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- Enrichment of Heavy Water in Spiral Wired Thermal Diffusion Columns of the Frazier Scheme
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題 名 | Enrichment of Heavy Water in Spiral Wired Thermal Diffusion Columns of the Frazier Scheme=福雷茲型螺旋捆線熱擴散塔中提煉重水 |
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作 者 | 葉和明; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 33:2 2002.03[民91.03] |
頁 次 | 頁203-210 |
分類號 | 460.02 |
關鍵詞 | 螺旋捆線; 熱擴散; 提煉; 重水; Heavy water; Thermal diffusion; Wired column; Frazier scheme; |
語 文 | 英文(English) |
中文摘要 | 本文推介福雷茲型螺旋捆線熱擴散中之提煉重水之分離理論,並推導獲得最大分離度,最大產率及最小塔長之最佳捆線角度的計算式。在最佳捆線角度之操作下,可適當調節並控制對流強度,遂而壓制不良之再混和效應,並保留有利之續流效應,終於獲得相當程度之效率改進。 |
英文摘要 | A separation theory for the enrichment of heavy water in the Frazier scheme of concentric-tube thermal diffusion columns with a tight fitting wire spiral, having a diameter equal to the annular spacing, wrapped on the entire inner tube, has been developed. Equations for the best wire angle of inclination for maximum separation, maximum production rate and minimum column height have been derived. Considerable improvement in performance is obtainable if the wire spiral is employed the column at the optimum angle, instead of the absence of wire spiral, so that the convection strength can be properly reduced and controlled, resulting in suppression of the undesirable remixing effect while still preserving the desirable cascading effect. |
本系統中英文摘要資訊取自各篇刊載內容。