輻射供冷空調(diào)方式能耗與控制的研究.pdf

1、同濟(jì)大學(xué)機(jī)械工程學(xué)院博士學(xué)位論文輻射供冷空調(diào)方式能耗與控制的研究姓名：壽青云申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：熱能工程指導(dǎo)教師：陳汝東20090301AbstraetABSTRACTEnergysavingandreliabilityaretwooutstandingproblemsintheapplicationofradiantcoolingairconditionsystemSinceenergyconsumptionofthesystem

2、iscloselyrelatedtOtheefficiencyofthesystemwhethercondensationOccursornotdirectlydetermineswhetherthesystemCanbeusedThisdissertationanalyzesthefollowingcontentfromtheperspectiveofthetwoquestionsFirstlytheuseofexergyanalys

3、ismethodintheradiantcoolingairconditionsystemhasbeendiscussedinaresearchfulway；secondlyonthefoundationofheattransferandmasstransferanalysisineachlinkcorrespondingexergyanalysismodelshavebeenestablishedtogaintherulethatex

4、ergyefficiencychangeswithrelevantelements；thentheentireexergyanalysismodelofradiantcoolingairconditionsystemhasbeenbuiltuptogiveajudgmenttotheweaklinkintherunningprocessofthesysteminthewayofexergyanalysismethodandcomeupw

5、ithcorrespondingimprovingmeasuresFromtheviewofqualityofenergytherelationshipisanalyzedinthedesignconditionbetweenthedifferentloadratesofradiationpanelanddedicatedoutdoorairsystemandtheexergyefficiencyofradiationcoolingai

6、rcondkionsystem；theinfluenceofvariouscorrespondingmeasurestotheexergyefficiencyofradiationcoolingairconditionsystemhasbeenanalyzedaswellwhentheloadchangesBreakingthroughthenatureofcondensationthecondensationvelocityofste

7、amissolvedbytheresearchintotheprocesswhensteaminwetaircondensesontheradiantcoolingceilingbyprincipleandthenthecalculationofthecriticalcondensationcoreradiusandminimumsubcooldegreeofpanelsurfaceandfinallyestablishmentofmo

8、delofheatconveyingintheprocessofcondensationofwetairTherearecomprehensiveanalysisandcomparisonbetweenthecharacteristicoftreatmentofheatandmoistureonradiationairconditionsystemassociationbetweenthemwiththeperspectiveofoff

9、eranddemandofheatandmoistureload，judginganalysisontheproperspotsforradiantcoolingairconditioninbothqualitativeandquantitativeways，andinthemeanwhile，thenewquantitativejudgementindex‘dehumidificationindexoffreshairperunitq

10、uality’，israisedFromthethoughtofcloselyrelatedlinks“designoperation—management”thewholeprocesscontrolstrategyofcondensationisraised：thewaysofmeasureinpreventingcondensationineveryperiodareanalyzedandresearched；specifican