Experimental study on stabilizing range extension of diamagnetic levitation under modulated magnetic field

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)22_Publication in policy or professional journal

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Detail(s)

Original languageEnglish
Article number32013
Journal / PublicationJournal of Physics: Conference Series
Volume200
Issue numberSECTION 3
Publication statusPublished - 2010

Conference

TitleInternational Conference on Magnetism, ICM 2009
PlaceGermany
CityKarlsruhe
Period26 - 31 July 2009

Abstract

The real energy-free levitation exists with the help of diamagnetic material. Its ultra-high sensitivity to force is particularly attractive to micro/nano force sensing. A key parameter: Levitation Stabilizing Local Range, LR (allowable moving range of the floater) is critical to the load and self-rotating performance. Besides, larger LR reduces the energy loss due to the eddy current and has greater application potential. Recently, an idea of extending the LR by a modulating coil array has been validated using numerical simulation. This paper takes the next move to carry out an experimental study on the shape effect of stacked coil arrays with different currents on LR. © 2010 IOP Publishing Ltd.