A new thermoeconomic methodology for energy systems .pdf

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1、Energy35(2010)410–422ContentslistsavailableatScienceDirectEnergyjournalhomepage:www.elsevier.com/locate/energyAnewthermoeconomicmethodologyforenergysystemsD.J.Kim*Enecos,1428,Taein-dong,Gwangyang-si,Chollanam-do,545884,RepublicofKoreaarticleinfoabstractA

2、rticlehistory:Thermoeconomics,orexergoeconomics,canbeclassifiedintothethreefields:costallocation,costReceived7June2009optimization,andcostanalysis.Inthisstudy,anewthermoeconomicmethodologyforenergysystemsisReceivedinrevisedformproposedinthethreefields.Thepr

3、oposedmethodologyisverysimpleandclear.Thatis,thenumberof2October2009theproposedequationisonlyoneineachfield,anditisdevelopedwithawonergynewlyintroducedinAccepted8October2009thispaper.Thewonergyisdefinedasanenergythatcanequallyevaluatetheworthofeachproduct.

4、AnyAvailableonline17November2009energy,includingenthalpyorexergy,canbeappliedtothewonergyandbeevaluatedbythisequation.Inordertoconfirmitsvalidity,theCGAMproblemandvariouscogenerationswereanalyzed.SevensortsofKeywords:energy,includingenthalpyandexergy,were

5、appliedforcostallocation.Enthalpy,exergy,andprofitwereThermoeconomicsExergoeconomicsappliedforcostoptimization.Enthalpyandexergywereappliedforcostanalysis.ExergyisgenerallyExergyrecognizedasthemostreasonablecriterioninexergoeconomics.Bytheproposedmethodol

6、ogy,Costallocationhowever,exergyisthemostreasonableincostallocationandcostanalysis,andallofexergy,enthalpy,Optimizationandprofitarereasonableincostoptimization.Therefore,weconcludethatvariousformsofwonergyCGAMshouldbeappliedtotheanalysisofthermoeconomics.

7、CogenerationÓ2009ElsevierLtd.Allrightsreserved.CHP1.IntroductionManythermalengineershavestudiedthermoeconomicsorexergoeconomics,andvariousmethodologieshavebeensuggested.Thermoeconomics,orexergoeconomics,isatechniqueforAsrepresentativemethodsintroducedina

8、reviewpaper[1]onanalyzingthecostflowofenergythroughacombinationoftheexergoeconomics,thereisthetheoryoftheexergeticcost(TEC)secondlawofthermodynamicsandeconomicprinciples.Thiscan[2,3],thetheoryofexergeticcost-disaggregatingm