Numerical Study of Natural Convection in a Vertical Channel Partially Filled with a Porous Medium

1
Ahmed Mezrhab
Ahmed Mezrhab
2
Samir Amraqui
Samir Amraqui
3
Nadia Dihmani
Nadia Dihmani
1 Universit Mohammed Premier

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A numerical study of natural convection in a vertical channel partially filled with a porous matrix is performed. The flow is described using Brinkman-extended Darcy model. The governing equations are solved by using the finite-volume method. The pressure-velocity coupling is provided by the SIMPLER algorithm. The objective of this work is to determine heat transfer and fluid flow characteristics for Prandtl number Pr = 0.71. A parametric study was conducted by varying the thicknesses of the porous layers and Darcy Number for two Rayleigh number Ra = 106 and Ra = 107. The isotherms, streamlines, average Nusselt number and dimensionless temperature are presented for different parametric study.

3 Cites in Articles

References

  1. R Chu,U Hwang (1977). Dielectric fluidized cooling système.
  2. D Nield,A Bejan (1992). Convection in Porous Media.
  3. Mezrhab (1997). thèse Contribution à l'étude des transferts thermiques par convection naturelle et par rayonnement dans des systèmes complexes.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Not applicable for this article.

Ahmed Mezrhab. 2014. \u201cNumerical Study of Natural Convection in a Vertical Channel Partially Filled with a Porous Medium\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 14 (GJRE Volume 14 Issue A1): .

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Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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v1.2

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March 2, 2014

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English

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A numerical study of natural convection in a vertical channel partially filled with a porous matrix is performed. The flow is described using Brinkman-extended Darcy model. The governing equations are solved by using the finite-volume method. The pressure-velocity coupling is provided by the SIMPLER algorithm. The objective of this work is to determine heat transfer and fluid flow characteristics for Prandtl number Pr = 0.71. A parametric study was conducted by varying the thicknesses of the porous layers and Darcy Number for two Rayleigh number Ra = 106 and Ra = 107. The isotherms, streamlines, average Nusselt number and dimensionless temperature are presented for different parametric study.

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Numerical Study of Natural Convection in a Vertical Channel Partially Filled with a Porous Medium

Samir Amraqui
Samir Amraqui
Nadia Dihmani
Nadia Dihmani
Ahmed Mezrhab
Ahmed Mezrhab Universit Mohammed Premier

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