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Time-dependent diffusion coefficient for up-scaled neutron point kinetics equations

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Title: Time-dependent diffusion coefficient for up-scaled neutron point kinetics equations

Authors: G. Espinosa-Paredes, C. G. Aguilar-Madera, D. Suescún-Díaz

Journal: ARPN Journal of Engineering and Applied Sciences

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
X 2020-07-01 2021-06-30

Publisher: Khyber Medical College, Peshawar

Country: Pakistan

Year: 2020

Volume: 15

Issue: 19

Language: English

Categories
Nuclear Reactors (7) Neutron Kinetics (1) Diffusion Coefficient (1) Computational Physics (89) Nuclear Engineering (129)

Abstract

The time-dependent neutron diffusion coefficient as well as the interfacial cross section coefficient in nuclear reactors at short time-scale are applied to obtain a novel up-scaled neutron point kinetics (T-UNPK) equations. The general solution applied in this work to obtain T-UNPK equations relative to spatial deviations-boundary-value problem that allows closing the up-scaled neutron diffusion equation were previously obtained [1]. The T-UNPK equations consider a new term of reactivity that is function of time.

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