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1、AutomationinConstruction18(2009)624–631ContentslistsavailableatScienceDirectAutomationinConstructionjournalhomepage:www.elsevier.com/locate/autconSimulationofcoupledheatandmoisturetransferinair-conditionedbuildingsa,b,⁎,RafikBelarbicccMenghaoQin,AbdelkarimAït-Mokhtar,FrancisAllardaS
2、choolofArchitecture,NanjingUniversity,ChinabNationalInstituteofStandardsandTechnology,USAcLEPTAB,LaRochelleUniversity,FrancearticleinfoabstractArticlehistory:ThesimultaneousheatandmoisturetransferinthebuildingenvelopehasanimportantinfluenceontheAccepted17December2008indoorenvironmen
3、tandtheoverallperformanceofbuildings.Inthispaper,amodelforpredictingwholebuildingheatandmoisturetransferwaspresented.BothheatandmoisturetransferinthebuildingenvelopeKeywords:andindoorairweresimultaneouslyconsidered;theirinteractionsweremodeled.ThecoupledmodeltakesModelingintoaccoun
4、tmostofthemainhygrothermaleffectsinbuildings.ThecoupledsystemmodelwasHeatandmoisturetransferimplementedinMATLAB-Simulink,andvalidatedbyusingaseriesofpublishedtestingtools.ThenewSimulationBuildingenergyprogramwasappliedtoinvestigatethemoisturetransfereffectonindoorairhumidityandbuil
5、dingenergyconsumptionunderdifferentclimates.Theresultsshowthattheuseofmoredetailedsimulationroutinescanresultinimprovementstothebuilding'sdesignforenergyoptimisationthroughthechoiceofproperhygroscopicmaterials,whichwouldnotbeindicatedbysimplercalculationtechniques.©2008ElsevierB.V.
6、Allrightsreserved.1.Introductioninsidearoom,moistureinputfromtheenvelope,diffusionandvaporsorption–desorptionattheexteriorandinteriorwallsurfaces,heatThehygrothermalbehaviourofthebuildingenvelopehasaverysourcesandsinksinsidetheroom,heatinputfromtheenvelope,theimportanteffectontheov
7、erallenergyperformanceofbuildings[1–3].solarenergyinputthroughwallsandwindowsandhygrothermalHowever,inmostbuildingenergyanalysisthecalculationofheatsourcesandsinksduetoair-conditioningsystemsetc.Thecoupledconductionthroughwallsusuallyneglectsthetransportandstorageofsystemmodelisimp
8、lementedinMATLAB-Simulink,
