The influence of a rotating magnetic field on the thermal effect in magnetic fluid

被引：20
作者：
Skumiel, Andrzej [1 ]
Kopcansky, Peter [2 ]
Timko, Milan [2 ]
Molcan, Matus [2 ]
Paulovicova, Katarina [2 ]
Wojciechowski, Rafal [3 ]
机构：
[1] Adam Mickiewicz Univ, Fac Phys, Uniwersytetu Poznanskiego 2, PL-61614 Poznan, Poland
[2] Slovak Acad Sci, Inst Expt Phys, Watsonova 47, Kosice 04001, Slovakia
[3] Poznan Univ Tech, Fac Control Robot & Elect Engn, Piotrowo 3A, PL-60965 Poznan, Poland
来源：
INTERNATIONAL JOURNAL OF THERMAL SCIENCES | 2022年 / 171卷
关键词：
Rotating magnetic field; Alternating magnetic field; Magnetic fluid; Thermal effect; Specific loss power; TRANSFORMER OIL; NANOPARTICLES; HYPERTHERMIA; NANOFLUIDS; FLOW;
D O I：
10.1016/j.ijthermalsci.2021.107258
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The physical principles of magnetic hyperthermia are based on the heat generation of magnetic nanoparticles under the influence of applied magnetic fields of different configurations. The choice of a suitable methodology for generating a magnetic field can significantly affect the resulting thermal effect and thus the efficiency itself. The technical details of the apparatus generating a rotating magnetic field and a comparison of the efficiency when the alternating magnetic field is applied are analyzed. While the mechanism of the temperature rise is the same, as shown by the fitting of the dT/dt curves, the intrinsic loss power differs significantly. It was found that the rotating magnetic field produces a thermal effect that is more than twice that of the alternating magnetic field under similar experimental conditions.
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页数：8
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