Simulation of transients in ads reactors in three-dimensional geometry

Accelerator-Driven System, ADS, belong to the new generation of advanced reactors being developed that promise to drastically reduce the life of radioactive waste by, for example, the transmutation process. Subcritical reactor designs of the ADS type have attracted worldwide attention and are the su...

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Bibliographic Details
Published inBrazilian Journal of Radiation Sciences Vol. 9; no. 2B
Main Authors Carneiro, José Rafael Nicolao, De Lima, Zelmo Rodrigues, Gonçalves, Alessandro da Cruz
Format Journal Article
LanguageEnglish
Published Brazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR) 25.07.2021
Subjects
spatial kinetics
subcritical core
transients
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Summary:Accelerator-Driven System, ADS, belong to the new generation of advanced reactors being developed that promise to drastically reduce the life of radioactive waste by, for example, the transmutation process. Subcritical reactor designs of the ADS type have attracted worldwide attention and are the subject of research and development in several countries. The purpose of this work is to simulate transients associated with ADS. It adopted the neutron diffusion model that leads the spatial kinetics equations. These equations are solved by the known numerical method of finite differences. The simulations are performed considering transients related to the variations in the intensity of the proton flux provided by the particle accelerator acting in a sub-critical reactor in three-dimensional geometry for two energy groups and six groups of delayed neutron precursors.
ISSN:2319-0612
2319-0612
DOI:10.15392/bjrs.v9i2B.1417