大型工業(yè)用板式IEC的計(jì)算機(jī)仿真及優(yōu)化研究.pdf

1、Y1026403⑧申請(qǐng)同濟(jì)大學(xué)工學(xué)碩士學(xué)位論文大型工業(yè)用板式IEC的計(jì)算機(jī)仿真及優(yōu)化研究培養(yǎng)單位：機(jī)械工程學(xué)院一級(jí)學(xué)科：土木工程二級(jí)學(xué)科：供熱、供燃?xì)?、通風(fēng)及空調(diào)工程研究生：羅海燕指導(dǎo)教師：張旭教授二oo七年三月AbstractABSTRACTIndirectevaporativecoolerwhichcombineswatercoolingandaircoolingaswellasheatandmasstransferisahighl

2、yeffectiveandenergysavingcoolingfacilityAsamorecompactandapplicablehearexchangerthanPipeindirectevaporativecoolerPlateindirectevaporativecoolerisusedmoreandmorewidelyinindustryNowadays，thoughwehaveachievedlotsofusefuland

3、helpfuloutcomesinthecourseofstudiesandapplicationsofevaporativecoolertherearestillmanyissues，whichneedtobesolvedThepurposeofthisthesisistomakesystematicresearchonevaporativecoolersbytheoreticalandexperimentalmethods，topr

4、omotethepopularizationandutilizationoftheplateindirectevaporativecoolerinindustryfieldAccordingtothetheoriesofheatandmasstransferthedifferentialequationgroupsarepresentedbasedontheanalysisoftheheatandmasstransferprocessi

5、ntheplateindirectevaporativecoolerwhentheworkfluidiscondensedTheanalyticresultsandsimulationsoftwareareobtaineduponseveralproperpresumptions，whichcanbeusedforthedesigningandcalculatingofindustrial州cctAndtheanalyticexpres

6、sionsofthedistributionsofthesprayingwatertemperatureandthecoolingairenthalpyalongtheheightoftheevaporativecoolerarealsoacquiredThetemperaturedistributionsofworkingfluidandsprayingwaterandtheenthalpyofcoolingairareobtaine

7、d，whichCallbeusedtosizeandoptimizetheevaporativecoolerWhenthephaseoftheworkfluidbeingcooleddoesn’tchange，accordingtothepracticalprojectapplicationthesimplifiedthermalcalculationmethodfurplateIECissystematicallypresentedb

8、asedonproperpresumptionsandtheresearchresultsofformerresearchersAndadesigning—aidingsoftwareisalsomadeoutforprojectcalculationThroughmodelexperimenttestingtherationalityofusingsynthesizedheatexchangecoefficientbasedonthe