Deterministic safety study of advanced molten salt nuclear systems for prospective nuclear power |
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Authors: | Igor Slessarev Pavel Bokov |
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Affiliation: | a DEN/DER/SPRC, CEA Cadarache, F-13108, St. Paul-lez-Durance, France;b DSM/DAPNIA/SPhN, CEA Saclay, F-91191, Gif-sur-Yvette, France |
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Abstract: | The inter-comparative analysis of the deterministic safety potential of innovative molten salt systems with critical and sub-critical cores is presented for both fast and thermal neutron spectra. The analysis includes two aspects: the choice of an initial level of sub-criticality and the study of multiple unprotected transients which have been simulated on the basis of one-point kinetics and two-point thermo-hydraulic schemes considering realistic feedback effects. Our preliminary results show that even small levels of sub-criticality (2–3 dollars) of cores can improve their safety characteristics significantly. |
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