CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Analysis of minor actinides transmutation for a Molten Salt Fast Reactor
Yu, CG; Li, XX; Cai, XZ; Zou, CY; Ma, YW; Han, JL; Chen, JG; Chen, JG (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2015
Source PublicationANNALS OF NUCLEAR ENERGY
ISSN0306-4549
Volume85Pages:597—604
Subtype期刊文献
AbstractAs one of the six candidate reactors chosen by the Generation IV International Forum (GIF), Molten Salt Fast Reactor (MSFR) has many outstanding advantages and features for advanced nuclear fuel utilization. Effective transmutation of minor actinides (MA) could be attained in this kind of fast reactor, which is of importance in the future closed nuclear fuel cycle scenario. In this work, we attempt to study the MA transmutation capability in a MSFR with power of 500 MWth by analyzing the neutronics characteristics for different MA loadings. The calculated results show that MA loading plays an important role in the reactivity evolution of the MSFR. A larger MA loading is favorable to improving the MA transmutation performance and simultaneously to reducing the fissile consumption. When MA = 18.17 mol%, the transmutation fraction can achieve to about 95% on iso-breeding. We also find that although the fuel temperature coefficient (FTC) decreases with the increasing MA loading, it is still negative enough to keep the safety of the MSFR during the whole operation time. The MA contribution to the effective delayed neutron fraction (EDNF) and the intensity of spontaneous fission neutron (ISFN) are also analyzed. Also MA loading can affect the EDNF during the operation and the ISFN of the MSFR is dominated by (CM)-C-244. Finally, we analyze the effect of the core power on MA transmutation capability. The result shows that for all the operating powers the depletion ratio of MA to HN increases with time and reaches a maximum value. And additional MA should be fed into the fuel salt before the MA depletion ratio reaches the peak value to improve its transmutation capability. The net mass of the transmuted MA during the 50 years operation for 500 MWth is 5620 kg which is very close to that of 1000 MWth. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordFuel-cycle Physics
Indexed BySCI
Language英语
WOS IDWOS:000361413800065
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24862
Collection中科院上海应用物理研究所2011-2019年
Corresponding AuthorChen, JG (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Yu, CG,Li, XX,Cai, XZ,et al. Analysis of minor actinides transmutation for a Molten Salt Fast Reactor[J]. ANNALS OF NUCLEAR ENERGY,2015,85:597—604.
APA Yu, CG.,Li, XX.,Cai, XZ.,Zou, CY.,Ma, YW.,...&Chen, JG .(2015).Analysis of minor actinides transmutation for a Molten Salt Fast Reactor.ANNALS OF NUCLEAR ENERGY,85,597—604.
MLA Yu, CG,et al."Analysis of minor actinides transmutation for a Molten Salt Fast Reactor".ANNALS OF NUCLEAR ENERGY 85(2015):597—604.
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