|本期目录/Table of Contents|

[1]蔡亮学,张欢,刘琴,等.缺陷边界形态对超声内检测信号反演的影响分析*[J].中国安全生产科学技术,2025,21(11):41-48.[doi:10.11731/j.issn.1673-193x.2025.11.005]
　CAI Liangxue,ZHANG Huan,LIU Qin,et al.Analysis of the influence of defect boundary morphology on the inversion of ultrasonic in-line inspection signals[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2025,21(11):41-48.[doi:10.11731/j.issn.1673-193x.2025.11.005]
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缺陷边界形态对超声内检测信号反演的影响分析*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
21
期数:
2025年11期
页码:
41-48
栏目:
学术论著
出版日期:
2025-11-30

文章信息/Info

Title:
Analysis of the influence of defect boundary morphology on the inversion of ultrasonic in-line inspection signals
文章编号:
1673-193X(2025)-11-0041-08
作者:
蔡亮学; 张欢; 刘琴; 黄佳琪; 徐广丽
（1.西南石油大学 石油与天然气工程学院，四川 成都 610500；
2.油气消防四川省重点实验室，四川 成都 610500）
Author(s):
CAI Liangxue;  ZHANG Huan;  LIU Qin;  HUANG Jiaqi;  XU Guangli
（1.School of Petroleum and Natural Gas Engineering,Southwest Petroleum University,Chengdu Sichuan 610500,China;
2.Oil & Gas Fire Protection Key Laboratory of Sichuan Province,Chengdu Sichuan 610500,China）
关键词:
管道; 超声内检测; 体积型缺陷; 边界; 幅值比
Keywords:
pipeline;  ultrasonic in-line inspection;  volumetric defect;  boundary;  amplitude ratio
分类号:
TE973；X937
DOI:
10.11731/j.issn.1673-193x.2025.11.005
文献标志码:
A
摘要:
为分析超声内检测中不同形态的管道缺陷边界对回波信号反演的影响，通过超声内检测装置实验，获得具备不同边界形态的缺陷检测数据，进而对体积型管道外壁面缺陷的边界进行反演分析。研究探头不同空间姿态、平面边界和弧形边界的不同坡度、缺陷面积占探头圆形覆盖域比例等因素对回波波形的影响规律，建立不同边界形态下的回波幅值比与缺陷面积占比之间的关联曲线。研究结果表明：标准状态下的关联曲线呈单调递增趋势；缺陷边界形态的变化会导致关联曲线失去单调性，且弧形边界的影响显著高于平面边界。研究结果可为管道体积型缺陷的精确识别与量化分析提供参考。
Abstract:
In order to analyze the influence of different pipeline defect boundary morphologies on the inversion of echo signals in ultrasonic in-line inspection,experimental data for defects with varying boundary morphologies were obtained through tests using an ultrasonic in-line inspection device.Subsequently,an inversion analysis of the boundaries of volumetric defects on the external pipe wall was performed.This study investigated the influence of several factors on the echo waveform: the probe’s spatial orientation,the slope gradients of both planar and arc-shaped boundaries,and the ratio of the defect area to the probe’s circular coverage area.Correlation curves between the echo amplitude ratio and the defect area ratio were established for different boundary morphologies.The results indicate that the correlation curve under standard conditions exhibits a monotonically increasing trend.Changes in the defect boundary morphology cause the correlation curve to lose its monotonicity,with the influence of arc-shaped boundaries being significantly more pronounced than that of planar boundaries.The findings offer references for the accurate identification and quantitative analysis of volumetric defects in pipelines.

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备注/Memo

备注/Memo:
收稿日期： 2024-12-13
* 基金项目： 四川省自然科学基金项目（2025ZNSFSC0376，2023NSFSC0421）
作者简介： 蔡亮学，博士，讲师，主要研究方向为油气管道内检测技术、油田联合站智能化技术。
通信作者： 徐广丽，博士，副教授，主要研究方向为油气管道内检测技术、油气多相流动保障、非金属管道适用性评价。
更新日期/Last Update: 2025-12-03