The leading US magnetically levitating (MAGLEV) system, invented in 1970 by Kolm and fellow MIT researcher Richard Thornton, works on the simple physical principle that like magnetic poles repel each other. That same repulsion can be induced by passing a powerful magnet over a conductor, since a magnet in motion creates a mirror image of itself on appropriate surfaces. (Thus an aluminum disk that is set spinning, parallel to the floor will lift or levitate a magnet some distance above the disk surface.) A MAGLEV system under consideration in Florida applies this principle to 100 passenger magneplanes that resemble the fuselages of small jets. A magneplane has three superconducting magnets strapped to its underside. As it travels through a special aluminum trough, it achieves electromagnetic flight by inducing lift that keeps it suspended about a foot above the track.
All aboard for the future express (magnetically levitating trains)
Schienenfahrzeuge der Zukunft (Magnetschwebebahn)
Signal ; 42 , 9 ; 69-72
1988
4 Seiten
Aufsatz (Zeitschrift)
Englisch
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