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题名:
Dancoff factor analysis for pebble bed fluoride salt cooled high temperature reactor
作者: Qin, W; Yang, K; Chen, JE; Cai, XZ
刊名: PROGRESS IN NUCLEAR ENERGY
出版日期: 2016
卷号: 88, 期号:-, 页码:332—339
关键词: FUEL
DOI: 10.1016/j.pnucene.2016.01.019
通讯作者: Chen, JE ; Cai, XZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
文章类型: 期刊文献
英文摘要: In this work, an analytical expression based on a two-region spherical model for a High Temperature Gas cooled Reactor (HTGR), is applied to a Pebble Bed Fluoride salt cooled High temperature Reactor (PB-FHR) to calculate the average Dancoff factor for fuel kernel with various coated particle densities. The results are compared with those obtained by the Monte Carlo (MC) method. It is found that there is a good agreement between the analytical and MC, which implies that the two-region spherical model for the Dancoff factor calculation is applicable to PB-FHR. The Dancoff factors with and without FLiBe salt are both evaluated and compared to analyze the influence of FLiBe salt with different numbers of coated particles. The Dancoff factor with FLiBe salt is smaller than that without FLiBe salt from similar to 11% to similar to 3% when the number of coated particles in a fuel pebble increases from 5000 to 60,000. In addition, the effects of temperature and volume fraction of FLiBe salt on Dancoff factor are analyzed. Afterwards, the sensitivity of the infinite multiplication factor (k(infinity)) to the Dancoff factor for a fuel cell of PB-FHR is further analyzed by the neutron transport calculation with a new developed routine. It is found that the infinite multiplication factor increases almost linearly with the increase of Dancoff factor, and a higher density of coated particles will lead to a sharper variation of k(infinity), with Dancoff factor. (C) 2016 Elsevier Ltd. All rights reserved.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000372564400034
ISSN号: 0149-1970
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25676
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Qin, W,Yang, K,Chen, JE,et al. Dancoff factor analysis for pebble bed fluoride salt cooled high temperature reactor[J]. PROGRESS IN NUCLEAR ENERGY,2016-01-01,88(-):332—339.
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