NEW MODELING APPROACH FOR HEAT AND MASS TRANSFERS DURING SORPTION PHENOMENA IN A PLANE ADSORBER

被引：6

作者：

Zegnani, Abdelaziz ^{[1
]}

Mhimid, Abdallah ^{[1
]}

Dhahri, Hacen ^{[1
]}

Slimi, Khalifa ^{[2
]}

机构：

[1] Ecole Natl Ingenieurs Monastir, Monastir 5019, Tunisia

[2] Inst Preparatoire Etud Ingenieurs, Monastir 5019, Tunisia

来源：

JOURNAL OF POROUS MEDIA | 2010年 / 13卷 / 12期

关键词：

zeolite; desorption; plane desorber; moisture content; numerical simulation; three-phase model; two-phase model; POROUS-MEDIA; WATER DESORPTION; ZEOLITE BED; PHASE;

D O I：

10.1615/JPorMedia.v13.i12.40

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A model approach for heat and mass transfers during gas sorption by a zeolite bed is developed. The mathematical modeling is based on assuming the bed to be formed with three phases solid, liquid, and gaseous. The classical finite volume method is used to numerically solve the differential set of governing macroscopic equations. Numerical results provide us the time-space evolutions of temperature and moisture content. A comparison between results obtained with a three-phase model versus those obtained with a two-phase model is performed and discussed. A comprehensive analysis of the influence of the bed porosity and the grain porosity on the average reduced moisture content and average reduced temperature is also investigated.

引用

页码：1087 / 1100

页数：14

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