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Two-dimensional thermosolutal natural convective heat and mass transfer in a bi-layered and inclined porous enclosure

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  • Hadidi, N.
  • Bennacer, R.
  • Ould-amer, Y.

Abstract

In this study we focus on the double diffusive convection generated in a horizontal bi-layered porous cavity. All porous layers-cavity may occupy different positions relative to the horizontal axis for inclination angle values0°≤ α ≤60°. Each porous layer is considered homogeneous, isotropic and saturated with the same fluid. The vertical walls are subjected to of uniform conditions of temperature and concentration whereas the horizontal walls are assumed to be adiabatic and impermeable. The set of equations describing the double diffusive convection within the enclosure are solved numerically using the numerical control volume approach. A scale analysis for predicting mass transfer rate is represented for the case, where the two porous layers in the cavity are arranged vertically and for solute-driven flows (N >> 1). The numerical results are presented and analyzed in terms of streamlines, isotherms, isoconcentrations lines and for the average Nusselt and Sherwood numbers.

Suggested Citation

  • Hadidi, N. & Bennacer, R. & Ould-amer, Y., 2015. "Two-dimensional thermosolutal natural convective heat and mass transfer in a bi-layered and inclined porous enclosure," Energy, Elsevier, vol. 93(P2), pages 2582-2592.
    • Handle: RePEc:eee:energy:v:93:y:2015:i:p2:p:2582-2592
    DOI: 10.1016/j.energy.2015.10.121
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    References listed on IDEAS

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    1. Shao, H. & Nagel, T. & Roßkopf, C. & Linder, M. & Wörner, A. & Kolditz, O., 2013. "Non-equilibrium thermo-chemical heat storage in porous media: Part 2 – A 1D computational model for a calcium hydroxide reaction system," Energy, Elsevier, vol. 60(C), pages 271-282.
    2. Nagel, T. & Shao, H. & Singh, A.K. & Watanabe, N. & Roßkopf, C. & Linder, M. & Wörner, A. & Kolditz, O., 2013. "Non-equilibrium thermochemical heat storage in porous media: Part 1 – Conceptual model," Energy, Elsevier, vol. 60(C), pages 254-270.
    3. Hadidi, N. & Ould-Amer, Y. & Bennacer, R., 2013. "Bi-layered and inclined porous collector: Optimum heat and mass transfer," Energy, Elsevier, vol. 51(C), pages 422-430.
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