激光与光电子学进展, 2015, 52 (8): 081407, 网络出版: 2015-07-29   

惯性约束聚变激光装置片放系统任务可用性建模与分析

Mission-Availability Modelling and Analysis of Disk Amplifier System of Inertial Confinement Fusion Laser Facilities
作者单位
1 电子科技大学经济与管理学院, 四川 成都 610054
2 中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
摘要
在发次任务条件下稳态和瞬时可用度具有局限性,通过惯性约束聚变(ICF)激光装置任务可用度一般模型分析,提出完整的片放系统可用性评价方法.建立片放系统的多层可靠性框图,提出任意发次的威布尔型与指数型分布期望累积失效次数的相等关系,采用分层建模方法构建氙灯多种故障模式下的片放模块任务可用度模型以及冗余结构的片放系统任务可用度评价方法.利用实验数据,验证其有效性并得到国家点火装置(NIF)和神光(SG)装置片放系统任务可用度的稳定增长趋势,给出氙灯可靠性设计指标建议,为巨型ICF 激光装置可靠性工程设计优化提供理论和方法依据.
Abstract
Steady state and instantaneous availability have limitations in shot tasks.Based on a general model of mission-availability of inertial confinement fusion (ICF) facilities,a complete mission-availability model for disk amplifier system is proposed.A multilevel reliability block diagram is established.Equal relationship of expected accumulative failure number between Weibull distribution and exponential distribution is gained during each shot.Mission-availability model for disk amplifier modules with multi-failure modes of Xe-flash lamps and a method to evaluate mission-availability of the system with redundant modules are given successively by hierarchical modelling ideas.According to experimental data,the effectiveness of the method is verified and increasing trends of missionavailability of national ignition facility (NIF) and Shenguang (SG) facility are compared with each other,and then the suggested reliability index of Xe- flashlamps is obtained.The results provide designers a theoretical and methodological basis to optimize reliability design of the large ICF laser facilities.
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陈光宇, 李婧, 张小民, 郑万国, 刘雁冰, 申晨. 惯性约束聚变激光装置片放系统任务可用性建模与分析[J]. 激光与光电子学进展, 2015, 52(8): 081407. Chen Guangyu, Li Jing, Zhang Xiaomin, Zheng Wanguo, Liu Yanbin, Shen Chen. Mission-Availability Modelling and Analysis of Disk Amplifier System of Inertial Confinement Fusion Laser Facilities[J]. Laser & Optoelectronics Progress, 2015, 52(8): 081407.

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