A study on flow and heat transfer characteristics for saturated falling-film evaporation of liquid oxygen in a vertical channel
作者： Yuanyuan Zhou , Jianlin Yu , Yanzhong Li
DOI: 10.1016/J.IJHEATMASSTRANSFER.2012.07.044
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摘要: Abstract In this study, a mathematical model for the laminar falling film is presented in order to simulate evaporation heat transfer characteristics liquid oxygen films. The takes into account effect of interfacial shear. values thickness, coefficient as well shear are obtained under given conditions by solving with an iteration method. influences inlet Reynolds number, channel length and on flow analyzed detail. Effects key factors circulation ratio fluid mass rate generated vapor rate, important design parameter reboilers/condensers, particularly analyzed. addition, variations average velocity also discussed. analysis results could provide theoretical guidance simulation downflow reboilers/condensers applied air separation units.
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