Dancoff factor analysis for pebble bed fluoride salt cooled high temperature reactor
Qin, W; Yang, K; Chen, JE; Cai, XZ; Cai, XZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2016
发表期刊PROGRESS IN NUCLEAR ENERGY
ISSN0149-1970
卷号88期号:-页码:332—339
文章类型期刊文献
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.
关键词Fuel
DOI10.1016/j.pnucene.2016.01.019
收录类别SCI
语种英语
WOS记录号WOS:000372564400034
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25676
专题中科院上海应用物理研究所2011-2018年
通讯作者Chen, JE; Cai, XZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
推荐引用方式
GB/T 7714
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,2016,88(-):332—339.
APA Qin, W,Yang, K,Chen, JE,Cai, XZ,&Cai, XZ .(2016).Dancoff factor analysis for pebble bed fluoride salt cooled high temperature reactor.PROGRESS IN NUCLEAR ENERGY,88(-),332—339.
MLA Qin, W,et al."Dancoff factor analysis for pebble bed fluoride salt cooled high temperature reactor".PROGRESS IN NUCLEAR ENERGY 88.-(2016):332—339.
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