Control of a magnetizable body in a magnetic fluid droplet by the tilt of an external uniform magnetic field

被引：0
|
作者：
Vinogradova, A. S. [1 ]
Sogomonyan, K. L. [2 ]
Sharova, O. A. [1 ,2 ]
Pelevina, D. A. [1 ,2 ]
Naletova, V. A. [1 ]
机构：
[1] Lomonosov Moscow State Univ, Inst Mech, 1 Michurinskij prospekt, Moscow 119192, Russia
[2] Lomonosov Moscow State Univ, Fac Mech & Math, 1 Leninskie Gory, Moscow 119991, Russia
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2024年 / 591卷
基金：
俄罗斯科学基金会;
关键词：
Magnetic fluid; Droplet control; Magnetizable body; Levitation; Uniform magnetic field; Microfluidics; LEVITATION; MANIPULATION;
D O I：
10.1016/j.jmmm.2024.171757
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We examine how the position of a magnetizable body in a magnetic fluid droplet resting on a horizontal plane can be controlled by the tilt of an external uniform magnetic field. The paper presents experiments that demonstrate the levitation of the body in a drop and uses an analytical model in which the results are obtained numerically. The impact of problem parameters, such as intensity, direction of the magnetic field, and drop volume, on the levitation height of the body is studied both theoretically and experimentally. It is discovered that there is a set of parameter values required to levitate the body. Theoretical results are in qualitative agreement with the experimentally observed levitation heights.
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页数：12
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