基于DDA检测技术的管道焊缝一次透照长度计算

详细信息

Length of one transillumination calculation in pipeline welds based on DDA detection method

1. Tianjin Special Equipment Inspection Institute, Tianjin 300192, China;
2. Key Laboratory of Digital Twin Generic Technology in Special Equipment for State Market Regulation, Tianjin 300192, China

摘要: 以数字探测器阵列（DDA）检测技术为研究对象，对压力管道数字射线检测中的纵缝透照、环焊缝中心透照、环焊缝源在外双壁单影透照、环焊缝源在内单壁单影透照的一次透照长度进行了推导计算，为压力管道焊缝的DDA检测提供理论和实践依据。
- DDA检测 /
- 一次透照长度 /
- 压力管道 /
- 焊缝检测
Abstract: Taking the digital detector array (DDA) detection technology as the research object, length of one transillumination of longitudinal seam transillumination, girth weld center transillumination, girth weld source external double-wall single shadow transillumination, girth weld source inside single wall single shadow transillumination in digital X-ray inspection of pressure pipeline were deduced and calculated, which provided a theoretical basis for the DDA detection of pressure pipeline welds.
- DDA detection /
- length of one transillumination /
- pressure pipeline /
- weld detection

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