土壤源热泵系统的经济性分析

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1、西南交通大学硕士学位论文土壤源热泵系统的经济性分析姓名：陈寒静申请学位级别：硕士专业：供热、供燃气、通风及空调工程指导教师：秦萍20070401西南交通大学硕士研究生学位论文第1l员AbstractGroundsourceheatpump(GSHP)ismoreandmoreattention—gettingintheworldasatechniqueofenergysavingandenvironmentprotection．SomedynamicperformanceandpotentialofenergysavingofGSHPared

2、evelopedinChina．ThedevelopanentofthestudyofGSHPisnowstillatthebeginningwithlackingbasicoperatingdataandexperienceofdesignandrunning．AsGSHPsystemusuallyneedsmoreinitialcostthanairsourcewatercoolingheatpumpsystem，itseconomicperformanceCanbediscountedduetounreasonabledesignori

3、nconsequentmatchingwhichwillresultinmorerunningcost．SoitisverysignificanttostudytheeconomicperformanceintheapplicationofGSHP．Amethodwhichisusedinthermoeconomicsispresentedheretoimprovethethermalandeconomicperformance．。AccordingtoaGSHPsysteminanofficebuilding，amathematicalmo

4、delisestablished．Theoreticalinvestigationsarecarriedonthebaseofthemathematicalmodelandexperimentaldata．Thecharacterintheoperationofthetwoseasonsofwinterandsummer,theheattransferperformancearecarriedout．Exergyanalysisisalsopresentedonthebaseoftheformerresearchwhichleadstothe

5、directionandmethodsofenergysaving．Itisalsothebaseofthermoeconomicanalysis．ItisthefirsttimethatthermoeconomicmethodisusedinthestudyofGSHPsystem．Costingofexergyconsumptionandloses，algebraicmethodsofexergycostingandautonomousmethods．ofexergyarepresentedtoanalysisexergyGSHP．The

6、resultisusedinthelocalandwholeoptimizationinwhichcOStparvalue，earningyieldetcareusedtodiscovertheinternalconnectionsbetweenthermalandeconomicperformance．Theresultofinvestigationindicatedthatit’Sstronglynecessarytoenhancetheoutsideheattransferofthedownholeheatexchangerandmak

7、eallpartsmatchedwell．HeattransferenhancementoftheoutsideofthedownholeheatexchangerisveryimportanttothedecreaseoftheinitialandrunningCOSt，especiallyintheconditionsofairconditioning．Theresultalsoprovedthatincreasinglocalexergyefficiencycouldnotimprovetheeconomicperformance西南交

8、通大学硕士研究生学位论文第llI页oftheGSHPsystem．Optimizationshouldbeconsideredaccordingtothewholo