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Effects on reactivity with feedback tempearture

Abstract

Different numerical simulations for the calculation of reactivity with feedback temperature effects are presented in this work. The Euler-Maclaurin series approximation with the second Bernoulli number is considered to discretize the inverse point kinetic equations. The Doppler effect is considered in dependence on the feedback temperature, which is recursively calculated from an initial value. Different numerical experiments with different computational time steps, simulation times, and neutron population density shapes are performed to validate the proposed method.

Keywords

Numerical simulation, Neutron density, Reactivity, Feedback temperature

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Author Biography

DANIEL SUESCUN DIAZ

Físico, MSc en Física de la Universidad Industrial de Santander, Doctor en Física de reactores nucleares de la Universidad Federal de Rio de Janeiro. Sus intereses de investigación incluyen la dinámica de reactores nucleares, el cálculo de la reactividad nuclear.

Geraldyne Ule Duque

Física de la Universidad Surcolombiana, magister en Física Médica de la Universidad de Valencia, España. Es becaria del programa Marie Sklodowska Curie del Organismo internacional de Energía Atómica (OIEA). Con experiencia en investigación en el departamento de Aplicaciones Nucleares en la Salud Humana, laboratorio de dosimetría igualmente en el OIEA. Actualmente estudia su doctorado (PhD) en Física en la Universidad de Bangor, Gales, con una beca del Laboratorio Nacional Nuclear (NNL) del Reino Unido.

Jesús A Chala Casanova

Jesús Antonio Chala Casanova es egresado de física en la Universidad Surcolombiana (Neiva, Colombia). Sus intereses de investigación incluyen la dinámica de reactores nucleares, el cálculo de la reactividad nuclear, la densidad de neutrones y, en particular, el diseño de herramientas teóricas y computacionales para la resolución de problemas de física nuclear. Es investigador del departamento de Ciencias Naturales de la Universidad Surcolombiana. https://orcid.org/0000-0001-8609-0518


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