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基于新型太阳能空气源热泵供热系统的热泵性能研究(英文).docx

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基于新型太阳能空气源热泵供热系统的热泵性能研究(英文) ResearchonHeatPumpPerformanceBasedonaNewSolarAirSourceHeatingSystem Introduction Withtheincreasingdemandforenergyconservationandenvironmentalprotection,renewableenergytechnologieshavebecomepopularinrecentyears.Amongthem,solarenergytechnologyisconsideredoneofthemostpromising.Inthefieldofspaceheating,theuseofheatpumpshasbecomeapopularsolutionduetoitsexcellentenergyefficiency.Combiningsolarenergyandheatpumptechnologies,anewsolarairsourceheatingsystemhasbeendeveloped,whichhasthepotentialtoprovidemoreefficientandsustainablespaceheating.Thepurposeofthispaperistoinvestigatetheperformanceofthisnewsystemandanalyzethefactorsthatmayaffectitsefficiency. Background Traditionally,spaceheatinginresidentialandcommercialbuildingsismainlyprovidedbyfossilfuel-basedboilers,whichconsumeasubstantialamountofenergyandproducegreenhousegasemissions.Heatpumps,ontheotherhand,areamoreenergy-efficientandenvironmentallyfriendlyalternative.Heatpumpsusetheambienttemperatureastheheatsourceandcanproducemoreheatenergythantheelectricalenergyconsumed,resultinginacoefficientofperformance(COP)greaterthan1.Whencombinedwithsolarenergy,heatpumpscanoperateatevenhigherCOPs,leadingtogreaterenergysavings. Thenewsolarairsourceheatingsystemconsistsofsolarpanelsthatabsorbsunlightandconvertitintothermalenergy,andaheatpumpthatextractsheatenergyfromtheoutdoorairandtransfersittotheindoorspace.Thesolarpanelscanpreheattheoutdoorair,reducingtheenergyconsumptionoftheheatpumpandimprovingitsCOP.Additionally,thesystemcanprovidespacecoolingduringthesummerbyoperatinginreversemode. Methods Toevaluatetheperformanceofthenewsolarairsourceheatingsystem,afieldexperimentwasconductedinaresidentialbuildinginatemperateclimate.Thesystemconsistedofsixsolarpanels,aheatpumpwithaheatingcapacityof12kW,anda500-literhotwaterstoragetank.Theindoortemperaturewassetto20°C,andtheoutdoortemperaturerangedfrom-10°Cto10°C.TheCOPandheatingcapacityofthesystemweremeasuredunderdifferentoperatingconditions,andtheresultswereanalyzed