Liquid Metal Free Surface Motion Submerged in an AC Magnetic Field

Kazuhiko Iwai; Shigeo Asai

doi:10.4028/www.scientific.net/MSF.561-565.1071

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HomeMaterials Science ForumMaterials Science Forum Vols. 561-565Liquid Metal Free Surface Motion Submerged in an...

Liquid Metal Free Surface Motion Submerged in an AC Magnetic Field

Abstract:

Free surface motion of a liquid metal submerged in an alternating magnetic field has been examined. A copper vessel filled with a liquid gallium is set in a coil for the imposition of the alternating magnetic field. The alternating magnetic field penetrates into a liquid gallium only from an upper free surface because thickness of the copper vessel is larger than the electromagnetic skin layer of copper. Time variation of displacement of the standing wave loop excited on the free surface is detected by a laser level sensor. The standing wave was suppressed not only by intensification of the magnetic field magnitude but also increase of the magnetic field frequency.

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Periodical:

Materials Science Forum (Volumes 561-565)

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1071-1074

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.561-565.1071

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Online since:

October 2007

Authors:

Kazuhiko Iwai, Shigeo Asai

Keywords:

Free Surface, Liquid Metal, Magnetic Field, Perturbation, Surface Wave

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