DocumentCode
1228686
Title
Generalization of the Ideal Crack Model for an Arrayed Eddy Current Sensor
Author
Zaoui, A. ; Menana, H. ; Feliachi, M. ; Abdellah, M.
Volume
44
Issue
6
fYear
2008
fDate
6/1/2008 12:00:00 AM
Firstpage
1638
Lastpage
1641
Abstract
The ideal crack model is generalized to an arrayed eddy current sensor with the assumption that its coils are connected in series and fed by a current source. We associate the superposition theorem to the reciprocity theorem to reduce the 3-D electromagnetic problem to a 2-D axisymmetrical one, combined with the evaluation of an integral equation. We derive the formula that permits the evaluation of the impedance variation of each coil, taking account of the interaction between the coils.
Keywords
crack detection; eddy current testing; electric sensing devices; finite element analysis; integral equations; 2-D axisymmetrical electromagnetic problem; 3-D electromagnetic problem; 3-D finite element simulation; arrayed eddy current sensor; ideal crack model; integral equation; nondestructive testing; reciprocity theorem; superposition theorem; Arrayed eddy current sensor; generalized ideal crack model; reciprocity theorem; superposition;
fLanguage
English
Journal_Title
Magnetics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9464
Type
jour
DOI
10.1109/TMAG.2007.914846
Filename
4527031
Link To Document