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Development of a 3D electromagnetic model for eddy current tubing inspection. Application to steam generator tubing


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V. Maillot, G. Pichenot, D. Premel, T. Sollier,
Congrès QNDE 2003, Green Bay, Etats-Unis, 27 juillet-1er août 2003,
Rapport IRSN-DES/623

Résumé

In nuclear plants, the inspection of heat exchanger tubes is usually carried out by using eddy current nondestructive testing. A numerical model, based on a volume integral approach using the Green’s dyadic formalism, has been developed, with support from the French Institute for Radiological Protection and Nuclear Safety, to predict the response of an eddy current bobbin coil to 3D flaws located in the tube’s wall. With an aim of integrating this model into the NDE multi techniques platform CIVA, it has been validated with experimental data for 2D and 3D flaws.

 G. Pichenot1, D. Prémel1, T. Sollier1, V. Maillot2

1 C.E.A. Saclay, 91191 Gif-sur-Yvette, France

2 I.R.S.N, 92262 Fontenay-aux-Roses, France