Reliability analysis of the gasification process of nuclear fuel manufacturing facilities based on the GO methodology  

作　　者：Yan Wang Zhi-Jie Gu Bing Lian Jie Yang Yang-Jun Zhao 

机构地区：[1]Department of Nuclear Environmental Sciences, China Institute for Radiation Protection

出　　处：《Nuclear Science and Techniques》2019年第10期85-94,共10页核技术（英文）

摘　　要：Uranium hexafluoride(UF6)leakage accidents represent one of the most serious classes of accidents in the gasification process in nuclear fuel manufacturing facilities.Common UF6 leakage accidents include various fault conditions,such as pipeline and valve breakages or ruptures and pipeline blockages.By establishing goal-oriented(GO)operators that can represent multi-fault states,this study estimates the probabilities of various fault states corresponding to UF6 leakage accidents in the gasification process using the GO methodology and analyzes the system reliability.This article expands the scope of the GO methodology and provides technical support for reliability analysis using the GO methodology in multi-fault systems.Uranium hexafluoride（UF6） leakage accidents represent one of the most serious classes of accidents in the gasification process in nuclear fuel manufacturing facilities. Common UF6 leakage accidents include various fault conditions, such as pipeline and valve breakages or ruptures and pipeline blockages. By establishing goal-oriented（GO） operators that can represent multi-fault states, this study estimates the probabilities of various fault states corresponding to UF6 leakage accidents in the gasification process using the GO methodology and analyzes the system reliability. This article expands the scope of the GO methodology and provides technical support for reliability analysis using the GO methodology in multi-fault systems.

关 键 词：GO METHODOLOGY OPERATOR Multi-fault state Reliability analysis UF6 LEAKAGE 

分 类 号：TM1[电气工程—电工理论与新技术]