Effect of non-uniform magnetic fields on the characteristics of ferrofluid flow in a square enclosure

Myoungwoo Lee, Youn Jea Kim*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The importance of heat management has been emphasized in various industrial fields and cooling technology of efficiently removing heat is required. The natural convection of a fluid-filled enclosure is being applied in applications such as heat exchangers, solar energy collection, and electronics cooling. In this study, when the same heat source was applied, velocity, temperature, magnetic Rayleigh number, and local Nusselt number in the enclosure were analyzed according to the magnetic field strength and obstacles. The highest heat transfer performance was obtained at 2000 kA/m of rhombus and magnetic field strength. Finally, the optimum point that has a higher heat transfer rate than the reference model was derived by modifying the strength of the magnetic field.

Original languageEnglish
Article number166697
JournalJournal of Magnetism and Magnetic Materials
Volume506
DOIs
Publication statusPublished - 2020 Jul 15
Externally publishedYes

Keywords

  • Ferrofluid
  • Magnetic flux density
  • Magnetic nanoparticle

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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