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


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Article Info

DATE

2019-03-22

AUTHORS

A. M. Zagrebayev, G. A. Zaluzhnaya, V. I. Naumov

ABSTRACT

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. More... »

PAGES

1-6

References to SciGraph publications

Journal

TITLE

Atomic Energy

ISSUE

5

VOLUME

125

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10512-019-00482-9

DOI

http://dx.doi.org/10.1007/s10512-019-00482-9

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1112942395


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