The Change in Impedance of a Coil above a Plate with a Flaw

Latest Trends in Applied and Theoretical Mechanics: Proceedings of the 10th International Conference on Applied and Theoretical Mechanics (MECHANICS '14) 2014
Valentīna Koliškina

In the present paper we consider a coil with alternating current located above a conducting plate with a cylindrical flaw. The axis of the coil coincides with the axis of the flaw. The problem is solved by the method of separation of variables under the assumption that the vector potential is equal to zero at a sufficiently large distance from the axis of the coil. The formula for the induced change in impedance of the coil is obtained. Results of numerical calculations are presented for different values of the parameters of the problem. The method of solution described in the paper can be applied to other axisymmetric flaws.

Keywords
Change in impedance, separation of variables, eigenvalues, eddy current testing
Hyperlink
http://www.wseas.us/e-library/conferences/2014/Salerno/MECH/MECH-04.pdf

Koliškina, V. The Change in Impedance of a Coil above a Plate with a Flaw. In: Latest Trends in Applied and Theoretical Mechanics: Proceedings of the 10th International Conference on Applied and Theoretical Mechanics (MECHANICS '14), Italy, Salerno, 3-5 June, 2014. Salerno: WSEAS Press, 2014, pp.42-46. ISBN 978-960-474-377-3. ISSN 2227-4588.

Publication language
English (en)