Heat Transfer and Magnetovortical Antiresonance of a Ferrofluid with a Rotating Magnetic Field

被引：1
|
作者：
Siqueira, E. C. [1 ,2 ]
Seridonio, A. C. [2 ]
Fachini, F. F. [1 ]
机构：
[1] INPE, BR-12630000 Cachoeira Paulista, SP, Brazil
[2] Univ Estadual Paulista, UNESP, Dept Quim & Fis, BR-15385000 Ilha Solteira, SP, Brazil
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2013年 / 26卷 / 06期
关键词：
Ferrofluids; Magnetic nanoparticles; Heating rate; SUSCEPTIBILITY; FLUID;
D O I：
10.1007/s10948-012-1422-7
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigate theoretically a ferrofluid in the presence of a rotating magnetic field using a phenomenological approach based on a equation of motion for the magnetization. We verify that the heating rates of the system display a heat transfer between the host liquid and the magnetic nanoparticles (MNPs), with symmetric profiles dependent on the vorticity value. As a result, the total heating rate reveals a magnetovortical antiresonance and characterizes the suppression of the dissipation.
引用
收藏
页码：2333 / 2335
页数：3
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