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Neutronics physics analysis of a large fluoride-salt-cooled solid-fuel fast reactor with Th-based fuel
Peng, Y; Zhu, GF; Zou, Y; Liu, SJ; Xu, HJ
2017
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume28Issue:11Pages:-
Subtype期刊论文
AbstractFast reactors based on thorium fuel have enhanced inherent safety. Fluoride salt performs well as a coolant in high-temperature nuclear systems. In this paper, we present a reference core for a large fluoride-salt-cooled solid-fuel fast reactor (LSFR) using thorium-uranium fuel cycle. Neutronics physics of the LSFR reference core is investigated with 2D and 3D in-core fuel management strategy. The design parameters analyzed include the fuel volume fraction, power density level and continuous removal of fission products with 3D fuel shuffling that obtains better equilibrium core performance than 2D shuffling. A self-sustained core is achieved for all cases, and the core of 60% fuel volume fraction at 50 MW/m(3) power density is of the best breeding performance (average breeding ratio 1.134). The LSFR core based on thorium fuel is advantageous in its high discharge burn-up of 20-30% fissions per initial heavy metal atom, small reactivity swing over the whole lifetime (to simplify the reactivity control system), the negative reactivity temperature coefficient (intrinsically safe for all cases) and accepted cladding peak radiation damage. The LSFR reactor is a good alternative option for the deployment of a self-sustained thorium-based nuclear system.
KeywordMolten-salt Thorium Performance
DOI10.1007/s41365-017-0321-9
WOS KeywordMOLTEN-SALT ; THORIUM ; PERFORMANCE
Indexed BySCI
Language英语
WOS IDWOS:000417222800005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28746
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Peng, Y,Zhu, GF,Zou, Y,et al. Neutronics physics analysis of a large fluoride-salt-cooled solid-fuel fast reactor with Th-based fuel[J]. NUCLEAR SCIENCE AND TECHNIQUES,2017,28(11):-.
APA Peng, Y,Zhu, GF,Zou, Y,Liu, SJ,&Xu, HJ.(2017).Neutronics physics analysis of a large fluoride-salt-cooled solid-fuel fast reactor with Th-based fuel.NUCLEAR SCIENCE AND TECHNIQUES,28(11),-.
MLA Peng, Y,et al."Neutronics physics analysis of a large fluoride-salt-cooled solid-fuel fast reactor with Th-based fuel".NUCLEAR SCIENCE AND TECHNIQUES 28.11(2017):-.
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