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http://dx.doi.org/10.3741/JKWRA.2017.50.5.325

A numerical investigation on nonlinear behavior of fluid flow with variation of physical properties of a porous medium  

Jeong, Woochang (Department of Civil Engineering, Kyungnam University)
Publication Information
Journal of Korea Water Resources Association / v.50, no.5, 2017 , pp. 325-334 More about this Journal
Abstract
In this study, the numerical investigation of the non-linear behavior of the fluid flow with physical properties, such as porosity and intrinsic permeability of a porous medium, and kinematic viscosity of a fluid, are carried out. The applied numerical model is ANSYS CFX which is the three-dimensional fluid dynamics model and this model is verified through the application of existing physical and numerical results. As a result of the verification, the results of the pressure gradient-velocity relationship and the friction coefficient-Reynolds number relationship produced from this study show relatively good agreement with those from existing physical and numerical experiments. As a result of the simulation by changing the porosity and intrinsic permeability of a porous medium and the kinematic viscosity of a fluid, the kinematic viscosity has the biggest effect on the non-linear behavior of the fluid flow in the porous medium.
Keywords
Non-linear behavior; ANSYS CFX; Porous medium; Porosity; Intrinsic permeability;
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Times Cited By KSCI : 2  (Citation Analysis)
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