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Three-dimensional numerical simulation of ferrofluid magnetoconvection in cubical enclosure heated with an inner spherical hot block

Author

Listed:
  • Boubaker Dhibi

    (University of Tunis El Manar, Faculty of Sciences of Tunis, Laboratory of Physics of Fluids, 2092 El Manar 2, Tunis, Tunisia)

  • Brahim Ben-Beya

    (University of Tunis El Manar, Faculty of Sciences of Tunis, Laboratory of Physics of Fluids, 2092 El Manar 2, Tunis, Tunisia)

Abstract

In this study, three-dimensional computational analysis is performed to investigate the magnetoconvection of ferrofluid (Fe3O4-water) within a cubical enclosure heated by an inner spherical hot block. The ferrofluid, considered as a working fluid, is modeled as a single-phase fluid. The inner spherical block is put at high temperature while all the remaining walls of the enclosure are exposed to low temperature. Two radii values (rs=0.1 and 0.2) of the inner hot sphere are examined. Governing equations with corresponding boundary conditions are solved numerically applying a second-order accurate finite volume method on a staggered grid system, using an accelerated multigrid model. Simulations are carried out based on various flow-governing parameters such as Rayleigh number (103

Suggested Citation

  • Boubaker Dhibi & Brahim Ben-Beya, 2021. "Three-dimensional numerical simulation of ferrofluid magnetoconvection in cubical enclosure heated with an inner spherical hot block," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 32(03), pages 1-23, March.
    • Handle: RePEc:wsi:ijmpcx:v:32:y:2021:i:03:n:s012918312150042x
    DOI: 10.1142/S012918312150042X
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