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Eddy‐current braking of a translating solid bar by a magnetic dipole
Author(s) -
Kirpo Maksims,
Boeck Thomas,
Thess Andrè
Publication year - 2010
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.201010249
Subject(s) - eddy current brake , bar (unit) , eddy current , magnetic dipole , magnetic field , physics , dipole , laplace's equation , laplace transform , mechanics , square (algebra) , lorentz transformation , boundary value problem , classical mechanics , mathematical analysis , mathematics , geometry , quantum mechanics , meteorology
The paper addresses the problem of a conducting rectangular bar of square cross‐section which is moving with constant velocity in the field of an arbitrarily oriented magnetic dipole. The braking Lorentz force on the bar is obtained by FEM and compared with the analytical solution for a moving infinite plate in the field of a magnetic dipole [2]. The computation of the induced currents requires solution of a Laplace equation with mixed boundary conditions for the electric potential inside the moving bar. (© 2010 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)