Trajectory Deflection of Spinning Magnetic Microparticles: The Magnus Effect at the Microscale

M. Solsona*, H. Keizer, H.L. de Boer, Y.P. Klein, W. Olthuis, L. Abelmann, A. van den Berg

*Corresponding author for this work

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Abstract

The deflection due to the Magnus force of magnetic particles with a diameter of 80 μm dropping through fluids and rotating in a magnetic field was measured. With the Reynolds number for this experiment around 1, we found trajectory deflections of the order of 1°, in agreement with the measurement error in theory. This method holds promise for the sorting and analysis of the distribution in magnetic moment and particle diameter of suspensions of microparticles, such as applied in catalysis, or objects loaded with magnetic particles.
Original languageEnglish
Article number194702
Number of pages13
JournalJournal of Applied Physics
Volume127
Issue number19
DOIs
Publication statusPublished - 20 May 2020

Keywords

  • Microfluidic devices
  • Gravitational force
  • Magnetic equipment
  • Viscosity
  • Magnetic fields

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