Superconducting Levitation: Applications to Bearings and Magnetic Transportation

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The dream of "antigrav" technology has haunted several generations of scientists and science fiction buffs alike, and while magnetic levitation (Mag-Lev) does not conform precisely to these visions, it does offer one of the most exciting capabilities demonstrated by superconducting materials. Yet, even among otherwise well-informed scientists and engineers, there is a general lack of understanding of the principles and technological requirements of Mag-Lev. This book discusses the basic physics and technology of active and passive superconducting bearings and Mag-Lev transportation. Special emphasis is given to the new high-temperature superconductors discovered in 1987 and to an understanding of the interplay of magnetics, mechanics, and dynamics necessary for Mag-Lev transportation. Author Francis C. Moon takes an empirical approach, relying more on experiment and phenomenology than formal theory. The presentation includes extensive figures and photos of Mag-Lev devices, including the German and Japanese Mag-Lev trains, as well as diagrams of proposed U.S. Mag-Lev designs. It is also the first book to summarize results of recent U.S. research studies aimed at regaining the lead in Mag-Lev technologies. The only book of its kind, Superconducting Levitation is intended to inform and inspire physicists, mechanical engineers, electrical engineers, and students. Professor Moon believes that a broader spectrum of research is required for a greater understanding of the physics of Mag-Lev. He also wants to encourage the creation of new devices based on the use of magnetic devices and superconductors.

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Contents

PREFACE
9
Superconducting Bearings
11
PRINCIPLES OF MAGNETICS
32
Copyright

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