Predicting Macro Scale Parameters of Porous Media by Micro Scale CFD Modeling of Fluid Flow
Publish place: The first national conference on new technologies in Chemistry & Chemical Engineering
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NCNC01_036
تاریخ نمایه سازی: 14 شهریور 1392
Abstract:
The structure of porous media in format of electron microscopy image was used and geometry of fluid flow in a sample porous media was created. The flowpatterns are described and the pressure and the shear stress at the fluid/solid surfaces are analyzed in the porous media by means of Computational Fluid Dynamic. Threelaminar flow regimes; Darcy, transition and strong inertia were shown. As a consequence, the Non-Darcy 2D-flow is correctly modelled by Forchheimer’sequation. Capillary pressure hysterics in drainage and imbibitions of wetting phase to porous media because of pore structure has been shown. Residual saturation of nonwetting and wetting phases in drainage and imbibitions has been illustrated, too.Finally, connection between imaging results and informative data bank from numerical modelling was shown
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Authors
Hossein Esmaeili
Department of Chemical Engineering, Islamic Azad University, Bushehr Branch, Bushehr, Iran
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