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Cycle thorium et réacteurs à sel fondu. Exploration du champ des paramètres et des contraintes définissant le "Thorium Molten Salt Reactor"

Abstract : Producing nuclear energy in order to reduce the anthropic CO2 emission requires major technological advances. Nuclear plants of IVth generation have to respond to several constraints, as safety improvements, fuel breeding and radioactive waste minimization. For this purpose, it seems promising to use Thorium Cycle in Molten Salt Reactors. Studies on this domain have already been carried out. However, the final concept suffered from serious issues and was discontinued. A new reflection on this topic is being led in order to find acceptable solutions, and to design the Thorium Molten Salt Reactor concept. A nuclear reactor is simulated by the coupling of a neutron transport code with a materials evolution code. This allows us to reproduce the reactor behavior and its evolution all along its operation. Thanks to this method, we have studied a large number of reactor configurations. We have evaluated their efficiency through a group of constraints they have to satisfy. This work leads us to a better understanding of many physical phenomena controlling the reactor behavior. As a consequence, several efficient configurations have been discovered, allowing the emergence of new points of view in the research of Molten Salt Reactors.
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https://tel.archives-ouvertes.fr/tel-00010791
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Submitted on : Thursday, October 27, 2005 - 9:28:35 AM
Last modification on : Thursday, November 19, 2020 - 12:58:51 PM
Long-term archiving on: : Friday, April 2, 2010 - 10:12:40 PM

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  • HAL Id : tel-00010791, version 1

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LPSC | CNRS | IN2P3 | GEPI | UGA

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Ludovic Mathieu. Cycle thorium et réacteurs à sel fondu. Exploration du champ des paramètres et des contraintes définissant le "Thorium Molten Salt Reactor". Physique Nucléaire Théorique [nucl-th]. Institut National Polytechnique de Grenoble - INPG, 2005. Français. ⟨tel-00010791⟩

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