水源熱泵用地表水體供冷供熱能力的數(shù)值模擬.pdf

1、NumericalSimulationontheCoolingandHeatingCapacityofSurfaceWaterUsedbyWaterSourceHeatPumpADissertationSubmittedtoNanjingUniversityofTechnologyinpartialfulfillmentoftherequirementsforthedegreeofMasterofEngineeringByShengdo

2、ngFUSupervisors：Vice—ProfessorJinxiangLIUMay2007／／，碩士學位論文ABSTRACTThepaperreviewedresearchprogressofSWIIPindomesticandforeignandanalyzedandstmunarizedadvantages，disadvantagesandapplicabilityofthis、airconditionsystemInthes

3、outhofourcountryifthereistheappropriatewatersourcenearbythebuilding，theSWHPisasystemofenergyconservationandeconomicThepaperanalyzedthequestionthatwhetherthecoolingandhe撕ngcapacityofthewaterbodyadaptsthebuildingloadinwate

4、rsystemdesignestablishedtwodimensionalverticalnumericalmodelwiththewidthaverage，selectedappropriatemethodstosolvethewatertemperaturemodelequations，includingfmitevolumemethod，staggeredgridmethod，semiimplicitmethodforpress

5、urelinkedequations，alternatingdirectionimplicitmethodThencalculateflowvelocityoftheoutfall誦tlldichotomyAfterthat，itCancomputethecoolingandheatingcapacityofthenaturewater、析mthedifferenceinwatertemperatureandtheCOPThepaper

6、tookanactualengineeringprojectasexample，discussedsomefactom，includingthedepthofthe“吒thedepthofthelake，thedifferenceintemperature，heatexchangingonwatersurface，naturewatertemperature，thedistancebetweeninletandoutletandlake

7、length，relatedwiththecoolingandheatingcapacityofthewaterbodyThenaccordingtotheseresults，thepapergavesomesuggestionsaboutwatersystemdesignThefindingsindicatedthatthecoolingandheatingcapacityincreasedalongwiththedepthofinl

8、etincreasinginsumnlerandtheaverageofincreasedrangewas7434kW／mforappointedwaterbodyThelowestdepthofthemaximalthermalcapacitywas3metersinwinterAlongwiththedepthofthelakedecreasedthecoolingandheatingcapacitywoulddecreaseWhe

9、nthedepthofthelakelessthan3meters，itisnotfittousesurf搬waterheatpumpsAccordingtothebuildingloadthedistancebetweeninletandoutletcanbedecreasedproperlyWhenthedepthofthelakeismorethan5meters，theinfluenceofheatexchangeonsulfa