Computational study on distribution feasibility of radioactive waste transmutation in accelerator driven system
Abstract
In this paper, the feasibility of high-level radioactive waste transmutation
in accelerator driven system sub-critical reactor assembly, has been studied
for two zone's model and with three different core configurations. The inner
zone has a fast neutron spectrum and the outer one has a thermal neutron
spectrum. The subcritical core is coupled with external neutron source of
energy 14 MeV (D-T source). The effects of high level waste isotopes sample
(238Pu, 239Pu, 240Pu, 241Pu, 242Pu, 241Am, 243Am, 244Cm, and 245Cm)
distribution on the neutron spectrum and burnup performance in the inner
zone have been investigated and discussed, by proposed three core
configurations non-uniform, uniform, and spiral. The burnup calculations
have been performed for one-year operation cycle for all the all proposed
models. This work shows that one can effectively transmute most of the
actual minor actinides isotopes in the inner fast spectrum zone of the
proposed system, with optimal distribution of these isotopes.
Keywords
Education
Medicine (General)
Science
surgery
psychology
business
management. industrial management
computer engineering. computer hardware
electronic computers. computer science
ethics
nuclear and particle physics. atomic energy. radioactivity
industrial psychology
medical philosophy. medical ethics
Citation
ID:
278928
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