The dynamic behaviour of magnet-magnetic fluid systems in alternating magnetic fields

S. Sudo, M. Shinozaki, H. Nishiyama

Research output: Contribution to journalArticlepeer-review

Abstract

This paper is concerned with the surface phenomena of magnetic fluid adsorbed on a small NdFeB permanent magnet subject to alternating magnetic fields. The dynamic behaviour of some magnet-magnetic fluid systems in alternating magnetic fields is studied with a digital high-speed video camera system. Magnetic fluid surface waves are observed in a wider range of input frequency from 10Hz to 200 Hz. The frequency of magnetic fluid surface motion for most forms of external alternating field usually corresponds to the input frequency. Large-amplitude surface waves and drop ejection from a magnetic fluid surface occur in some systems at the natural frequency of the system.

Original languageEnglish
Pages (from-to)344-349
Number of pages6
JournalMagnetohydrodynamics
Volume49
Issue number3-4
DOIs
Publication statusPublished - 2013

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'The dynamic behaviour of magnet-magnetic fluid systems in alternating magnetic fields'. Together they form a unique fingerprint.

Cite this