APPLICATION OF A PERTURBATION METHOD TO THE SOLUTION OF EDDY-CURRENT TESTING PROBLEMS

Authors
ANTIMIROV MY KOLYSHKIN AA VAILLANCOURT R
Citation
My. Antimirov et al., APPLICATION OF A PERTURBATION METHOD TO THE SOLUTION OF EDDY-CURRENT TESTING PROBLEMS, IEEE transactions on magnetics, 30(3), 1994, pp. 1247-1252
Citations number
14
Categorie Soggetti
Engineering, Eletrical & Electronic","Physics, Applied
Journal title
IEEE transactions on magnetics → ACNP
ISSN journal
00189464
Volume
30
Issue
3
Year of publication
1994
Pages
1247 - 1252
Database
ISI
SICI code
0018-9464(1994)30:3<1247:AOAPMT>2.0.ZU;2-S
Abstract
This paper presents an analytical solution for the change of the imped ance of a double conductor line due to eddy currents induced in presen ce of an infinitely long horizontal cylindrical flaw with vertically s ymmetric cross-section. The solution, found by a perturbation method, is applicable in the case' the conductivities of the flaw and of the s urrounding material do not differ by much. Numerical results for flaws of circular and elliptic cross-sections are presented.