Edge effects on forces and magnetic fields produced by a conductor moving past a magnet

Experiments were performed to further understand the forces acting on magnets moving near the edge of a conducting strip and to produce a data set for the validation of analysis methods. Mapping the magnetic field gives information about the eddy currents induced in the conductor which agrees with n...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1992-09, Vol.28 (5), p.3318-3320
Main Authors: Mulcahy, T.M., Hull, J.R., Almer, J.D., Rossing, T.D.
Format: Article
Language:English
Subjects:
Applied sciences
Conductors
Drag
Eddy currents
Electrical engineering. Electrical power engineering
Exact sciences and technology
Force measurement
Magnetic analysis
Magnetic levitation
Miscellaneous
Navigation
Strips
Superconducting magnets
Various equipment and components
Vehicles
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Summary:Experiments were performed to further understand the forces acting on magnets moving near the edge of a conducting strip and to produce a data set for the validation of analysis methods. Mapping the magnetic field gives information about the eddy currents induced in the conductor which agrees with numerical calculations. It is concluded that an FeBNd permanent magnet can be successfully used to study magnetic fields and forces near the edge of a conductor, in order to validate analytical methods for analyzing forces in a parallel-conductor maglev design. Agreement between the experimental results and those obtained by finite-element calculations using the ELECTRA computer code was acceptable.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.179796