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1、EnergyandBuildings38(2006)472–483www.elsevier.com/locate/enbuildNumericalandexperimentalanalysesofPCMcontainingsandwichpanelsforprefabricatedwallsA.Carbonaria,M.DeGrassia,C.DiPernab,P.Principib,*aDepartmentofArchitecture,ConstructionandStructures,FacultyofEngineering,PolytechnicU
2、niversityofMarche,Ancona,ItalybDepartmentof‘‘Energetica’’,FacultyofEngineering,PolytechnicUniversityofMarche,Ancona60121,ItalyReceived2May2005;receivedinrevisedform29July2005;accepted10August2005AbstractInthispaper,afiniteelementnumericalalgorithmforthesimulationoftwo-dimensionalp
3、roblemsofheattransferwithphasechangeisvalidated,comparingthenumericalresultswiththeexperimentalonesderivingfromtestscarriedoutontwodifferentkindsofPCMcontainingsandwichpanels.Theverygoodapproximationaffectingthenumericalresults,ascomparedwiththeexperimentalones,suggeststhatitcanb
4、eapowerfuldesigntoolforeverykindofPCMcontainingbuildingelements.Moreover,fourprototypesofPCMcontainingsandwichpanelsforprefabricatedwallsweretested(twoofthemusedtovalidatethenumericalfiniteelementmethodfordesignpurposes)inatest-roomcapableofsimulatingseveralkindsofoutdoorandindoor
5、environmentalconditions,aimedatevaluatingtheenergeticperformancesofsuchpanels,whichmakethemsuitableforuseindifferentclimaticcontextsorindifferentelementsofbuildings.Thepossibilitytoadaptsuchbasictechnologytomanufacturepanelswithseveralstratificationsallowstheirinstallationbothonce
6、ilingsandwallsandinseveralclimaticanddesigncontexts.#2005ElsevierB.V.Allrightsreserved.Keywords:Heattransfer;PhaseChangeMaterials;Sustainability;Renewableenergy;Dryassembledenvelopes;Sandwichpanels;PCM1.Introductionsuitableaboveallforbuildingswithlargeopaquesurfaces(suchasbanks,i
7、ndustrialbuildingsandinsomecasesoffices,Fourprototypesofsandwichpanels,containingPhasehospitals,residentialandcommercialbuildings).ChangeMaterial(PCM),forincorporationinprefabricatedAsoftheearly1990s,veryinterestingattemptstoinsertwallsoflightweightbuildingsweredeveloped.Theresult
8、sPCMwaxesinsidewallboards[1,2]werecarrie
