The Effect of Recycle on Double-Pass Laminar Counterflow Concentric Circular Mass Exchangers

doi:10.1252/jcej.38.12

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 987654321/44146

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題名:	The Effect of Recycle on Double-Pass Laminar Counterflow Concentric Circular Mass Exchangers
作者:	何啟東;Ho, Chii-dong;林國賡;Lin, Gwo-geng;Ho, Cheng-lin
貢獻者:	淡江大學化學工程與材料工程學系
關鍵詞:	Mass Exchangers;Concentric Circular Tube;Conjugated Graetz Problems;Recycle Effect
日期:	2005-01-01
上傳時間:	2010-03-09 09:57:34 (UTC+8)
出版者:	Kagaku Kogaku Kyokai,Society of Chemical Engineers, Japan
摘要:	A double-pass mass exchanger with external recycle by inserting a permeable barrier to divide a circular tube into two subchannels of uniform wall concentration, resulting in substantially improving the mass transfer rate, has been investigated theoretically. The mathematical formulation to such a double-pass concentric circular mass exchanger with external recycle, as referred to conjugated Graetz problems, and theoretical analysis on mass transfer efficiency improvement have been developed using an orthogonal expansion technique in power series. The analytical results show that considerable improvement in mass transfer is obtained with a suitable adjustment of the permeable-barrier position and recycle ratio. The numerical example in mass transfer efficiency by arranging the recycle ratio were illustrated with the mass-transfer Graetz number as a parameter. The effects of permeable-barrier position and recycle ratio on the mass-transfer efficiency improvement as well as on power consumption increment have been also discussed.
關聯:	Journal of Chemical Engineering of Japan 38(1), pp.12-17
DOI:	10.1252/jcej.38.12
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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