A study of liquid evaporation on forced convection in porous media with non-Darcy effects
Journal
Acta Mechanica
Journal Volume
154
Journal Issue
1-4
Pages
215-231
Date Issued
2002
Author(s)
Abstract
This paper analyzes the problem of liquid evaporation with non-Darcian effects on forced convection flow over a flat plate in an isotropic porous medium. The nonlinear boundary-layer equations with the boundary effect, Darcian resistance, and inertial resistance were solved using Keller's box method. The results show that the distribution of velocity increases with the increase of ς when Rek = 0, and the heat transfer, mass transfer of liquid and evaporation rate of liquid are more pronounced in large inertial effects when Rek ≠ 0. The latent heat flux QL is more enhanced than the sensible heat flux QS when the wall temperature is gradually increased, but QL/QS is almost constant. It was also found that the local Nusselt number and Sherwood number become nearly a constant when ς → 0 or ς → 1.
SDGs
Type
journal article