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ANSI/ANS-5.4-2011: Method for Calculating the Fractional Release of Volatile Fission Products from Oxide Fuel

Current standard, Supersedes ANSI/ANS-5.4-1982

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Item ID: 240285


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This standard provides an analytical method for calculating the release of volatile fission products from uranium dioxide fuel pellets during normal reactor operation. When used with nuclide yields, this method will give the release-to-birth ratio R0B or the so-called "gap release", which is the inventory of volatile radioactive fission products that could be available for release from the fuel rod if the cladding were breached.

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