The physics of transmutation in critical or subcritical reactors

Massimo Salvatores

doi:10.1016/S1631-0705(02)01350-6

Du combustible nucléaire aux déchets : recherches actuelles/From nuclear fuels to waste: current research

The physics of transmutation in critical or subcritical reactors
[Physique de la transmutation en réacteur critique ou sous-critique]

Massimo Salvatores ¹

¹ CEA – DEN/DDIN (Cadarache), bâtiment 101, 13108 Saint-Paul-Lez-Durance, France

Comptes Rendus. Physique, Volume 3 (2002) no. 7-8, pp. 999-1012.

Résumé
Abstract

La physique de la transmutation est présentée avec application aux réacteurs critiques et sous-critiques. Le concept de « économie des neutrons » est utilisé pour dégager les pistes les plus prometteuses. L'impact de la transmutation sur la réduction de la radiotoxicité des déchets radioactifs est indiqué dans le cadre de différentes stratégies d'implémentation de la transmutation en réacteur. La nécessité d'une validation expérimentale, en particulier dans les domaines des données nucléaires, de la physique des réacteurs sous-critiques pilotés par accélérateur et des combustibles dédiés à la transmutation, est aussi évoquée.

The physics of transmutation is presented with application to critical and subcritical reactors. The concept of the ‘neutron economy’ is used to indicate the most promising approaches. The impact of transmutation on the reduction of the radioactive waste radiotoxicity is underlined in the framework of different strategies for the implementation of transmutation in reactors. The need of experimental validation, in particular in the fields of nuclear data, of the physics of accelerator driven subcritical systems and of fuels dedicated to transmutation, is also mentioned.

Reçu le : 2002-01-29
Accepté le : 2002-04-08
Publié le : 2002-06-14

DOI : 10.1016/S1631-0705(02)01350-6

Keywords: transmutation, neutron economy, nuclear cross sections, sub-critical reactor, radioactive wastes, radiotoxicity
Mot clés : transmutation, économie des neutrons, sections efficaces, réacteur sous-critiques, déchets radioactifs, radiotoxicité

Affiliations des auteurs :

Massimo Salvatores ¹

¹ CEA – DEN/DDIN (Cadarache), bâtiment 101, 13108 Saint-Paul-Lez-Durance, France

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Massimo Salvatores. The physics of transmutation in critical or subcritical reactors. Comptes Rendus. Physique, Volume 3 (2002) no. 7-8, pp. 999-1012. doi : 10.1016/S1631-0705(02)01350-6. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/S1631-0705(02)01350-6/

Bibliographie
Cité par

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