新型聚丙烯中空纤维换热器的数值模拟及其强化传热分析-numerical simulation and heat transfer enhancement analysis of new polypropylene hollow fiber heat exchanger.docx
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新型聚丙烯中空纤维换热器的数值模拟及其强化传热分析-numerical simulation and heat transfer enhancement analysis of new polypropylene hollow fiber heat exchanger
Inordertoprovidethesettingbasisofwallboundaryconditionforsimulationofonlyshell-side,statisticalanalysisofhollowfiberwallheattransferhasbeengivenaccordingtothesimulationresults.Itisfoundthatthewallboundaryconditionoftube-and-shellhollowfiberheatexchangerisapproximatedbyconstantheatflux.KEYWORDS:Polypropylene,Hollowfiber,Tube-and-shellheatexchanger,CFDsimulation,Heattransferenhancement目录前言.......................................................................................................................................................1第一章文献综述..................................................................................................................................11.1换热器简介.............................................................................................................................11.1.1传热机理......................................................................................................................11.1.2换热器的分类.............................................................................................................31.1.3换热器的发展.............................................................................................................51.1.4强化传热......................................................................................................................71.2中空纤维换热器的提出及发展..........................................................................................101.4本文主要工作.......................................................................................................................21第二章中空纤维换热器实验研究...................................................................................................222.1中空纤维换热器实验..........................................................................................................222.1.1聚丙烯中空纤维的制备...........................................................................................222.1.2中空纤维换热器的制备...........................................................................................2
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