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1、河南科技大學畢業(yè)設計外文資料PerformanceoficestoragesystemutilizingacombinedpartialandfullstoragestrategyAbstractAcombinedsystemisanewthermalstoragestrategyadoptedinthisstudywithwhichthetwootherknownstrategiesnamely,partialandfullload,arecompared.Theresultsrevealedthattheco
2、mbinedsystemrequireslargerequipmentsizethanthatrequiredbypartialsystemtosatisfythesamecoolingload.FactorsFandFthatpfmaybemultipliedbythedailyaveragecoolingloadtodeterminetheoptimumchillerssizeforacombinedsystemarefound.Thesefactorsareapplicableforanycoolinglo
3、adandarebasedonagivenchillercondensingandevaporatingconditionasusedinthisstudy.Thesefactorsarefoundtovarywiththenumberofon-peakhours.Combinedstrategyrequiredchillersizewasfoundtodecreasewithdecreaseinon-peakperiod,hencetheoptimumchillersizeforthisnewstrategyw
4、asfoundtooccuratzeroon-peakhours,andi.e.,whenthecombinedsystemstartstooperateasapartialstrategysystem.Keywords:Icestoragesystem1.IntroductionThermalstorageisthetemporarystorageofhighorlowtemperatureenergyforlateruse.Airconditioningsystemthatemploysthermalstor
5、-ageequipmentincorporatestwostrategies,thepartialandfullload.Foreitherofthesestrategies,investigationsweremadetodeterminethepossiblesavinginchillersizeascomparedwithconventionalcoolingsystem.Thepartialandfullstoragestrategieswerepreviouslystudiedindependently
6、andtheresultsobtainedhadshownthatthechillersizerequiredinpartialstrategyissmaller16河南科技大學畢業(yè)設計thanthatrequiredinfullstrategytosatisfythesamecoolingload.Inthisstudyanewstrategyisadoptedandinvestigatedforchillersizedetermination.Thisstrategyisnamedasacombinedstr
7、ategysystemwhichincludesboth,thepartialandfullload,operatingsimultaneously.Hence,twosetsofchillersareusedinthisnewsystem,thefirstsetoperatescontinuouslyasapartialsystemandthesecondsetoperatesduringtheoff-peakperiodasafullsystemhelpingthefirstsetchillerstomeet
8、thecoolingloadandchargethethermalstoragereservoirs.Theaimofthisstudyistofindtheoptimumchillersizeinacombinedstrategysystemandtocompareitwiththatofpartialstrategyatdifferenton-peakhourstom
