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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2016-12-27
Electromagnetic Levitation of Nonmagnetic Disc
By
Dariusz Spalek

    Prof. Dariusz Spalek

    Electrical Engineering

    Silesian University of Technology

    Poland

    Homepage

Progress In Electromagnetics Research M, Vol. 52, 201-213, 2016
doi:10.2528/PIERM16100801 | Google Scholar

Abstract
The paper presents analytical solution of nonmagnetic and conductive disc levitation problem. The alternating magnetic field exerts eddy currents in conductive disc and levitation force, subsequently. The electromagnetic field and eddy currents distributions are determined. The force acting upon nonmagnetic disc (Lorentz, Maxwell, coenergy methods) and power losses (Joule volume integral, Poynting surface integral methods) are evaluated. For example, levitation force and power losses versus field frequency are figured out. Additionally, an optimization task for power losses at constant disc volume is solved.
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Citation
Dariusz Spalek, "Electromagnetic Levitation of Nonmagnetic Disc," Progress In Electromagnetics Research M, Vol. 52, 201-213, 2016.
doi:10.2528/PIERM16100801
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