期刊
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS
卷 112, 期 1, 页码 173-177出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1063776110061160
关键词
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资金
- Russian Foundation for Basic Research [08-02-00802, 09-02-91070]
- ECONET [21394NH]
Heat generation by viscous dissipation in a dilute suspension of single-domain ferromagnetic particles in a rotating magnetic field is analyzed by assuming that the suspended particles have a high magnetic rigidity. The problem is solved by using a kinetic approach based on a rotational diffusion equation. Behavior of specific loss power (SLP) as a function of field strength H and frequency omega is examined at constant temperature. SLP increases as either of these parameters squared when the other is constant, eventually approaching a saturation value. The function SLP(H, omega) can be used to determine optimal and admissible ranges of magnetically induced heating.
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