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Matrix formulation with exponential filter for reactivity calculations

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Title: Matrix formulation with exponential filter for reactivity calculations

Authors: Daniel Suescún-Díaz, Geraldyne Ule-Duque, Freddy Humberto Escobar

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: 9

Language: English

Categories
Nuclear Reactors (7) Reactivity Calculation (9) Matrix Formulation (2) Computational Physics (89) Nuclear Engineering (129)

Abstract

In this work, we study the method of matrix formulation when the neutron density presents noise. An exponential filter to reduce fluctuations in the calculation of reactivity is proposed. Neutron density fluctuations are simulated by assuming that its values are around an average density value with a Gaussian distribution. The results are presented for an exponential form of the neutron density and several standard deviations, with two different sample sizes for filtering that produce delays in the calculation of reactivity and with a first order of delay low-pass filter.

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