Radionuclides in primary coolant of a fluoride salt-cooled high-temperature reactor during normal operation
Zhang, GQ; Wang, S; Zhang, HQ; Zhu, XW; Peng, C; Cai, J; He, ZZ; Chen, K
2017
发表期刊NUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
卷号28期号:3页码:-
文章类型期刊论文
摘要The release of fission products from coated particle fuel to primary coolant, as well as the activation of coolant and impurities, were analysed for a fluoride salt-cooled high-temperature reactor (FHR) system, and the activity of radionuclides accumulated in the coolant during normal operation was calculated. The release rate (release fraction per unit time) of fission products was calculated with STACY code, which is modelled mainly based on the Fick's law, while the activation of coolant and impurities was calculated with SCALE code. The accumulation of radionuclides in the coolant has been calculated with a simplified model, which is generally a time integration considering the generation and decay of radionuclides. The results show that activation products are the dominant gamma source in the primary coolant system during normal operation of the FHR while fission products become the dominant source after shutdown. In operation condition, health-impacts related nuclides such as H-3, and C-14 originate from the activation of lithium and coolant impurities including carbon, nitrogen, and oxygen. According to the calculated effective cross sections of neutron activation, Li-6 and N-14 are the dominant H-3 production source and C-14 production source, respectively. Considering the high production rate, H-3 and C-14 should be treated before being released to the environment.
DOI10.1007/s41365-017-0186-y
收录类别SCI
语种英语
WOS记录号WOS:000402894000015
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28791
专题中科院上海应用物理研究所2011-2018年
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GB/T 7714
Zhang, GQ,Wang, S,Zhang, HQ,et al. Radionuclides in primary coolant of a fluoride salt-cooled high-temperature reactor during normal operation[J]. NUCLEAR SCIENCE AND TECHNIQUES,2017,28(3):-.
APA Zhang, GQ.,Wang, S.,Zhang, HQ.,Zhu, XW.,Peng, C.,...&Chen, K.(2017).Radionuclides in primary coolant of a fluoride salt-cooled high-temperature reactor during normal operation.NUCLEAR SCIENCE AND TECHNIQUES,28(3),-.
MLA Zhang, GQ,et al."Radionuclides in primary coolant of a fluoride salt-cooled high-temperature reactor during normal operation".NUCLEAR SCIENCE AND TECHNIQUES 28.3(2017):-.
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