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Efficiency of membranes for isotopic separation: effect of cracks

机译:同位素分离膜的效率:裂缝的影响

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In order to evaluate the separation factor for the isotopic separation of Uranium in the conventional enrichment process by gaseous diffusion through mem- branes, it is fundamental to control the size of the pore radius. The efficiency of the separation process depends critically on this value. The existence of cracks may af- fect the performance of the membrane or even disable it. In the particular case of Uranium enrichment, in order To increases the separation factor, it is necessary to have Pores of a very small radius making even more critical the Presence of cracks. Here we discuss the influence of cracks On the separation process, deriving the corresponding ex- Pressions for the separation factor (α) by considering its Effect on the separation effectiveness (S) and the permeabi Lity (H).
机译:为了评估在常规富集过程中通过膜气态扩散进行铀同位素分离的分离因子,控制孔半径的大小至关重要。分离过程的效率主要取决于该值。裂纹的存在可能会影响膜的性能,甚至使其失效。在铀浓缩的特殊情况下,为了增加分离系数,必须具有很小的半径的孔,从而使裂纹的存在更为关键。在这里,我们讨论了裂纹对分离过程的影响,并考虑了分离因子对分离效率(S)和磁导率(H)的影响,得出了分离因子(α)的相应表达式。

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