Simulation of transients in ADS reactors in three-dimensional geometry

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Zelmo R. de Lima
José Rafael Nicolao Carneiro
Alessandro da Cruz Gonçalves

Resumo

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. 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


 

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Seção
Nuclear Reactor Engineering and Technology