Energy dissipation in a solid dispersion system of single-domain ferromagnetic particles under the action of a variable linearly polarized field

被引：2
|
作者：
Kashevskii B.E. [1 ]
Prokhorov I.V. [1 ]
机构：
[1] A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, Minsk, 220072
来源：
Journal of Engineering Physics and Thermophysics | 2004年 / 77卷 / 5期
关键词：
Magnetic Field; Anisotropy; Gamma Iron; Iron Oxide; Energy Dissipation;
D O I：
10.1023/B:JOEP.0000049531.29248.02
中图分类号：
学科分类号：
摘要：
The heat power released as a result of magnetic hysteresis in a system of small ferromagnetic particles suspended in a solid matrix acted upon by a linearly polarized magnetic field has been determined theoretically and experimentally. The calculations were done with the use of a model of noninteracting, uniformly magnetized particles with uniaxial anisotropy. Acicular particles of gamma iron oxide were used in the experiments. It is shown that the heat power released as a result of magnetic hysteresis may measure several megawatts per cubic meter, which makes it possible to use disperse magnetic systems as volumetric heaters. © 2004 Springer Science+Business Media, Inc.
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页码：911 / 916
页数：5
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