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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/104538

    Title: The Analytical Study on Heavy Water Enrichment in Concentric Circular Thermal-Diffusion Columns with Optimal Plate Spacing for Improved Performance
    Authors: Ho, Chii-Dong;Yeh, Ho-ming;Chang, Hsuan;Chang, Kuang-Jung
    Date: 2013-06-01
    Issue Date: 2016-01-06 11:01:38 (UTC+8)
    Publisher: Elsevier BV
    Abstract: A two-dimensional mathematical model was developed theoretically to predict the degree of separation of heavy water in concentric circular thermal-diffusion columns with total fixed expense and with plate spacing variations. An orthogonal expansion technique for solving separation problems of heavy water enrichment to estimate optimal plate spacing for maximum separation has been developed analytically. Considerable improvements in device performance were obtained when the thermal-diffusion column with optimal plate spacing were used. The effects of plate spacing and mass flow rate and on the degree of separation have been investigated with a consideration of the fixed total expense. Further improvement can be achieved if the feed position and flow-rate fractions of top and bottom products are suitably adjusted.
    Relation: Nuclear Engineering and Design 259, pp.118-125
    DOI: 10.1016/j.nucengdes.2013.02.053
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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