空气源热泵直供地板辐射供暖的效果-分析与-研究

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1、万方数据河北科技大学硕士学位论文AbstractThedirectfloorradiantheatingsystemwithairsourceheatpumpisanewkindofsaving—energysystem．Atpresent，thereisnostudyaboutsomeimportantthermalparameters，suchasthegroundheatfluxdensityandtheaveragesurfacetemperature，theheatingperformanceofthenewtypesystemisalsoalackofdetaileda

2、nalysisandresearch．Thispaper,aimingatthethermalpropertiesoffloorradianttransferprocesswithairsourceheatpumpandtheheatingperformancesofheatpumpunits，carryoncomprehensivequantitativeanalysisandresearch．Firstly,setupthephysicalmodelsandmathematicalmodelsoffloorradiantheating，determinethespecificb

3、oundaryconditions，laythefoundationtheanalysisofnumericalsimulation．ThenusingtheFLUENTsoftwaretocarryonsimulationcalculationofdifferentheatmediumtemperature，differentpipediameter,differentpipespacing，differentindoortemperatureanddifferentsurfacematerials，obtainaseriesofnumericalsolutionsoftheth

4、ermalparametersinfluencedbyvariousfactors，andmakeintoforms．Throughanalysisthegraphsdrawnaboutrelationshipoftheonandundersurfaceheatfluxdensityvalueandtheaveragesurfacetemperaturevalueandvariousinfluencefactors，gettheinfluencedegreeofvariousinfluencefactorsonsurfaceheatfluxdensityandtheaverages

5、urfacetemperature．Finally，throughsettinguptheexperimentplatformofthedirectairsourceheatpumpheating，testtheheatperformanceofthreedifferentsetsofairSOurCeheatpumpunits，provethepossibilityofthesystem，andthencalculatetheheatingareaofacertainparticularfloorradiantmodelbyusingsimulatingnumericalsolu

6、tionsandexperimenttestingheatingquantityofheatpumpunis．Throughtheresearchresultsbymathematicalsimulationandexperimenttest，providethedataandtheoryreferenceintheaspectofdesign，constructionandoperationmaintenancefortheairsourceheatpumpdirectfloorradiantheatingsystem，andlaythereliablebasisforitsfu

7、tureapplicationpromotion．KeywordsAirSOurCeheatpump；Directfloorradiantheating；Heatfluxdensity；Surfaceaveragetemperature；Heatpumpunits；EnergyefficiencyratioII万方数据目录目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯IAbstract⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯