Sensitivity maps in three-dimensional magnetic induction tomography

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30 Citations (Scopus)

Abstract

Magnetic induction tomography (MIT) attempts to image the electromagnetic characteristics of air object by measuring the mutual inductances between pairs of coils placed around its periphery. MIT is a multiple coil eddy current testing method, so the technique developed in conventional MIT systems can easily be adapted for general eddy current NDT For the image reconstruction in MIT one needs to solve the forward problem as well as the sensitivity maps. In this paper we present three-dimensional sensitivity maps for permeability and conductivity, calculated based on an edge-based finite element software developed for MIT image reconstruction. The differences between sensitivity maps for conductivity and permeability have been studied. The sensitivity maps presented in this paper are the fundamental bases for the image reconstruction in MIT.
Original languageEnglish
Pages (from-to)39-44
Number of pages6
JournalInsight: Non-Destructive Testing and Condition Monitoring
Volume48
Issue number1
Publication statusPublished - 2006

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