Limits of spatial sensitivity in eddy current tomography of spindle-shaped elements

Roman Szewczyk

Abstract

Paper presents the analysis of spatial sensitivity of eddy current tomography of spindle-shaped elements made of constructional steel. Analysis was based on finite element magnetodynamic simulations utilizing open source software: NETGEN, ELMER FEM and OCTAVE. During the simulations, both location and diameter of the test cylindrical hole was changed to detect the edge of sensitivity of eddy current tomography. The results of simulations indicate, that for spindle-shaped elements with 30 mm diameter, cylindrical holes may be detected at the depth of about 4 mm. Moreover, changes of phase of signal from eddy current tomography devices are more significant than changes of amplitude.
Author Roman Szewczyk IMIB
Roman Szewczyk,,
- The Institute of Metrology and Biomedical Engineering
Pages285-290
Publication size in sheets0.5
Book Jabłoński Ryszard, Brezina Tomas (eds.): Advanced Mechatronics Solutions, Advances in Intelligent Systems and Computing, 2016, Springer, ISBN 978-3-319-23921-7, 668 p., DOI:10.1007/978-3-319-23923-1
Keywords in Englisheddy current tomography finite element method magnetodynamic simulations
DOIDOI:10.1007/978-3-319-23923-1_43
URL http://link.springer.com/chapter/10.1007/978-3-319-23923-1_43
Languageen angielski
Score (nominal)15
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