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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/44144

    题名: Multiple-Pass Flow Mass Transfer in a Parallel-Plate Channel by Inserting Permeable Barriers for Improved Device Performance
    作者: Ho, Chii-dong;Tu, Jr-wei
    贡献者: 淡江大學化學工程與材料工程學系
    关键词: Mass Transfer;Multiple-Pass Operations;External Refluxes;Conjugated Graetz Problems;Eigenfunction Expansion Techniques
    日期: 2004-05-22
    上传时间: 2010-03-09 09:57:26 (UTC+8)
    出版者: Kagaku Kogaku Kyokai,Society of Chemical Engineers, Japan
    摘要: A multi-pass laminar counterflow mass exchange device is an open conduit divided into four subchannels with uniform wall concentration, by inserting three permeable barriers. Only the composition of the flow stream varies along the channels. The Sherwood numbers as well as the improvement of mass transfer efficiency have been investigated analytically by using an Eigenfunction power series expansion.
    The device performance results in multi-pass operations are represented graphically and compared with those in a single-pass device (without permeable barriers inserted). Analytical results show that there exists a best permeable-barrier position when both the mass transfer improvement and the increment of power consumption are considered and thus can effectively enhance the mass transfer efficiency compared with that of single-pass operations.
    關聯: Journal of Chemical Engineering of Japan 37(1), pp.45-58
    DOI: 10.1252/jcej.37.45
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文


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