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1、哈尔滨工业大学工学硕士学位论文AbstractGroundsourceheatpump(GSHP)systemshavesignificantfeaturesofenvironmentfriendly,highefficiencyandoperatingreliability.InrecentyearsGSHPsystemshavedrawnextensiveattentionandhavebeenhighlyrecognizedbyHVACresearchers.Becauseofutilizationofrenewableshal
2、lowgeothermalenergy,GSHPsystemshavebecometopchoiceofintestinegreenbuildingprojects.Withtheimplementationofgovernmentsupportingpolicy,GSHPsystemsnowareinrapiddevelopmentperiod.ThedesignofGSHPsystemsneedsthethermalconductivityofgeologicalstructureandthermalresistanceofbor
3、eholeheatexchanger(BHE).Howeverpresentlyourcountrydoesnothavethecorrespondingteststandard,theresearchofheattransfermodelanddesigncalculationisincomplete,sotestersanddesignerscandependonnoting,thelowoperatingefficiencyandunder-capacityleadtoirrationalGSHPsdesign,thusrest
4、rictitswideapplication.Inviewoftheabovequestions,thetestsystemwasimprovedonconventionalelectricheaterorairsourceheatpumpaspower,developedaprocedurewhichcanrespectivelytestcharging/dischargingconditioninsummerandwinter.Fromthesystemdesigntoequipmentselection,highprecisio
5、nandaccuracyisfirstinaccount.Inthispaper,theanalyticalsolution,basedonline-sourcemodelandcylindricalheatsourcemodelandimprovedmodels,wasgiven.Thenewthermalresponsetestapparatuswasusedinin-situtestandgainedidealtestdata,andthenthermal-physicalpropertieswerefiguredout.The
6、authormadeuseofTRNSYSasdesignsoftwareaccordingtosoftwarefeaturesandthedesignrequest,andthensimulatedtheannualdynamichourlyloadofpracticalissuebyTRNSYS,finallyobtainedacompletedesignschemeonthebasisoftestresult.NexttheauthormadeaTRNSYSsimulationofGSHPrunningconditionin30
7、years,analyzedthermalbalanceofburiedzones,finallygotanoptimizeddesignbyimprovingundergroundheatexchangerandcontrolstrategies.Inaword,thispaperfocusontestingimprovingexistingin-situresponsetestapparatus,calculatingtherock-soilthermalpropertiesbasedontestdata,toprovideref
8、erencetorealizethein-situresponseteststandardizationandestablishdatabase.Thensimultaneously,systemicdesignmeth
