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Does it really make sense to use fission gas plenums in a lead-bismuth-cooled fast reactor?

Autor
Arias, F.J.; Parks, G.
Tipus d'activitat
Article en revista
Revista
Progress in nuclear energy
Data de publicació
2015-11
Volum
85
Pàgina inicial
491
Pàgina final
497
DOI
https://doi.org/10.1016/j.pnucene.2015.07.019 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0149197015300494 Obrir en finestra nova
Resum
In this paper the utility of using fission gas plenums in a lead-bismuth-cooled fast reactor (LBR) is called into question. It is shown that the primary coolant radiological activity levels due to the generation of 210Po from the neutronic activation of bismuth clearly overshadow the total radiological impact from the fission gas products even if only a tiny fraction of available unbound elementary polonium is considered, and then it does not make any difference if fission gases are collected in...
Paraules clau
Fast reactors, Fission gas plenum, Polonium-210

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