中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Preliminary RAMI analysis of CRAFT cryogenic system

文献类型:期刊论文

作者Zong, Yiwen1,2; Zhang, Qiyong2; Zhou, Zhiwei2; Yang, Pengcheng1,2; Zhang, Chuanjia1,2; Chen, Shixiong1,2
刊名FUSION ENGINEERING AND DESIGN
出版日期2022-07-01
卷号180
关键词Cryogenic system Functional breakdown Reliability block diagram Inherent availability
ISSN号0920-3796
DOI10.1016/j.fusengdes.2022.113165
通讯作者Zhou, Zhiwei(zzw@ipp.ac.cn)
英文摘要The Comprehensive Research Facility for Fusion Technology (CRAFT) is a large scientific device in China's 13th Five-Year Plan. The RAMI (reliability, availability, maintainability, and inspectability) analysis method is used to control the technical risk of the CRAFT cryogenic system, which can better guarantee the stable operation of the CRAFT system. Functional breakdown is performed first to understand the functions of the CRAFT cryogenic system, and then IDEFo diagram is used to describe the hierarchical structure and relationship between each function in the cryogenic system.& nbsp;A preliminary RAMI analysis of 200W@4.5 K helium refrigerator system with the main function of DF1 was carried out. Failure mode, effect and criticality analysis was used to identify and evaluate the failure mode of 200 W helium refrigerator. A criticality chart of the failure mode was drawn based on the evaluation results. For the failure modes with medium and high risks in the initial criticality chart, there was no high risk after risk mitigation measures were taken.The logical basis of the reliability block diagram was obtained from the structural relationship between each function described in the IDEF0 diagram. Based on these logical structures, a reliability block diagram composed of components that implement basic functions was drawn. Input reliability data to calculate the reliability and inherent availability of the main function DF1.The results of Reliability block diagram analysis showed that the inherent availability can be greatly improved after taking improvement measures such as preparing spare parts to reduce the mean time to repair. Reliability was also greatly improved when measures such as regular inspection and maintenance were taken to reduce the failure rate.
资助项目Comprehensive Research Facility for Fusion Technology Program of China[2018-000052-73-01-001228]
WOS研究方向Nuclear Science & Technology
语种英语
WOS记录号WOS:000802729500007
出版者ELSEVIER SCIENCE SA
资助机构Comprehensive Research Facility for Fusion Technology Program of China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/131031]  
专题中国科学院合肥物质科学研究院
通讯作者Zhou, Zhiwei
作者单位1.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714
Zong, Yiwen,Zhang, Qiyong,Zhou, Zhiwei,et al. Preliminary RAMI analysis of CRAFT cryogenic system[J]. FUSION ENGINEERING AND DESIGN,2022,180.
APA Zong, Yiwen,Zhang, Qiyong,Zhou, Zhiwei,Yang, Pengcheng,Zhang, Chuanjia,&Chen, Shixiong.(2022).Preliminary RAMI analysis of CRAFT cryogenic system.FUSION ENGINEERING AND DESIGN,180.
MLA Zong, Yiwen,et al."Preliminary RAMI analysis of CRAFT cryogenic system".FUSION ENGINEERING AND DESIGN 180(2022).

入库方式: OAI收割

来源:合肥物质科学研究院

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