Stochastic Neutron Population with Temperature Feedback Effects Using the Implicit Runge-Kutta Scheme

Numerical simulations are carried out to study the temporal behaviour of the neutron population and the concentration of delayed neutron precursors in a nuclear power plant by solving the stochastic equations of point kinetics considering temperature feedback effects. These equations are solved thr...

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Main Author: Daniel Suescún-Díaz
Format: Article
Language:English
Published: Tamkang University Press 2025-01-01
Series:Journal of Applied Science and Engineering
Subjects:
Online Access:http://jase.tku.edu.tw/articles/jase-202508-28-08-0016
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author Daniel Suescún-Díaz
author_facet Daniel Suescún-Díaz
author_sort Daniel Suescún-Díaz
collection DOAJ
description Numerical simulations are carried out to study the temporal behaviour of the neutron population and the concentration of delayed neutron precursors in a nuclear power plant by solving the stochastic equations of point kinetics considering temperature feedback effects. These equations are solved through the implicit Runge-Kutta scheme of order 1.5 with up to 500 Brownian motions. The computational cost can be reduced by using the analytical expression of the square root of the covariance matrix. The numerical simulations present good approximations in terms of means and standard deviations in agreement with other results using different numerical methods. The proposed scheme has good accuracy, it can be considered as an alternative method to simulate the time evolution of the stochastic density of the neutron population and the concentration of delayed neutron precursors considering temperature feedback effects.
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institution Kabale University
issn 2708-9967
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language English
publishDate 2025-01-01
publisher Tamkang University Press
record_format Article
series Journal of Applied Science and Engineering
spelling doaj-art-1d2db203c5b54c488e8fdb9cbb2b4a972025-01-31T15:14:35ZengTamkang University PressJournal of Applied Science and Engineering2708-99672708-99752025-01-012881795180310.6180/jase.202508_28(8).0016Stochastic Neutron Population with Temperature Feedback Effects Using the Implicit Runge-Kutta SchemeDaniel Suescún-Díaz0Department of Exact and Natural Sciences, Applied Physics Group, Surcolombiana University, AA 385 Neiva, Colombia.Numerical simulations are carried out to study the temporal behaviour of the neutron population and the concentration of delayed neutron precursors in a nuclear power plant by solving the stochastic equations of point kinetics considering temperature feedback effects. These equations are solved through the implicit Runge-Kutta scheme of order 1.5 with up to 500 Brownian motions. The computational cost can be reduced by using the analytical expression of the square root of the covariance matrix. The numerical simulations present good approximations in terms of means and standard deviations in agreement with other results using different numerical methods. The proposed scheme has good accuracy, it can be considered as an alternative method to simulate the time evolution of the stochastic density of the neutron population and the concentration of delayed neutron precursors considering temperature feedback effects.http://jase.tku.edu.tw/articles/jase-202508-28-08-0016nuclear power plantnuclear reactorstochastic equations of point kineticsnumerical experimentreactivity
spellingShingle Daniel Suescún-Díaz
Stochastic Neutron Population with Temperature Feedback Effects Using the Implicit Runge-Kutta Scheme
Journal of Applied Science and Engineering
nuclear power plant
nuclear reactor
stochastic equations of point kinetics
numerical experiment
reactivity
title Stochastic Neutron Population with Temperature Feedback Effects Using the Implicit Runge-Kutta Scheme
title_full Stochastic Neutron Population with Temperature Feedback Effects Using the Implicit Runge-Kutta Scheme
title_fullStr Stochastic Neutron Population with Temperature Feedback Effects Using the Implicit Runge-Kutta Scheme
title_full_unstemmed Stochastic Neutron Population with Temperature Feedback Effects Using the Implicit Runge-Kutta Scheme
title_short Stochastic Neutron Population with Temperature Feedback Effects Using the Implicit Runge-Kutta Scheme
title_sort stochastic neutron population with temperature feedback effects using the implicit runge kutta scheme
topic nuclear power plant
nuclear reactor
stochastic equations of point kinetics
numerical experiment
reactivity
url http://jase.tku.edu.tw/articles/jase-202508-28-08-0016
work_keys_str_mv AT danielsuescundiaz stochasticneutronpopulationwithtemperaturefeedbackeffectsusingtheimplicitrungekuttascheme