利用内线圈电磁检测钢管外侧缺陷的三维有限元分析

2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI:10.1109/CEFC-06.2006.1633049

Y. Gotoh, N. Takahashi

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引用次数: 7

摘要

钢管用于石油化工装置的换热器。由于这些钢管是成捆储存的，所以有必要从钢管内部检查钢管的外部缺陷。本文采用三维有限元法研究了用内线圈检测外壁缺陷的交流漏磁检测方法。结果表明，即使在存在冷却翅片的情况下，也可以对钢管的外侧缺陷进行检测

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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3D FEM Analysis of Electromagnetic Inspection of Outer Side Defects on Steel Tube using Inner Coil

The steel tube is used for heat exchanger in petrochemical plant. Since these steel tubes are stored as a bundle, it is necessary to inspect outer side defects on steel tubes from the inside of the tube. In this paper, the alternating flux leakage testing method using inner coil for detecting outer side defects is examined using 3-D FEM. It is shown that the inspection of outer side defect on steel tube is possible even in the case when there exists the cooling fin

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2006 12th Biennial IEEE Conference on Electromagnetic Field Computation

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