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    題名: A study of the separation efficiency of rotated concentric-tube thermal diffusion columns with helical plane inserted as a spacer in the annulus
    作者: 葉和明;Yeh, Ho-ming;Tsai, Shau-wei
    貢獻者: 淡江大學化學工程與材料工程學系
    日期: 1981
    上傳時間: 2009-11-04 15:55:02 (UTC+8)
    出版者: Tokyo:Kagaku Kogaku Kyokai / Society of Chemical Engineers, Japan
    摘要: The separation efficiency of rotated concentric-tube thermal diffusion columns with helical plane inserted as a spacer in the annulus was investigated with consideration of the curvature effect. It was found that the cascading effect could be effectively improved by rotating the tubes oppositely, while the remixing effect could be effectively reduced by employing a helical plane as a spacer, thereby leading to improved separation. Considerable improvement in separation was obtained by employing such column operating at the best tube-speed of rotation and the best wrapped angle of helical plane instead of using the stationary column without a helical plane. The equations for determination of the best value of wall distance and the highest separation in a batch-operated empty double-tube column were also derived.
    關聯: Journal of Chemical Engineering of Japan 14(2), pp.90-97
    DOI: 10.1252/jcej.14.90
    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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