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Atomic Energy

, Volume 125, Issue 5, pp 284–289 | Cite as

Simplified Mathematical Model and Realization of the Remaining Life of Nuclear Fuel Upon Decommissioning of RBMK-Type Reactor

  • A. M. Zagrebayev
  • G. A. Zaluzhnaya
  • V. I. Naumov
Article
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The realization of the residual life of nuclear fuel upon decommissioning of a RBMK type channel reactor is studied. A mathematical model of the energy-production spectrum of FA is presented. Two methods of decommissioning a reactor depending on the method of criticality conservation are compared. The first possible method of conserving the criticality of a reactor upon commissioning is extraction of the FA with high energy production and the second is formation of a two-zone load: fresh FA are placed at the center and spent FA at the periphery. The second method gives a greater advantage in terms of power and remaining energy-production life. The results were obtained in a point model of the dynamics of the FA spectrum in a linear fit to the FA power and multiplication coefficient versus energy production and attest the fundamental possibility of optimizing fuel use and decommissioning of a RBMK reactor.

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References

  1. 1.
    A. M. Fedosov, “Optimal fuel utilization upon decommissioning of NPP with RBMK,” At. Energ., 102, No. 5, 284–290 (2007).Google Scholar
  2. 2.
    N. A. Dollezhal and I. Ya. Emelyanov, Channel Nuclear Power Reactor, Atomizat, Moscow (1980).Google Scholar

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • A. M. Zagrebayev
    • 1
  • G. A. Zaluzhnaya
    • 1
  • V. I. Naumov
    • 1
  1. 1.National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)MoscowRussia

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