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Startup and burnup strategy for Th-U/U-Pu fuel cycles in an EM2 reactor
Ma, YW; Li, XX; Cai, XZ; Yu, CG; Zou, CY; Han, JL; Chen, JG; Chen, JG (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2015
Source PublicationPROGRESS IN NUCLEAR ENERGY
ISSN0149-1970
Volume85Pages:764—770
Subtype期刊文献
AbstractGeneral Atomics (GA) is developing the Energy Multiplier Module (EM2) which is a compact gas-cooled fast reactor as one of candidates of the Generation-IV nuclear energy systems. In the EM2 core, low enriched uranium is used as igniting fuel and depleted uranium is used for converting and burning. It indicates that EM2 can maintain critical operation for more than 30 years without refueling. To further study the Th-U fuel cycle performance in the EM2, two kinds of start-up strategies with Th-U (Th + U-233) and semi Th-U (Th + enriched U-235) are evaluated. Neutronics characteristics, such as the effective multiplicity factor (k(eff)) and conversion ratio (CR) are analyzed from neutron usage point of view. The simulated results for the two kinds of fuels are compared with the U-Pu fuel from the design of GA. The analysis gives an insight into the pros and cons of U-Pu and Th-U fuel cycles in terms of the breeding capability and the discharged radio-toxicity. The breeding performance of the second generation EM2 is also presented and compared with that of the first generation EM2. It indicates that the multi-generation EM2 can deepen the burnup and reduce the waste management pressure for each kind of fuel loading strategy. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordSmall Modular Reactors Nuclear-energy Uranium Fuel Thorium Technology Transmutation Economics Prospects Systems Designs
Language英语
WOS IDWOS:000363349100074
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25046
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorChen, JG (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Ma, YW,Li, XX,Cai, XZ,et al. Startup and burnup strategy for Th-U/U-Pu fuel cycles in an EM2 reactor[J]. PROGRESS IN NUCLEAR ENERGY,2015,85:764—770.
APA Ma, YW.,Li, XX.,Cai, XZ.,Yu, CG.,Zou, CY.,...&Chen, JG .(2015).Startup and burnup strategy for Th-U/U-Pu fuel cycles in an EM2 reactor.PROGRESS IN NUCLEAR ENERGY,85,764—770.
MLA Ma, YW,et al."Startup and burnup strategy for Th-U/U-Pu fuel cycles in an EM2 reactor".PROGRESS IN NUCLEAR ENERGY 85(2015):764—770.
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