Volume 13, Issue 13 (First Special Issue 2014)
Modares Mechanical Engineering 2014, 13(13): 43-56 |
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taghilou M, rahimyan M H. Simulation of 2D droplet penetration in porous media using lattice Boltzmann method. Modares Mechanical Engineering 2014; 13 (13) :43-56
URL: http://mme.modares.ac.ir/article-15-1742-en.html
URL: http://mme.modares.ac.ir/article-15-1742-en.html
Abstract: (7861 Views)
Two-phase flow modeling has been the subject of many investigations. However, fewer studies are corresponded for two-phase flow within a porous medium, because of additional complications. In this paper, two-phase flow with the density and viscosity ratio of 1, within a porous medium is simulated by Shan and Chen model. Due to inherent limitations and weaknesses of this approach in an independent control of surface tension, investigation of parameters such as Reynolds number, Froude and Weber is not applicable. However, porous medium parameters such as Darcy number and contact angle could be studied by changing the porous medium and contact angle. Competition between opposing forces against the drop and the capillary effect because of increasing the number of particles in the porous media is described using the Darcy number. Also the effect of the contact angle between liquid-gas phases and the solid surface is evaluated on the droplet penetration inside the porous medium.
Article Type: Research Article |
Subject:
Two & Multi Phase Flow|CFD|Lattice-Boltzmann Method|Porous Media
Received: 2013/06/11 | Accepted: 2013/07/5 | Published: 2014/02/20
Received: 2013/06/11 | Accepted: 2013/07/5 | Published: 2014/02/20
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