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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/4144


    Title: Recovery of deuterium from water-isotopes mixture in inclined flat-plate thermal diffusion columns with transverse sampling streams
    Authors: Yeh, Ho-ming
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Deuterium;Diffusion;Isotopes;Mixtures;Molecular weight;Nuclear fuels;Sampling;Thermal diffusion;Cascading effects;Flat-plate thermal diffusion columns;Nuclear fuel reprocessing;nuclear application
    Date: 2003-09
    Issue Date: 2013-03-12 11:20:16 (UTC+8)
    Publisher: Amsterdam: Elsevier BV
    Abstract: 重氫乃核熔合反應之燃料,而核熔合反應器可能在不久的將來取代核分裂反應器,以熱擴散法分離氫同位素乃一高效率之程序,因為氫同位素間具甚大之分子量比。本文討論使用傾斜平行板型側流式熱擴散塔,自水同位素混合物中回收重氫,並推導出最佳傾斜角之預測公式。結果發現,在最佳傾斜角下操作,可確實提高重氫之回收率。 Deuterium is the nuclear fuel for fusion reactors which may be created to replace fission reactors in the near future. Thermal diffusion is a powerful process for separation of hydrogen isotopes because of the large ration in molecular weight. The equations which may be employed to predict the optimum angle of inclination for recovery of deuterium from water-isotopes mixture in inclined flat-plate thermal diffusion columns with transverse sampling streams, have been derived. Substantial improvement in performance can be achieved if the column is tilted at the optimal angle, instead of being placed vertically, so that the convection strength can be properly reduced and controlled, resulting in suppressing the undesirable remixing effect while still preserving the desirable cascading effect. The regions within which inclination improves the performance have been also delineated.
    Relation: Journal of the Chinese Institute of Chemical Engineers 34(5), pp.575-580
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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