核电站关键部件超声检测计算分析系统

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Calculation and Analysis System for Ultrasonic Testing in Nuclear Power Plant

School of Power and Mechanical Engineering, Wuhan University, Wuhan, 430072, China

摘要: 针对核电站关键部件超声检测特点,基于瑞利积分、基尔霍夫近似、几何衍射和波恩近似等理论,建立了声场及声场与缺陷相互作用理论模型,开发出核电站关键部件超声检测计算分析系统(UT-CAS),并以安全端异种钢焊缝超声检测为例介绍了UT-CAS的应用。结果表明,UT-CAS能够快速、准确地模拟各种检测环境,实现工艺验证、辅助分析和人员培训等功能。
- 核电站 /
- 超声检测 /
- 计算分析系统
Abstract: The theoretical model of acoustic field calculation and interaction between field and defect is proposed based on Rayleigh Integration,Kirchhoff approximation,Geometrical theory of diffraction and Born approximation theory,and then the calculation and analysis system of ultrasonic testing（UT-CAS） is devel-oped for the inspection of the key components in nuclear power plants.The application of UT-CAS is intro-duced by the modeling of the safe end bi-metallic weld inspection.UT-CAS can quickly and accurately model various inspection cases,and is helpful for the data analysis,performance demonstration and NDT training.
- Nuclear power plant /
- Ultrasonic testing /
- Calculation and analysis system