Liquid film evaporation inside an inclined channel: Effect of the presence of a porous layer

被引：16

作者：

Terzi, A. ^{[1
,2
]}

Foudhil, W. ^{[1
]}

Harmand, S. ^{[3
,4
]}

Ben Jabrallah, S. ^{[1
,2
]}

机构：

[1] Univ El Manar, Fac Sci Tunis, Lab Energet & Transferts Therm & Mass, Campus Univ, Tunis 1060, Tunisia

[2] Univ Carthage, Fac Sci Bizerte, Bizerte 7021, Tunisia

[3] Univ Lille Nord France, F-59000 Lille, France

[4] UVHC TEMPO, F-59313 Valenciennes, France

来源：

INTERNATIONAL JOURNAL OF THERMAL SCIENCES | 2016年 / 109卷

关键词：

Evaporation; Porous layer; Liquid film; Heat and mass transfer; MASS-TRANSFER; MIXED CONVECTION; AIR-FLOW; TRANSFER ENHANCEMENT; DISTILLATION CELL; VERTICAL CHANNEL; FLUID-FLOW; HEAT; WATER; PLATE;

D O I：

10.1016/j.ijthermalsci.2016.05.018

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this paper, we numerically investigate the improvement of the heat and mass transfer during the evaporation of a liquid film by introducing a liquid saturated porous layer inside an inclined channel. To achieve this, we solved the non linear partial differential equations that describe the physical system using the finite volume method in both phases (liquid saturated porous layer and gas). Compared to the liquid case, the use of the porous layer promotes the heat and mass transfer. This improvement is greater when we increase the air inlet velocity and we decrease the porosity and the thickness of the porous medium. We also propose correlations that allows us to relate the Nusselt and Sherwood numbers to the Reynolds and Biot numbers. (C) 2016 Elsevier Masson SAS. All rights reserved.

引用

页码：136 / 147

页数：12

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