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Ideal and Optimum Cascades

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In gaseous diffusion and gas centrifuge uranium enrichment plants, separating units are connected in cascades. The stage separation factor in gaseous diffusion is close to unity, while in a gas centrifuge it is much larger. Ideal cascades for separating binary mixtures have been designed with no mixing of the species. A new concept, particularly applicable to cascades with large stage separation factors, is called the “optimum” cascade. These cascades allow mixing, but the value of the total flow as found in some cases is less than in corresponding ideal cascades. In this paper, ideal and optimum cascades are discussed and compared.

Keywords: Binary isotope mixture; cascade; ideal cascade

Document Type: Research Article


Affiliations: 1: Department of Molecular Physics, Moscow Engineering Physics Institute (State University), Kashirskoe Shosse, Moscow, Russia 2: University of Virginia, Department of Mechanical and Aerospace Engineers, Engineer's Way, Charlottesville, VA, USA

Publication date: 2008-01-01

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