Aplicación del método simplex por medio de un programa en C++, para calcular SWU en el proceso de enriquecimiento del combustible nuclear

Authors

  • Eduardo Martínez Caballero Instituto Nacional de Investigadores Nucleares https://orcid.org/0000-0003-1790-2521
  • José Ramón Ramírez Sánchez Instituto Nacional de Investigaciones Nucleares https://orcid.org/0000-0002-9203-0834
  • Liliana Beatríz Sánchez Miranda Instituto Politécnico Nacional
  • Adrián Alcántar Torres Instituto Politécnico Nacional

DOI:

https://doi.org/10.29105/ingenierias26.95-798

Keywords:

Linear Programming, simplex method, separative work units (SWU), enrichment

Abstract

The enrichment process of nuclear fuel assemblies, which were used in nuclear power reactors, requires a series of steps, the first of which takes U3O8 as the base material for conversion to UF6 and later enrichment in 235U. Gaseous diffusion is a technology used to produce enriched uranium that involves forcing UF6 gaseous through semi-permeable membranes, causing a slight separation between the 235U containing and 238U containing molecules, the successive repetition of this process leads to enriching the uranium to the desired value, the measure of effort (and associated cost) used in the enrichment process is the Separative Work Unit (SWU). Optimizing the cost of enriching uranium is a complex process in which the amount and cost of SWU and U3O8 feedstock come into play. In this work, an optimization analysis of uranium enrichment will be carried out using the Simplex Method, which is the name used to describe the general approach to the solution of linear programs using pivoting. 

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Author Biographies

Eduardo Martínez Caballero, Instituto Nacional de Investigadores Nucleares

PhD in Physicomathematical Sciences graduated from the School of Physics and Mathematics of the National Polytechnic Institute in the branch of Nuclear Engineering in 2015. Worker of the National Institute of Nuclear Research, in the Department of Nuclear Systems from 2013 to date and member of the Sistema Nacional de Investigadores e Investigadoras, from 2017 to the present.

José Ramón Ramírez Sánchez, Instituto Nacional de Investigaciones Nucleares

Industrial Chemical Engineer graduated from ESIQIE-IPN in 1981. He obtained a Master's degree in Science from the same school in 1990 and later a PhD in Nuclear Sciences from the UAEM in 2009. He is a researcher at the National Institute of Nuclear Research since December 1979.

Liliana Beatríz Sánchez Miranda, Instituto Politécnico Nacional

Graduate in Physics and Mathematics from the Escuela Superior de Física y Matemáticas of the Instituto Politécnico Nacional in the area of Mathematics in 2021.

Adrián Alcántar Torres, Instituto Politécnico Nacional

PhD. from CINVESTAV IPN in 2000. He has been a professor at the Instituto Politécnico Nacional since 1995 to date. He was a member of the Sistema Nacional de Investigadores e Investigadoras and has directed several theses at the bachelor's and master's level.

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https://www.uxc.com/p/tools/FuelCalculator.aspx

Published

2023-07-21

How to Cite

Martínez Caballero, E., Ramírez Sánchez, J. R., Sánchez Miranda, L. B., & Alcántar Torres, A. (2023). Aplicación del método simplex por medio de un programa en C++, para calcular SWU en el proceso de enriquecimiento del combustible nuclear. Revista Ingenierías, 26(95), 28–33. https://doi.org/10.29105/ingenierias26.95-798