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基于红外热成像技术的聚乙烯管道裂纹缺陷无损检测

王文泉

王文泉. 基于红外热成像技术的聚乙烯管道裂纹缺陷无损检测[J]. 无损检测, 2017, 39(8): 29-33,56. DOI: 10.11973/wsjc201708007
引用本文: 王文泉. 基于红外热成像技术的聚乙烯管道裂纹缺陷无损检测[J]. 无损检测, 2017, 39(8): 29-33,56. DOI: 10.11973/wsjc201708007
WANG Wenquan. Nondestructive Testing of Crack of Polyethylene Pipe Joints Based on Infrared Thermal Imaging Technology[J]. Nondestructive Testing, 2017, 39(8): 29-33,56. DOI: 10.11973/wsjc201708007
Citation: WANG Wenquan. Nondestructive Testing of Crack of Polyethylene Pipe Joints Based on Infrared Thermal Imaging Technology[J]. Nondestructive Testing, 2017, 39(8): 29-33,56. DOI: 10.11973/wsjc201708007

基于红外热成像技术的聚乙烯管道裂纹缺陷无损检测

详细信息
    作者简介:

    王文泉(1982-),男,工程师,主要研究方向为特种设备检验及红外热成像无损检测

    通讯作者:

    王文泉, E-mail:75529432@qq.com

  • 中图分类号: TQ325.1+2;TN219;TG115.28

Nondestructive Testing of Crack of Polyethylene Pipe Joints Based on Infrared Thermal Imaging Technology

  • 摘要: 利用ANSYS有限元法模拟了内表面有裂纹缺陷的聚乙烯管在施加热空气时的红外无损检测过程,从而确定了表面温度分布与裂纹缺陷大小和位置之间的关系。为了验证ANSYS模拟管道内表面裂纹缺陷结果的正确性,搭建了空气加热热激励方式的主动红外热成像试验平台。试验结果和模拟结果基本吻合,说明有限元数值计算方法可以作为研究红外热成像技术的一种手段,为聚乙烯管道内部缺陷的红外检测技术提供数值模型。
    Abstract: The hot air infrared NDT process is simulated by the ANSYS finite element method (FEM) for inner surface cracks in polyethylene pipes. The relationships between the surface temperature distribution with the defect size and with the defect location are determined. In order to validate the FEM simulated results for pipeline defects, an active infrared thermal imaging experiment platform based on hot air heating excitation was built. The results showed that the experimental results were in good agreement with the simulated ones. It demonstrated that FEM method could be used to investigate infrared thermal imaging technology, and it also could provide a computational model for inner defect infrared detection technique.
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    [2] 邱旭,钟舜聪,朱志彬,等.聚乙烯管道缺陷的红外热成像模拟及实验研究[J].机电工程,2014,31(12):1513-1517.
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出版历程
  • 收稿日期:  2017-04-17
  • 刊出日期:  2017-08-09

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