The experiments are conducted on the magnetic fluid flow induced by the multi-pole rotating magnetic field in a circular cylinder. The numbers of poles are two, four, six, eight and twelve. The applied electric current and frequency are 2∼6 A and 20∼60 Hz, respectively. The peak velocity of the flow increases with the increase in the strength and the phase velocity of the magnetic field. As the increase in the number of poles, the flow shifts to the outer periphery.
Swirling Flow of Magnetic Fluid in Multi-Pole Rotating Magnetic Field
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Kamioka, K, & Yamane, R. "Swirling Flow of Magnetic Fluid in Multi-Pole Rotating Magnetic Field." Proceedings of the ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. Volume 2: Symposia, Parts A, B, and C. Honolulu, Hawaii, USA. July 6–10, 2003. pp. 1571-1576. ASME. https://doi.org/10.1115/FEDSM2003-45040
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