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《r134a在臥式螺旋管內(nèi)單相流動(dòng)和過(guò)冷流動(dòng)沸騰換熱特性研究》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、山東大學(xué)碩士學(xué)位論文3．5DataAcquisition????????????????????????．．253．6OtherEquipment????????????????????????．．263．6．1RefrigerantRecycling???????????????????263．6．2HalogenLeakDetector??????????????????．．263．6．3VacuumPump???????????????????????263．6．4DCPowerSupply?????????????????????．273．
2、7HeatPreservationandSeals???????????????????．273．8Summarv????????????????????????????．28ChapterfourExperimentalDataReduction??????????????．．294．1MassFlux???????????????????????????．294．2HeatingPower?????????????????????????．．304．3HeatF1ux????????????????????????????304．4InnerW
3、allTemperatureofHelically—coiledTubes????????．．314．5LocalHeatTransferCoe螄cients?????????????????314．6TheInverseCalculationFormulaofSaturatedTemperature????324．7UncertaintyAnalysis??????????????????????．．32-4．8Summarv????????????????????????????．33ChapterfiVeTheHeatTransferChar
4、acteristicsofSingle-phaseflowandSubcooledFlowBOiling????????????????????????．．345．1Single-phaseFlowHeatTransferCharacteristicsofR134ainHorizontalHelically·coiledTubes??????????????????355．1．1DistributionofWallTemperature?????????????．．355．1．2TheEffectofHeatF1uxonHeatFlux??????
5、?????．．375．1．3TheEffectofMassFluxonHeatFlux???????????．385．1．4TheEff．ectofinletsubc001edtemperatureonHeatFlux??．．385．2Subc001edFlowBoilingHeatTransferCharacteristicsofR134ainHorizontalHelicallv．coiledTubes??????????????????405．2．1DistributionofWallTemperature?????????????．．405
6、．2．2TheEffectofHeatFluxonHeatF1ux???????????．．425．2．3TheEffectofMassFluxonHeatFlux???????????．435．2．4TheEffectofinletsubcooledtemperatureonHeatFlux??．．445．3Summarv????????????????????????????．44V山東大學(xué)碩士學(xué)位論文ChaptersixConclusionsandtheFutureWOrk?????????????466．1SummarytoPresentR
7、esearch??????????????????．466．2InadequateandProspects????????????????????．47References??????????????????????????????．．49Acknowledgements??????????????????????????．53PubIishedpaperformasterdegree??????????????????．54VI山東大學(xué)碩士學(xué)位論文F：曰tI■Ez螺旋管因具有傳熱效率高、結(jié)構(gòu)緊湊和污垢熱阻小等優(yōu)點(diǎn)，在高效蒸汽發(fā)生器和冷卻器、核反應(yīng)
8、堆、石油化工、航天航空、微電子器件冷卻、先進(jìn)燃料電池系統(tǒng)冷卻以及制冷與低溫技術(shù)等領(lǐng)域得到了非常廣泛的應(yīng)用。臥式螺旋管內(nèi)過(guò)冷
