核电站关键部件在役检查可靠性分析

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基金项目:

中国广东核电集团纵向课题资助项目(CGNPC2006T090)

武汉大学博士研究生科研自主基金(20082080201000024)

Reliability Analysis of in-Service Inspection for Key Components in Nuclear Power Plants

1. College of Power and Mechanical Engineering, Wuhan University, Wuhan, 430072, China;
2. CGNPPC Inspection Technology CO., LTD., Suzhou, Jiangsu, 215004, China

摘要: 基于可靠性概率统计模型和超声检测数值模型,对在役检查的可靠性进行计算与分析。以核电厂反应堆压力容器环焊缝超声检测为例,计算不同检测参数下环焊缝中裂纹类缺陷及横孔的检出率曲线和95%置信下限。结果表明,可靠性分析方法的引入可以实现在役检查工艺方法及结果的定量评估。
- 核电站 /
- 在役检查 /
- 可靠性分析 /
- 检出率
Abstract: The reliability of in-service inspection was calculated and analyzed based on the probability model and ultrasonic testing numerical model.The POD curve and its 95% lower bound of different defects in girth weld of RPV were calculated.The result indicated that the reliability analysis could give a quantitative evaluation for in-service inspection.
- Nuclear power plant /
- In-service inspection /
- Reliability analysis /
- Probability of detection