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[1]张玉龙　侯荣国　王瑞　张苗苗　吕哲.基于超声相控阵技术的内壁腐蚀管道三维模型重构[J].油气储运,2023,42(12):1-7.
　ZHANG Yulong,HOU Rongguo,WANG Rui,et al.Three-dimensional model reconstruction of inner wall corrosion pipe based on ultrasonic phased array technology[J].Oil & Gas Storage and Transportation,2023,42(12):1-7.

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基于超声相控阵技术的内壁腐蚀管道三维模型重构

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 42 期数: 2023年12期页码: 1-7 栏目: 出版日期: 2023-12-25

Title:: Three-dimensional model reconstruction of inner wall corrosion pipe based on ultrasonic phased array technology

作者:: 张玉龙　侯荣国　王瑞　张苗苗　吕哲; 山东理工大学机械工程学院

Author(s):: ZHANG Yulong; HOU Rongguo; WANG Rui; ZHANG Miaomiao; LV Zhe

关键词:: 油气管道; 内壁腐蚀; 超声相控阵; 一维线阵; 点云数据; 缺陷精准化

Keywords:: ; oil and pipelines; inner wall corrosion; ultrasonic phased array; one-dimensional linear array; point cloud data; precision of defects

分类号:: TH878；TE88

文献标志码:: A

摘要:: 管道内壁腐蚀存在隐蔽性强、不易及时监测等问题，为了直观展现内腐蚀管道形貌、缺陷的体积及空间分布情况，提出了基于超声相控阵技术的内壁腐蚀管道三维模型重构方法。采用自主搭建的采集平台，通过控制相控阵一维线阵探头，利用反射后的回波信号获取腐蚀管道内、外径空间坐标，再利用插值法构建内、外径间的点云数据集，并使用分层扫描方式得到各断层的点云数据；采用数据处理、逆向模型重构及正向建模等方式，对所采集的点云数据进行三维模型重构。将重构的三维模型与Creaform三维激光扫描仪获取的点云数据进行对比，结果表明：基于超声相控阵技术利用一维线阵探头获取点云数据具有可行性，且所建三维模型及缺陷的误差小、精准化程度高，对油气管道安全评估具有重要的参考价值。

Abstract:: The corrosion of the inner wall of the pipeline has problems such as strong concealment and difficult timely monitoring. Once the leakage accident occurs, it will cause immeasurable casualties and property losses. In order to realize three-dimensional model reconstruction and defect characterization of corroded pipelines, based on ultrasonic phased array technology, a method was proposed to obtain point cloud data of corroded pipelines with one-dimensional linear array probes: A self-built experimental platform was used to control the phased array one-dimensional linear array probe, and the space coordinates of the inner and outer diameters of the corroded pipeline were obtained by using the reflected echo signal. The point cloud data set between the inner and outer diameters was constructed by interpolation method, and the point cloud data of each fault was obtained by hierarchical scanning method. Through the processing of point cloud data, reverse model reconstruction and forward modeling, the point cloud data obtained by 3D laser scanner is compared with the built model. The results show that it is feasible to obtain point cloud data by this method, and the established 3D model and defects have small errors and high accuracy, which has important reference value for the safety assessment of inner-wall corroded pipelines.

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更新日期/Last Update: 2023-10-17