Dynamics of magnetically levitated droplets

被引：39

作者：

Beaugnon, E ^{[1
]}

Fabregue, D ^{[1
]}

Billy, D ^{[1
]}

Nappa, J ^{[1
]}

Tournier, R ^{[1
]}

机构：

[1] CNRS, CRETA Cristallog, F-38042 Grenoble 9, France

来源：

PHYSICA B | 2001年 / 294卷

关键词：

magnetic levitation; free oscillations; non-coalescence;

D O I：

10.1016/S0921-4526(00)00750-X

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Liquid droplets are steadily levitated without any contact by the magnetic force exerted by a superconducting magnet. When a single levitated droplet is set in a particular vibration mode, the surface tension of the liquid can be derived from the measurement of the frequency. Magnetic forces may modify the equilibrium shape and the frequency, and numerical calculations are performed to evaluate this effect. When two droplets are injected into the levitation zone, the radial magnetic forces drive them together to the held axis. Frequent bounces are observed and first qualitative results from test experiments are presented to characterize the mechanism. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：715 / 720

页数：6

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