Bi-layered and inclined porous collector: Optimum heat and mass transfer

N. Hadidi, Y. Ould-Amer and R. Bennacer

Energy, 2013, vol. 51, issue C, 422-430

Abstract: This paper presents the results of a numerical study of double-diffusive convection in an inclined rectangular collector filled with two parallel porous layers. Each porous layer is considered homogeneous, isotropic and saturated with the same fluid. The vertical walls of porous cavity are subjected to uniform temperature and concentration whereas the other surfaces are assumed to be adiabatic and impermeable. The set of equations governing the heat and mass coupled problem within the enclosure are solved numerically. The numerical results are presented and analyzed in terms of streamlines, isotherms, isoconcentrations lines and average Nusselt and Sherwood numbers. A scale analysis is used to characterize the effect of the permeability ratio on the heat and mass transfer. It is found that the numerical solutions of the full governing equations are in good agreement with the scaling results for some specific conditions. Optimum operating tilted angle are deduced.

Keywords: Thermosolutal convection; Porous medium; Bi-layered; Tilted collector (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:51:y:2013:i:c:p:422-430

DOI: 10.1016/j.energy.2013.01.012

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