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Membrane Water Treatment   Volume 7, Number 2, March 2016, pages 87-100
Simulation of transport phenomena in porous membrane evaporators using computational fluid dynamics
Mehrnoush Mohammadi, Azam Marjani, Mehdi Asadollahzadeh, Alireza Hemmati and Seyyed Masoud Kazemi

Abstract     [Buy Article]
    A numerical simulation of membrane evaporation process was carried out in this work. The aim of simulation is to describe transport of water through porous membranes applicable to the concentration of aqueous solutions. A three-dimensional mathematical model was developed which considers transport phenomena including mass, heat, and momentum transfer in membrane evaporation process. The equations of model were then solved numerically using finite element method. The results of simulation in terms of evaporation flux were compared with experimental data, and confirmed the accuracy of model. Moreover, profile of pressure, concentration, and heat flux were obtained and analyzed. The results revealed that developed 3D model is capable of predicting performance of membrane evaporators in concentration of aqueous solutions.
Key Words
    membrane; mass transfer; membrane contactor; simulation; modeling
(1) Mehrnoush Mohammadi, Mehdi Asadollahzadeh, Alireza Hemmati:
Faculty of Engineering, Department of Chemical Engineering, South Tehran Branch, Islamic Azad University, P.O. Box 11365-4435, Tehran, Iran;

(2) Azam Marjani:
Department of Chemistry, Arak Branch, Islamic Azad University, Arak, Iran;

(3) Seyyed Masoud Kazemi:
Faculty of Chemistry, Department of Analytical Chemistry, North Tehran Branch, Islamic Azad University, Tehran, Iran.

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