Generalized Point Reactor Kinetics

In this paper, we are proposing a generalized analytical solution to the point reactor kinetics equations for six groups of delayed neutron precursors for both conventional and subcritical equations. The methodology presented aims to obtain an analytical solution using the similarity transformation technique. This solution will make it possible to evaluate the behavior of the nuclear reactor power as a function of time, for a given constant reactivity inserted in the reactor core, in a very simple way and without computational effort, compared to numerical solutions. The results obtained will be compared with reference methods to validate the methodology presented in this paper.

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Publication Details

Journal
Brazilian Journal of Radiation Sciences
Published
2025-02-21
DOI
https://doi.org/10.15392/2319-0612.2025.2773
Primary Topic
Graphite, nuclear technology, radiation studies
Type
article
Field-Weighted Citation Impact
0.00

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article

Generalized Point Reactor Kinetics

Akira Oyama, Adilson Costa da Silva, Alessandro da Cruz Gonçalves, Aquilino Senra Martinez
4 links
Brazilian Journal of Radiation Sciences
Graphite, nuclear technology, radiation studies
article

Generalized Point Reactor Kinetics

Akira Oyama, Adilson Costa da Silva, Alessandro da Cruz Gonçalves, Aquilino Senra Martinez
article en

Abstract

In this paper, we are proposing a generalized analytical solution to the point reactor kinetics equations for six groups of delayed neutron precursors for both conventional and subcritical equations. The methodology presented aims to obtain an analytical solution using the similarity transformation technique. This solution will make it possible to evaluate the behavior of the nuclear reactor power as a function of time, for a given constant reactivity inserted in the reactor core, in a very simple way and without computational effort, compared to numerical solutions. The results obtained will be compared with reference methods to validate the methodology presented in this paper.

Brazilian Journal of Radiation SciencesVol. 13(1)
Universidade Federal do Rio de Janeiro (BR), Nuclear Engineering Institute (BR)
Universidade Federal do Rio de Janeiro
Openalex Percentile: Top 98%
Graphite, nuclear technology, radiation studies
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