestoragebyvapoursorptionandcapillaryforces;?moisturetransportbyvapourdiffusion;?moisturetransportbyliquidtransport(surfacediffusionandcapillaryflow).Theequationsdescribedinthisstandardaccountforthefollowingclimaticvariables:?internalandexternaltemperature;?internalandexternalhumidity;?solarandIongwaveradiation;?precipitation(normalanddrivingrain);?windspeedanddirection.Thehygrothermalequationsdescribedinthisstandardshallnotbeappliedincaseswhere:?convectiontakesplacethroughholesandcracks;?two-dimensionaleffectsplayanimportantpart(e.g.risingdamp,conditionsaroundthermalbridges,effectofgravitationalforces);?hydraulic,osmotic,electrophoreticforcesarepresent;?dailymeantemperaturesinthecomponentexceed50℃.
【中国标准分类号】:P31
【国际标准分类号】:91_120_01
【页数】:26P;A4
【正文语种】:德语