Study and Evaluation of Innovative Fuel Handling Systems for Sodium-Cooled Fast Reactors: Fuel Handling Route Optimization

The research for technological improvement and innovation in sodium-cooled fast reactor is a matter of concern in fuel handling systems in a view to perform a better load factor of the reactor thanks to a quicker fuelling/defueling process. An optimized fuel handling route will also limit its invest...

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Bibliographic Details
Published in:Science and technology of nuclear installations 2014-01, Vol.2014 (2014), p.1-14
Main Authors: Morcillo, Aurélien, Christin, Sébastien, Sanseigne, Emmanuel, Rodriguez, Gilles, Laffont, Guy, Morin, Franck, Dechelette, Franck, Mognot, Xavier
Format: Article
Language:English
Subjects:
Assembly
Chemical engineering
Chemical Sciences
Financing
Fuels
Handling
Investment
Optimization
Reactors
Sodium
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Summary:The research for technological improvement and innovation in sodium-cooled fast reactor is a matter of concern in fuel handling systems in a view to perform a better load factor of the reactor thanks to a quicker fuelling/defueling process. An optimized fuel handling route will also limit its investment cost. In that field, CEA has engaged some innovation study either of complete FHR or on the optimization of some specific components. This paper presents the study of three SFR fuel handling route fully described and compared to a reference FHR option. In those three FHR, two use a gas corridor to transfer spent and fresh fuel assembly and the third uses two casks with a sodium pot to evacuate and load an assembly in parallel. All of them are designed for the ASTRID reactor (1500 MWth) but can be extrapolated to power reactors and are compatible with the mutualisation of one FHS coupled with two reactors. These three concepts are then intercompared and evaluated with the reference FHR according to four criteria: performances, risk assessment, investment cost, and qualification time. This analysis reveals that the “mixed way” FHR presents interesting solutions mainly in terms of design simplicity and time reduction. Therefore its study will be pursued for ASTRID as an alternative option.
ISSN:1687-6075
1687-6083
DOI:10.1155/2014/254913