A planar eddy current probe based on fractal geometry

Guo Long Chen; Wei Min Zhang; Wei Han Pang; Feng Qin; Yan Guo

doi:10.15918/j.tbit1001-0645.2017.01.003

A planar eddy current probe based on fractal geometry

Guo Long Chen, Wei Min Zhang^*, Wei Han Pang, Feng Qin, Yan Guo

^*Corresponding author for this work

School of Mechatronical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

A Koch geometry curve exciting eddy current probe was proposed based on fractal geometry and self-similar structure equipment. The FEMs were simulated with COMSOL multi-physics software. And an experiment platform was built to validate the eddy current probe. Compared with the circular exciting coils, the Koch geometry curve exciting eddy current probe can induce higher partial eddy current density in conductor and improve the distribution pattern of eddy current so as to improve the sensitivity of eddy current probe for small defect. Experiments validate that, the planar Koch curve exciting eddy current probe is useful in flexibility eddy current probe and can supply detection data for the system SHM.

Original language	English
Pages (from-to)	10-14
Number of pages	5
Journal	Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology
Volume	37
Issue number	1
DOIs	https://doi.org/10.15918/j.tbit1001-0645.2017.01.003
Publication status	Published - 1 Jan 2017

Keywords

Defect testing
Eddy current probe
Fractal geometry
Koch curve

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10.15918/j.tbit1001-0645.2017.01.003

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abstract = "A Koch geometry curve exciting eddy current probe was proposed based on fractal geometry and self-similar structure equipment. The FEMs were simulated with COMSOL multi-physics software. And an experiment platform was built to validate the eddy current probe. Compared with the circular exciting coils, the Koch geometry curve exciting eddy current probe can induce higher partial eddy current density in conductor and improve the distribution pattern of eddy current so as to improve the sensitivity of eddy current probe for small defect. Experiments validate that, the planar Koch curve exciting eddy current probe is useful in flexibility eddy current probe and can supply detection data for the system SHM.",

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T1 - A planar eddy current probe based on fractal geometry

AU - Chen, Guo Long

AU - Zhang, Wei Min

AU - Pang, Wei Han

AU - Qin, Feng

AU - Guo, Yan

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N2 - A Koch geometry curve exciting eddy current probe was proposed based on fractal geometry and self-similar structure equipment. The FEMs were simulated with COMSOL multi-physics software. And an experiment platform was built to validate the eddy current probe. Compared with the circular exciting coils, the Koch geometry curve exciting eddy current probe can induce higher partial eddy current density in conductor and improve the distribution pattern of eddy current so as to improve the sensitivity of eddy current probe for small defect. Experiments validate that, the planar Koch curve exciting eddy current probe is useful in flexibility eddy current probe and can supply detection data for the system SHM.

AB - A Koch geometry curve exciting eddy current probe was proposed based on fractal geometry and self-similar structure equipment. The FEMs were simulated with COMSOL multi-physics software. And an experiment platform was built to validate the eddy current probe. Compared with the circular exciting coils, the Koch geometry curve exciting eddy current probe can induce higher partial eddy current density in conductor and improve the distribution pattern of eddy current so as to improve the sensitivity of eddy current probe for small defect. Experiments validate that, the planar Koch curve exciting eddy current probe is useful in flexibility eddy current probe and can supply detection data for the system SHM.

KW - Defect testing

KW - Eddy current probe

KW - Fractal geometry

KW - Koch curve

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A planar eddy current probe based on fractal geometry

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