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Mechanisms of the Initial Stage of Fuel Element Degradation in Fast-Reactor Fuel Assemblies

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The time to failure of fuel-element cladding during loss of sodium flow through fuel assemblies was evaluated numerically on the basis of a specially developed computational method. The mechanical properties of EK-164 steel were used in the calculations. The calculations were performed for different cooling regimes of the outer surface of the cladding: cooling with sodium at temperature 1073 K, boiling sodium, and sodium in a film-boiling regime.

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Authors and Affiliations

  1. State Science Center of the Russian Federation – Leipunskii Institute for Physics and Power Engineering (GNTs RF – FEI), Obninsk, Russia

    Yu. I. Zagorul’ko, M. V. Kashcheev & N. S. Ganichev

Authors
  1. Yu. I. Zagorul’ko
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  2. M. V. Kashcheev
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  3. N. S. Ganichev
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Translated from Atomnaya Énergiya, Vol. 119, No. 2, pp. 75–79, August, 2015.

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Zagorul’ko, Y.I., Kashcheev, M.V. & Ganichev, N.S. Mechanisms of the Initial Stage of Fuel Element Degradation in Fast-Reactor Fuel Assemblies. At Energy 119, 90–95 (2015). https://doi.org/10.1007/s10512-015-0034-2

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  • DOI: https://doi.org/10.1007/s10512-015-0034-2

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