A novel planetary motion of ferrofluid drops in a rotating magnetic field

Ching-Yao Chen, H. C. Hsueh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We experimentally investigate the motion of a ferrodrop array in a rotating magnetic field. The ferrodrops undergo interesting dual rotations, such as the local self-spins of individual drops and the global revolution of the drop array. While the drops spin nearly synchronized with the overall external field, the revolution always lags behind the field and appears a forth and back movement. Significance of the net revolutionary movement depends on the uniformity of the overall field distribution. In general, a more uniform rotating field leads to a more prominent global revolution of the array. Phenomenon of such dual rotations can be applied to mix two fluids more effectively than a self-spin drop.

Original languageEnglish
Title of host publicationTechnical Proceedings of the 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014
PublisherNano Science and Technology Institute
Pages93-96
Number of pages4
ISBN (Print)9781482258271
StatePublished - 1 Jan 2014
EventNanotechnology 2014: MEMS, Fluidics, Bio Systems, Medical, Computational and Photonics - 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014 - Washington, DC, United States
Duration: 15 Jun 201418 Jun 2014

Publication series

NameTechnical Proceedings of the 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014
Volume2

Conference

ConferenceNanotechnology 2014: MEMS, Fluidics, Bio Systems, Medical, Computational and Photonics - 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014
CountryUnited States
CityWashington, DC
Period15/06/1418/06/14

Keywords

  • Ferrofluid
  • Planetary motion
  • Rotational field

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  • Cite this

    Chen, C-Y., & Hsueh, H. C. (2014). A novel planetary motion of ferrofluid drops in a rotating magnetic field. In Technical Proceedings of the 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014 (pp. 93-96). (Technical Proceedings of the 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014; Vol. 2). Nano Science and Technology Institute.