Numerical analysis of the activity of irradiated alloy-N in an FHR
Peng, C; Zhu, XW; Zhang, GQ; He, ZZ; Chen, K; Chen, K (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2016
发表期刊NUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
卷号27期号:2页码:
文章类型期刊文献
摘要The fluoride salt-cooled high-temperature reactor (FHR) uses molten FLiBe salt as the coolant, which introduces a corrosive effect on the alloy-N structure material. Fission neutrons activate the corroded alloy-N, along with alloy-N structures inside the reactor vessel. The activation products of the alloy-N have a big impact on radiation protection during operation, maintenance, and decommissioning of the reactor. We have constructed a SCALE 6.1 model for the core of a typical 10 MWth FHR and analyzed the activity of each constituent of the irradiated alloy-N. The results show that the activity is predominantly due to short-lived Al-28, Co-60m, Mn-56, Ti-51, and V-52, as well as long-lived Co-60, Cr-51, Fe-55, Fe-59, and Mn-54. Furthermore, because of their relatively long half-life and high-energy gamma-rays emissions, Co-60 and Mn-54 are the major contributors to the radiation source terms introduced by alloy-N activation. The yield of Co-60 and Mn-54 per unit mass of alloy-N under the current core design is 5.58 x 10(5) and 1.55 x 10(3) Bq MWd(-1) g(-1), respectively. The results of this paper, combined with future corrosion studies, may provide a basis for evaluating long-term radiation source terms of the primary loop salt and components.
DOI10.1007/s41365-016-0044-3
收录类别SCI
语种英语
WOS记录号WOS:000376333000023
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25788
专题中科院上海应用物理研究所2011-2018年
通讯作者Chen, K (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
推荐引用方式
GB/T 7714
Peng, C,Zhu, XW,Zhang, GQ,et al. Numerical analysis of the activity of irradiated alloy-N in an FHR[J]. NUCLEAR SCIENCE AND TECHNIQUES,2016,27(2):—.
APA Peng, C,Zhu, XW,Zhang, GQ,He, ZZ,Chen, K,&Chen, K .(2016).Numerical analysis of the activity of irradiated alloy-N in an FHR.NUCLEAR SCIENCE AND TECHNIQUES,27(2),—.
MLA Peng, C,et al."Numerical analysis of the activity of irradiated alloy-N in an FHR".NUCLEAR SCIENCE AND TECHNIQUES 27.2(2016):—.
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