考虑冲击的核动力装置温贮备系统可靠性模型

doi:10.12305/j.issn.1001-506X.2021.07.33

系统工程与电子技术 ›› 2021, Vol. 43 ›› Issue (7): 2005-2010.doi: 10.12305/j.issn.1001-506X.2021.07.33

考虑冲击的核动力装置温贮备系统可靠性模型

张永发, 蒋立志*, 焦猛, 蔡琦

海军工程大学核科学技术学院, 湖北武汉 430033

收稿日期:2020-04-20 出版日期:2021-06-30 发布日期:2021-07-08
通讯作者: 蒋立志
作者简介:张永发(1982—), 男, 讲师, 博士, 主要研究方向为舰船核动力安全评价与技术保障、系统可靠性评价|蒋立志(1989—), 男, 讲师, 博士, 主要研究方向为舰船核动力维修工程、系统可靠性评价|焦猛(1996—), 男, 硕士研究生, 主要方向为舰船核动力维修工程、系统可靠性评价|蔡琦(1962—), 男, 教授, 博士, 主要研究方向为舰船核动力维修工程、系统可靠性评价
基金资助:
武器装备军内科研项目(HJ20182A060185)

Reliability model of nuclear power plant warm standby systemconsidering shocks

Yongfa ZHANG, Lizhi JIANG*, Meng JIAO, Qi CAI

College of Nuclear Science and Technology, Naval University of Engineering, Wuhan 430033, China

Received:2020-04-20 Online:2021-06-30 Published:2021-07-08
Contact: Lizhi JIANG

摘要/Abstract

摘要：

针对核动力装置中存在由于冲击导致系统故障的情况, 以温贮备系统为研究对象, 假设工作部件会受到退化与冲击的影响, 而贮备部件仅会受到冲击的影响, 基于Phase-type分布描述寿命、维修时间等随机变量, 建立了考虑冲击的核动力装置温贮备系统可靠性模型, 并推导出相关可靠性指标的解析表达式。以核动力装置冗余泵组为对象开展算例验证, 分析了贮备部件数量对系统可靠性指标的影响。结果表明，在可靠性设计中，可优化确定贮备部件数量，以最低的成本获得所需的可靠性指标要求。

关键词: 核动力装置, Phase-type分布, 温贮备系统, 冗余泵组

Abstract:

In view of the system failure caused by shocks in nuclear power plant, the warm standby system is taken as the research object. Assuming that the working parts will be affected by degradation and shocks, while the standby components will only be affected by the shocks. Based on the Phase-type distribution, the life and the maintenance time of the system are described. And then the reliability model of the warm standby system of nuclear power plant considering the shocks is established. Meanwhile the analytic expressions of the related reliability indexes are derived. Finally, taking the redundant pump set of nuclear power plant as an example, the influence of the number of spare parts on the system reliability index is analyzed. The results show that the number of the spare parts can be optimized and the required reliability index can be obtained at the lowest cost.

Key words: nuclear power plant, Phase-type distribution, warm standby system, redundant pump set

中图分类号:

TL38

张永发, 蒋立志, 焦猛, 蔡琦. 考虑冲击的核动力装置温贮备系统可靠性模型[J]. 系统工程与电子技术, 2021, 43(7): 2005-2010.

Yongfa ZHANG, Lizhi JIANG, Meng JIAO, Qi CAI. Reliability model of nuclear power plant warm standby systemconsidering shocks[J]. Systems Engineering and Electronics, 2021, 43(7): 2005-2010.

图/表 3

参考文献 32

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考虑冲击的核动力装置温贮备系统可靠性模型

Reliability model of nuclear power plant warm standby systemconsidering shocks

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