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1、ThedevelopmentofresearchesonDouble-SkinFacadesZOUHuifen,YUANJuntuan,WANGXuefeng,YANGChun,CAOGuoping(SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,110168,ShenyangChina)Abstract:ThedefinitionandclassificationoftheDSFwereprovidedbri
2、eflyinthisarticle.Thetwofrequently-usedmodelingmethods:theCFDandnetworkmethodsweredescribedandmadeacontrastiveanalysis.ThecurrentresearchesonthephysicalpropertiesofDSFcavityfromthreerespects:theairfluxioninthecavity,thethermalbehavior,andtheday-lightingo
3、fDSF,werepresented.Inthelastpart,ItpointsoutthattheresearchesonDSFstillcouldn’tmeetourdemands.Intherespectofcavitysimulationmethodsandsomepracticalproblems,therearemoredifficultiesneedtobesolved.KeyWords:DSF;CFDmethod;networkmethod;cavity摘要：本文简要介绍了双层皮玻璃幕
4、墙（DSF）的定义、分类。描述了双层皮玻璃幕墙两种常用的建模方法：计算流体力学法（CFD法）和网络法。之后分别从空腔内空气的流动、热性能、日照采光等三个方面介绍了有关双层皮玻璃幕墙空腔物性的研究.最后指出目前有关双层皮玻璃幕墙的研究还不足以满足要求，在研究方法和某些实际问题上还有待突破。关键词：双层皮玻璃幕墙CFD法网络法空腔TheDoubleSkinFaçadeisasystemconsistingoftwoglassskinsplacedinsuchawaythatairflowsintheinte
5、rmediatecavity.Theglassskinscanbesingleordoubleglazingunitswithadistancefrom20cmupto2meters.Often,forprotectionandheatextractionreasonsduringthecoolingperiod,solarshadingdevicesareplacedinsidethecavity.Naturalventilation,mechanicalventilationandmixedvent
6、ilationareseveralkindsoftheventilationformsofDouble-skinfacade.Inadditiontothetypeofventilation,thelocalclimaticconditions,theorientationofthebuilding,theruntimeofair-conditioningsystemandotherfactorswillalsohaveeffectontheflowofairinthecavity.1、TheClass
7、ificationofDouble-SkinFaçadesDependingondifferentofconditions,DifferentwaystoclassifyDoubleSkinFaçadeSystemsarementionedinthisarticle.Themostcommonclassificationwhichisbasedonthetype(geometry)ofthecavitycanbedividedintomanycasesinthefollowing[1]：1)Boxwin
8、dowtype:Inthiscasehorizontalandverticalpartitioningdividethefaçadeinsmallerandindependentboxes.2)Shaftboxtype:Inthiscaseasetofboxwindowelementsareplacedinthefaçade.Theseelementsareconnectedviaverticalshaftssituatedinthefaç
