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Journal of Porous Media
IF: 1.49 5-Year IF: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN Print: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.2019027761
pages 1573-1593


Abdelaziz Zegnani
National Engineering School of Gafsa, University of Gafsa, 2119, Sidi Ahmed Zarroug City, Gafsa, Tunisia; Laboratory of Thermal and Energetic Systems Studies (LESTE) at the National School of Engineering of Monastir, 5019 Ibn Eljazzar Street, University of Monastir
Amal Bel Haj Jrad
Laboratory of Thermal and Energetic Systems Studies (LESTE) at the National School of Engineering of Monastir, 5019 Ibn Eljazzar Street, University of Monastir
Abdallah Mhimid
Laboratory of Thermal and Energetic Systems Studies (LESTE) at the National School of Engineering of Monastir, 5019 Ibn Eljazzar Street, University of Monastir


A numerical study of the generation of entropy for gas sorption by one zeolite when the bed is formed by three phases (the solid phase, the liquid phase, and the gaseous phase) is evolved. All surfaces of the absorber are maintained at a stable temperature and a stable effusion rate. The entropy generation model includes different aspects such as conduction, viscous dissipation, and mixture reaction. The numerical results of temperature, moisture content, and different form of entropy generation are presented and discussed. A comprehensive analysis of the irreversibility during the sorption phenomena is also investigated throughout this paper. A sensitivity study is discussed.


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