SIMULATION OF MOTION OF AN ELECTROMAGNETICALLY LEVITATED SPHERE

This paper studies the vibrator vertical motion of a metallic sphere placed in a time-varying magnetic field. The magnetic field is produced by a set of coaxial loops carrying high-frequency electric currents. A mathematical model for the motion of the sphere is developed and examined via numerical...

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Bibliographic Details
Published in:Journal of sound and vibration 2001-05, Vol.242 (4), p.559-575
Main Authors: CIOCIRLAN, B.O., BEALE, D.G., OVERFELT, R.A.
Format: Article
Language:English
Subjects:
Applied sciences
Electrical engineering. Electrical power engineering
Exact sciences and technology
Magnetic levitation, propulsion and control devices
Miscellaneous
Various equipment and components
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Summary:This paper studies the vibrator vertical motion of a metallic sphere placed in a time-varying magnetic field. The magnetic field is produced by a set of coaxial loops carrying high-frequency electric currents. A mathematical model for the motion of the sphere is developed and examined via numerical simulations for various materials and magnetic field parameters. The contribution of this paper is the development of the levitation force as a function of the specimen velocity.
ISSN:0022-460X
1095-8568
DOI:10.1006/jsvi.2000.3377