|本期目录/Table of Contents|

[1]杜鑫宇,刘少胡,李欢.基于热成像技术的柔性压裂管非金属段缺陷检测方法研究*[J].中国安全生产科学技术,2025,21(11):68-74.[doi:10.11731/j.issn.1673-193x.2025.11.008]
　DU Xinyu,LIU Shaohu,LI Huan.Research on defect detection method for non-metallic sections of flexible fracturing pipes based on thermal imaging technology[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2025,21(11):68-74.[doi:10.11731/j.issn.1673-193x.2025.11.008]
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基于热成像技术的柔性压裂管非金属段缺陷检测方法研究*

《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:
68-74
栏目:
职业安全卫生管理与技术
出版日期:
2025-11-30

文章信息/Info

Title:
Research on defect detection method for non-metallic sections of flexible fracturing pipes based on thermal imaging technology
文章编号:
1673-193X(2025)-11-0068-07
作者:
杜鑫宇; 刘少胡; 李欢
(1.长江大学 机械工程学院，湖北 荆州 434023；
2.低碳催化与二氧化碳利用全国重点实验室，湖北 武汉 430199)
Author(s):
DU Xinyu;  LIU Shaohu;  LI Huan
(1.School of Mechanical Engineering,Yangtze University,Jingzhou Hubei 434023,China;
2.State Key Laboratory of Low Carbon Catalysis and Carbon Dioxide Utilization,Wuhan Hubei 430199,China)
关键词:
柔性压裂管; 热成像技术; 缺陷; 温差峰值
Keywords:
flexible fracturing pipe;  thermography technology;  defects;  thermal excitation
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2025.11.008
文献标志码:
A
摘要:
为了攻克柔性压裂管非金属段缺陷检测技术难题，提出1种基于热成像技术的缺陷检测方法。该方法通过识别缺陷区域与完好区域之间温差峰值，实现对不同缺陷类型深度与截面大小的定量判定。采用非线性曲线拟合对数据进行处理，得到3类缺陷深度与温差峰值、缺陷截面大小与温差峰值之间数学关系式。研究结果表明：相较于其他检测方法，在测量精度上受内部流体温度变化影响较为明显；所拟合的关系式具有较高拟合优度，能够有效识别缺陷具体尺寸与位置。研究结果可为柔性压裂管缺陷检测提供参考。
Abstract:
In order to address the technical challenge of defect detection in the non-metallic sections of flexible fracturing pipes,a detection method based on thermal imaging technology is proposed.This method achieves quantitative determination of defect depth and cross-sectional size for different defect types by identifying the peak temperature difference between defect regions and intact regions.Non-linear curve fitting is applied to process the data,deriving mathematical relationships between defect depths of three defect categories and peak temperature difference,and between defect cross-sectional sizes and peak temperature difference.The results indicate that,compared to other detection methods,the measurement accuracy of the proposed approach is markedly affected by variations in internal fluid temperature.The fitted relationships exhibit a high goodness-of-fit and can effectively identify the specific size and location of defects.The findings provide references for defect detection in flexible fracturing pipes.

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备注/Memo

备注/Memo:
收稿日期： 2025-08-01
* 基金项目： 国家自然科学基金项目(52374002，51974036)；湖北省高等学校优秀中青年科技创新团队计划项目(T2021035)；湖北省教育厅科学研究计划重点项目(D20231303)
作者简介： 杜鑫宇，硕士研究生，主要研究方向为管道缺陷检测。
通信作者： 刘少胡，博士，教授，主要研究方向为先进油气钻采技术及装备教学。
更新日期/Last Update: 2025-12-03