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Article Dans Une Revue Magnetohydrodynamics c/c of Magnitnaia Gidrodinamika Année : 2013

Magnetic ejection effect under uniform magnetic field

Y. Iwamoto
  • Fonction : Auteur
X.-D. Niu
  • Fonction : Auteur
F. Magoules
H. Yamaguchi
  • Fonction : Auteur

Résumé

In the present work, a study of the ejection of a non-magnetic particle due to the magnetic buoyancy force under a uniform magnetic field was carried out. The simulation is based on a hybrid Lattice Boltzmann Method (LBM). The non-magnetic particle’s trajectory was calculated using resultant numerical flow field solutions. Generally, no magnetic body force acts on the fluid under a uniform magnetic field if the magnetization of the magnetic fluid has no temperature dependence. However, when Temperature-Sensitive Magnetic Fluid (TSMF) is combined with a gradient of temperature, the phenomenon of magnetic ejection happens for a particle. In the present work, it is revealed that the particle is ejected from its initial position and moves towards the low pressure regions regardless of the liquid flow direction.
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Dates et versions

hal-01273939 , version 1 (14-02-2016)

Identifiants

  • HAL Id : hal-01273939 , version 1

Citer

W. Gault, Y. Iwamoto, X.-D. Niu, F. Magoules, H. Yamaguchi. Magnetic ejection effect under uniform magnetic field. Magnetohydrodynamics c/c of Magnitnaia Gidrodinamika, 2013, 49 (3-4), pp.355-359. ⟨hal-01273939⟩
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