核电站管道缺陷涡流定量检测的可靠性分析

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Reliability Analysis on Eddy Tube-Defects Quantitative Detection in Nuclear Power Plants

1. Key Laboratory of Digital Manufacturing Technology and Application, The Ministry of Education, Lanzhou University of Technology, Lanzhou, 730050, China;
2. School of Mechanical and Electronical Engineering, Lanzhou University of Technology, Lanzhou, 730050, China;
3. Research Institute of Nuclear Power Operation, Wuhan, 430074, China

摘要: 将有限元分析方法用于涡流定量检测的可靠性研究,通过对核电站大量管道信号的计算和分析,获得了管道缺陷在不同深度和宽度条件下的定量偏差范围和定性关系,证明了可靠性定量分析在缺陷宽度很小时具有更大的实用性,从而提高涡流检测的效果与精度。
- 涡流检测 /
- 有限元方法 /
- 定量检测 /
- 可靠性
Abstract: Finite element method is used in the reliability analysis on the quantitative detection of ECT （eddy current test）, and based on the calculation and analysis of of the tube signals in nuclear power plants, the quantitative excursion of tube defects and qualitative relations under different depth and width conditions are obtained, which proved that reliability analysis is more practical when the width of the tube defects is very small, and the efficiency and precision of ECT can be improved.
- Eddy current test /
- Finite element method /
- Quantitative detection /
- Reliability