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Influence du retraitement physico-chimique du sel combustible sur le comportement du MSFR et sur le dimensionnement de son unité de retraitement

Abstract : In order to face with the growing of the energy demand, the nuclear industry has to reach the fourth generation technology. Among those concept, molten salt reactor, and especially the fast neutron spectrum configuration, seems very promising: indeed breeding is achievable while the feedback coefficient are still negative. However, the reprocessing salt scheme is not totally set down yet. A lot of uncertainties remain on chemical properties of the salt. Thanks to numerical simulation we studied the behavior of the molten Salt Fast Reactor coupled to a nominal repossessing unit. We are now able to determine heat transfer and radiation in each elementary step of the unit and, by this way determine those that need special study for radioprotection. We also studied which elements are fundamental to extract for the reactor operation. Finally, we present a sensibility analysis of the chemical uncertainties to few relevant properties of the reactor behavior
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https://tel.archives-ouvertes.fr/tel-00553238
Contributor : Xavier Doligez Connect in order to contact the contributor
Submitted on : Thursday, January 6, 2011 - 6:12:13 PM
Last modification on : Wednesday, December 16, 2020 - 3:54:04 PM
Long-term archiving on: : Thursday, April 7, 2011 - 3:13:17 AM

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  • HAL Id : tel-00553238, version 1

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Xavier Doligez. Influence du retraitement physico-chimique du sel combustible sur le comportement du MSFR et sur le dimensionnement de son unité de retraitement. Physique Nucléaire Théorique [nucl-th]. Institut National Polytechnique de Grenoble - INPG, 2010. Français. ⟨tel-00553238⟩

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