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Holding characteristics of planar objects suspended by near-field acoustic levitation.

作者信息

Matsuo E, Koike Y, Nakamura K, Ueha S, Hashimoto Y

机构信息

Precision and Intelligence Laboratory, Tokyo Institute of Technology, Kanagawa, Japan.

出版信息

Ultrasonics. 2000 Mar;38(1-8):60-3. doi: 10.1016/s0041-624x(99)00046-3.

DOI:10.1016/s0041-624x(99)00046-3
PMID:10829629
Abstract

The authors have found the acoustic levitation phenomenon where planar objects of 10 kg weight can be levitated near a vibration surface. This phenomenon has been studied for non-contact transportation. A circular planar object can be suspended without contacting a circular vibration plate. We have studied the holding force which acts horizontally on the levitated objects. The horizontal position of the object is stabilized by this force. In this paper, we discuss the effect of the radius of a levitated object, levitation distance, displacement amplitude of the vibration plate and the vibration mode on the suspending force.

摘要

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