A new approach for optimal design of Eddy Current Testing probes

被引：24

作者：

Chen Z. ^{[1
,2
]}

Miya K. ^{[1
]}

机构：

[1] Nuclear Eng. Research Laboratory, University of Tokyo, Naka-gun, Ibaraki 319-1106, 2-22 Shirakata-shirane, Tokai-mura

[2] Structure Safety Engineering Section, Oarai Engineering Center, PNC, Oarai, Ibaraki 311-1393

来源：

Journal of Nondestructive Evaluation | 1998年 / 17卷 / 3期

关键词：

ECT; Probe optimization; Simplified approach; Steam generator tubing;

D O I：

10.1023/A:1022664029447

中图分类号：

学科分类号：

摘要：

The optimal design of ECT probes for advanced nondestructive inspection of steam generator tubing in nuclear power plants is studied in this paper. A new approach for probe design is proposed, on basis of both a simplified detectability analysis method and a ring current model newly developed by the authors. The new approach is incorporated in the optimization of pick-up arrangements as well as the corresponding excitation coils. Two designs of a potential ECT probe which may show high performance in practical applications are proposed finally. In addition, the ring current model and the simplified detectability analysis method are validated further for a conducting tube by comparing the magnetic field perturbation due to a crack and the S/N ratios evaluated by the present method and an FEM-BEM hybrid code respectively. Consequently, the validity of the new design approach and the high performance of the new probe designs are assured. © 1998 Plenum Publishing Corporation.

引用

页码：105 / 116

页数：11

共 12 条

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