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1、AppliedEnergy104(2013)178–186ContentslistsavailableatSciVerseScienceDirectAppliedEnergyjournalhomepage:www.elsevier.com/locate/apenergyEconomicassessmentofthemobilizedthermalenergystorage(M-TES)systemfordistributedheatsupplya,⇑a,ba,c,⇑aHailongLi,WeilongWang,J
2、inyueYan,ErikDahlquistaSchoolofSustainableDevelopmentofSocietyandTechnology,MälardalenUniversity,SE-72123Västerås,SwedenbSchoolofEngineering,SunYat-SenUniversity,510275GuangZhou,ChinacSchoolofChemicalScienceandEngineering,RoyalInstituteofTechnology(KTH),SE-10
3、044Stockholm,Swedenhighlights"Themobilizedthermalenergystoragesystem(M-TES)hastheabilitytosupplyheattodistributeduserswithalowcost."ThecostusingM-TEStosupplyheat(COH)isprimarilydeterminedbythetransportdistanceandtheheatdemand."Thepriceofphasechangematerialhas
4、largereffectsonCOH,comparedtothetransportcost,thelifetimeandtheinterest.articleinfoabstractArticlehistory:Aconceptualsystem,mobilizedthermalenergystoragesystem(M-TES),wasproposedfordistributedReceived7September2012heatsupply.Theeconomicevaluationthatisessenti
5、altoidentifythekeyissuesandprovideguidelinesReceivedinrevisedform31October2012regardingsystemimprovementwasconductedinthispaper.ResultsshowthatthecostusingM-TEStoAccepted6November2012supplyheat(COH)isprimarilydeterminedbythetransportdistanceandtheheatdemand.T
6、hevariationAvailableonline17December2012ofCOHisproportionaltothetransportdistance,butinverselyproportionaltotheheatdemand.Accord-ingtothesensitivitystudy,COHismoresensitivetothepriceofphasechangematerial(PCM)thanotherKeywords:parameters,suchasthetransportcost
7、.Moreover,itispossibleforanM-TESsystemtocompetewithMobilizedthermalenergystorageotherheatsupplymethods,suchaspellet/bio-oil/biogas/oilboilersystemsandelectricalair-sourceheatEconomicassessmentPaybacktimepump.WhenusingM-TEStoreplacetheexistingsystem,thepayback
8、timeismainlydeterminedbythePhasechangematerialtransportdistanceandtheheatdemand.WaterisanotherpotentialworkingfluidforM-TESsystem.DistributedheatsupplyComparatively,usingPCMismoresuitablef
