WSEAS Transactions on Fluid Mechanics
Print ISSN: 1790-5087, E-ISSN: 2224-347X
Volume 13, 2018
Numerical Simulation of Pressure Loss in Porous Media in Oscillating Flow
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Abstract: In this study, the pressure loss in two types of porous media for both unidirectional and oscillatory flows is analyzed using commercial software Comsol©. The numerical results are compared with those obtained in the previous experiments performed by the author of this article. The porous media used in these experiments consist of mono-sized stainless steel balls with diameters of 1 mm and 3 mm, the liquid phase being water. The permeability and inertial coefficient for each type of medium is obtained from the analysis of the experimental data. The unidirectional flow has a surface velocity range of 20-100 mm/s, while the oscillating flow has two different frequencies of 0.233 Hz and 0.35 Hz and two different flow oscillation amplitudes of 170 mm and 195 mm, making a total of eight separate oscillating flow conditions for two types of porous media, for both in the experiments and the numerical studies. The results have shown that Comsol© can produce reliable results on fluid flow problems in porous media, provided that the relevant flow and porous media parameters have been selected correctly.
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Pages: 37-44
WSEAS Transactions on Fluid Mechanics, ISSN / E-ISSN: 1790-5087 / 2224-347X, Volume 13, 2018, Art. #5