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Energy Dissipation in a Solid Dispersion System of Single‐Domain Ferromagnetic Particles under the Action of a Variable Linearly Polarized Field

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Journal of Engineering Physics and Thermophysics Aims and scope

Abstract

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.

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References

  1. L. D. Landau and E. M. Lifshits, Electrodynamics of Continua [in Russian], Nauka, Moscow (1982).

  2. S. V. Vonsovskii, Magnetism [in Russian], Nauka, Moscow (1971). 916

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Authors and Affiliations

  1. A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15 P. Brovka Str., Minsk, 220072, Belarus

    B. É. Kashevskii & I. V. Prokhorov

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  1. B. É. Kashevskii
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  2. I. V. Prokhorov
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Kashevskii, B.É., Prokhorov, I.V. Energy Dissipation in a Solid Dispersion System of Single‐Domain Ferromagnetic Particles under the Action of a Variable Linearly Polarized Field. Journal of Engineering Physics and Thermophysics 77, 911–916 (2004). https://doi.org/10.1023/B:JOEP.0000049531.29248.02

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  • DOI: https://doi.org/10.1023/B:JOEP.0000049531.29248.02

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