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The Scientific World Journal - Volume 2014 2014, Article ID 194617, 8 pages -

Research ArticleLaboratory of Mechanical Engineering and Development, Department of Mechanical Engineering, Polytechnic National School of Algiers, 10, Avenue Hassen Badi, B.P.
182, El-Harrach, 16200 Algiers, Algeria

Received 22 August 2013; Accepted 28 October 2013; Published 28 January 2014

Academic Editors: A. Al-Sarkhi and A. Szekrenyes

Copyright © 2014 Salah Larbi.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The purpose of this present work is related to wetting process analysis caused by condensation phenomena in capillary porous material by using a numerical simulation.
Special emphasis is given to the study of the mechanism involved and the evaluation of classical theoretical models used as a predictive tool.
A further discussion will be given for the distribution of the liquid phase for both its pendular and its funicular state and its consequence on diffusion coefficients of the mathematical model used.
Beyond the complexity of the interaction effects between vaporisation-condensation processes on the gas-liquid interfaces, the comparison between experimental and numerical simulations permits to identify the specific contribution and the relative part of mass and energy transport parameters.
This analysis allows us to understand the contribution of each part of the mathematical model used and to simplify the study.





Autor: Salah Larbi

Fuente: https://www.hindawi.com/



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