Schematic separation nozzle used in aerodynamic uranium enrichment plants. In aerodynamic enrichment processes, a mixture of gaseous UF<sub>6</sub> and light gas (hydrogen or helium) is compressed and then passed through separating elements wherein isotopic separation is accomplished by the generation of high centrifugal forces over a curved-wall geometry. Full enrichment plants would have thousands of these tiny structures photoetched in foil and bound together.
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