Multiple-Pass Flow Mass Transfer in a Parallel-Plate Channel by Inserting Permeable Barriers for Improved Device Performance

淡江大學機構典藏 > 工學院 > 化學工程與材料工程學系暨研究所 > 期刊論文 > Item 987654321/44144

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題名:	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
貢獻者:	淡江大學化學工程與材料工程學系
關鍵詞:	Mass Transfer;Multiple-Pass Operations;External Refluxes;Conjugated Graetz Problems;Eigenfunction Expansion Techniques
日期:	2004-05-22
上傳時間:	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
顯示於類別:	[化學工程與材料工程學系暨研究所] 期刊論文

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