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降膜蒸发器的研究进展.pdf

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FLUIDMACHINERY V01.40.No.6。2012 文章编号:1005—0329(2012)06—0082—05 降膜蒸发器的研究进展 张猛。周帼彦。朱冬生 (华东理工大学承压系统与安全教育部重点实验室,上海200237) 摘要: 降膜蒸发器广泛应用在现代工业的各个领域,其优化设计和高效应用对于节能和环保具有重要意义。本文分 析了降膜蒸发器摹本原理及特点,综述了国内外降膜蒸发器流动与传热特性、布膜及强化传热的研究情况,在此基础上, 将扭曲扁管强化传热技术引入降膜蒸发器,并对降膜蒸发器的进一步研究指出方向。 关键词:降膜蒸发器;传热性能;蒸发 中图分类号:TB65 文献标识码:B doi:10.3969/j,issn,1005—0329.2012.06.019 Research of ProgressFalling—filmEvaporator ZHANG Meng,ZHOUGuo-yan,ZHUDong-sheng ofPressure and of China (KeyLaboralory SystemsSafety,MimstryEducation,East University ofScienceand Technology,S}la|lghaj200237,China) reviewof OH Al憾ract:A the research film is is usedinallfieldofmodeutl prior fallingevaporatorpresented,whichwidely in- and are efficient of for andenvironment hmks dustry.Optimaldesign applicationenergy significancesaving protection.Thispaper backOilfundamental film flow transfer theeffects principlesoffallingevaporatorsincludingcharacteristics,heatperformance,and of which 80me for andmanufactureof film introducesEnhance parametersprovidehelp design fallingevaporators,and Technology ofTwistedTubeintothe of film forfurtherresearchisdescribed. appheationfallingevaporator.Finally,solfiesuggestions Key film transfer words:fallingevaporator;heatpedormanee;evaporation I前言 出几点建议。 降膜蒸发器
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