熱拡散法によるトリチウムの濃縮 : TH-H2, TD-D2, T2-4Heの系

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  • Enrichment of Tritium by Thermal Diffusion : TH-H2, TD-D2, T2-4He Systems

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The enrichment of tritium which was mixed with H2, D2, or He was studied by means of thermal diffusion cylindrical columns. Four cylindrical columns with different diameters were used in this study. A gas reservoir was connected to each column in order to increase the separation efficiency. The temperature of the inner heater was changed over a range from 200℃to 450℃ keeping the column at 20℃. The results showed that the maximum equilibrium separation factor for TH in H2 was 17, that for TD in D2 was 4.5, and that for T2 in He was 18. The optimum distance between the inner heater and the cooled wall was estimated by a modified Waldmann's equation.

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