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
发表期刊PROGRESS IN NUCLEAR ENERGY
ISSN0149-1970
卷号85页码:764—770
文章类型期刊文献
摘要General 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.
关键词Small Modular Reactors Nuclear-energy Uranium Fuel Thorium Technology Transmutation Economics Prospects Systems Designs
语种英语
WOS记录号WOS:000363349100074
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25046
专题中科院上海应用物理研究所2011-2018年
通讯作者Chen, JG (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
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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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