Numerical simulation and design of a fluxset sensor by finite element method

被引：5
|
作者：
Preis, K
Bardi, I
Biro, O
Richter, KR
Pavo, J
Gasparics, A
Ticar, I
机构：
[1] Graz Tech Univ, A-8010 Graz, Austria
[2] Tech Univ Budapest, H-1111 Budapest, Hungary
[3] Res Inst Mat Sci, H-1525 Budapest, Hungary
[4] Univ Maribor, Maribor 62000, Slovenia
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1998年 / 34卷 / 05期
关键词：
eddy current testing; finite element methods; detectors; fluxset sensor;
D O I：
10.1109/20.717819
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A 3D model of a fluxset sensor serving to measure magnetic fields arising in Eddy Current Nondestructive Testing applications is analyzed by the finite element method. The voltage induced in the pick-up coil is obtained by computing the flux of the core of the sensor for several values of the exciting current at various external fields. It is shown that the time shift of the ensuing voltage impulse depends linearly on the external field in a wide range. The behavior of the sensor is furthermore simulated in a real nondestructive testing arrangement consisting of an exciting coil located above a conducting plate with a crack.
引用
收藏
页码：3475 / 3478
页数：4
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