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Inclination effects of magnetic field direction in 3D double-diffusive natural convectionAuthor-Name: Maatki, Chemseddine

Author

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  • Ghachem, Kaouther
  • Kolsi, Lioua
  • Hussein, Ahmed Kadhim
  • Borjini, Mohamed Naceur
  • Aissia, Habib Ben

Abstract

In this paper a numerical study which treats the effect of the magnetic field inclination on 3D double diffusive convection in a cubic cavity filled with a binary mixture is presented. The two vertical walls are maintained at different temperatures and concentrations. A particular interest is reserved to determine the effect of the magnetic field inclination on the flow structure and heat and mass transfer. The problem is formalized based on the vector potential vorticity procedure in its three-dimensional configuration and discretized based on the finite volume method. The results are given for Ra = 105, Pr = 1 and Le = 2. This paper presents respectively the inclination effects of the magnetic field direction on the three-dimensional flow structure and on heat and mass transfer. The main results show that the increase of the inclination of the magnetic field direction damped the flow. A critical angle, which depending on Hartmann number, caused big change on the flow structure and accented the three dimensional aspect in the cavity.

Suggested Citation

  • Ghachem, Kaouther & Kolsi, Lioua & Hussein, Ahmed Kadhim & Borjini, Mohamed Naceur & Aissia, Habib Ben, 2016. "Inclination effects of magnetic field direction in 3D double-diffusive natural convectionAuthor-Name: Maatki, Chemseddine," Applied Mathematics and Computation, Elsevier, vol. 273(C), pages 178-189.
    • Handle: RePEc:eee:apmaco:v:273:y:2016:i:c:p:178-189
    DOI: 10.1016/j.amc.2015.09.043
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