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Multi-Frequency ECT for a Multi-Coils System using 3D FEM Simulations of FBR SG Tubes Covered by Sodium
Ovidiu Mihalache, Toshihiko Yamaguchi, Masashi Ueda
9 - 17
10.3233/978-1-61499-639-2-9
Studies in Applied Electromagnetics and Mechanics
Volume 41: Electromagnetic Nondestructive Evaluation (XIX)
Abstract

New dynamic window multi-frequency algorithms are investigated to be used with signals from multi-coils remote-field eddy current (ECT) system in order to suppress tube support plate signal in steam generator tubes of fast breeder reactors (FBR) and enhance outer tube defect signal/noise ratio. The applicability of the method is confirmed using three dimensional FEM simulations to assess the ECT signal variations due to sodium accumulated inside of defects volume.

$35.00 / €27.50 / £22.00
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