Functional reliability analysis of a molten salt natural circulation system
Jiao, X; Shao, S; Wang, K; Yang, Q; He, Z; Chen, K
2018
发表期刊NUCLEAR ENGINEERING AND DESIGN
ISSN0029-5493
卷号332页码:127-136
文章类型期刊论文
摘要The functional reliability evaluation of a molten salt natural circulation system, the nitrate natural circulation loop, was performed. Improved procedures based on the RMPS were applied, considering all the uncertainties to avoid a mass of epistemic uncertainties for an innovative system and introducing a systematic sensitivity analysis process. The system was modeled using Relap5-MS. An uncertainty analysis package of molten salt fluid, named NCUAPackage, was developed to deal with the source correlation parameters and model uncertainties inside the code. 229 samples of 43 input uncertainty parameters were propagated through Relap5-MS. The result functional failure probability of is 0.039 including two failure modes. Sensitivity analysis screened out the most important parameters and revealed that the observables and input parameters follow good linear relationships. An important finding is that the model uncertainty of the heat coefficient of NDHX shell side contributes a lot to the failure probability. It is necessary to consider the model uncertainty for the design and reliability analysis.
关键词Prediction Heat Loop
DOI10.1016/j.nucengdes.2018.03.024
收录类别SCI
语种英语
WOS记录号WOS:000430395700013
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29027
专题中科院上海应用物理研究所2011-2018年
作者单位1.Jiao, X
2.Shao, S
3.Wang, K
4.Yang, Q
5.He, Z
6.Chen, K
推荐引用方式
GB/T 7714
Jiao, X,Shao, S,Wang, K,et al. Functional reliability analysis of a molten salt natural circulation system[J]. NUCLEAR ENGINEERING AND DESIGN,2018,332:127-136.
APA Jiao, X,Shao, S,Wang, K,Yang, Q,He, Z,&Chen, K.(2018).Functional reliability analysis of a molten salt natural circulation system.NUCLEAR ENGINEERING AND DESIGN,332,127-136.
MLA Jiao, X,et al."Functional reliability analysis of a molten salt natural circulation system".NUCLEAR ENGINEERING AND DESIGN 332(2018):127-136.
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