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Fast simulation of alternating magnetic fields around a crack in a pipeline system using a dipole model method
Author(s) -
Le Minhhuy,
Kim Jungmin,
Vu Hoanghai,
Shin Kisu,
Lee Jinyi
Publication year - 2014
Publication title -
international journal of numerical modelling: electronic networks, devices and fields
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.249
H-Index - 30
eISSN - 1099-1204
pISSN - 0894-3370
DOI - 10.1002/jnm.1929
Subject(s) - bobbin , piping , pipeline (software) , dipole , alternating current , magnetic field , magnetic dipole , mechanics , acoustics , materials science , physics , mechanical engineering , engineering , electrical engineering , voltage , quantum mechanics
This study proposes a method for the fast simulation of the distribution of alternating magnetic fields around internal cracks as well as cracks on the inner and outer diameter surfaces of a pipe. This method, which uses a bobbin‐type magnetic camera to inspect cracks in small‐bore piping systems, is based on a dipole model, allowing for the rapid calculation and storage of data on the distribution of alternating magnetic fields around cracks from a sensor moving inside a pipe. Copyright © 2014 John Wiley & Sons, Ltd.

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