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《Chinese Journal of Nuclear Science and Engineering》 2010-01
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The dynamic reliability analysis for the CEFR nuclear-cycle cooling water based on GO methodology

YANG Li-Fang,YANG Hong-Yi(China Institute of Atomic Energy,Beijing 102413,China)  
According to the CEFR nuclear-cycle cooling water system design and operating characteristics and based on the GO methodology,the input-output calculation formula of the operators which are suitable for the reliability analysis of the cooling water system of CEFR is constructed.The calculation models of dynamic analysis are developed,and the reliability characteristic quantities of three failure models are deduced with time.At the same time the system status transfer equation of work or spare operator in two parts is researched by the theory of Markov processes.With these models,the dynamic analysis is simulated with the system different work conditions,and the variety charts are presented.The results show that the average reliability of the cooling water system of CEFR is to 0.999 92.It is made out that its design and selection of equipment have high reliability.Typical dynamic analysis results indicate that the development models and software can be reasonably calculated system reliability changes with time in typical transient condition.Also the minimum cut sets are used for steady-state analysis.
【CateGory Index】: TL411
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