Porous media
Geometry Effect Investigation on a Conical Chamber with Porous Media Boundary Condition Using Computational Fluid Dynamic (CFD) Technique
... The conical chamber has a characteristic to produce a strong recirculation flow. A dominant recirculation flow is sometime not wanted. This is because of large recirculation region with lower value of mass flow rate and ...
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Non-Darcy porous media flow in no-slip and slip regimes
... In this paper lattice-Boltzmann equation method is used to simulate non-Darcy flow in porous media. 2-D in-line and staggered arrangements of uniform cylin- ders have been considered. The results of a ...
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Numerical simulation of vegetated flows using RANS equations coupled with a porous media approach in OpenFOAM
... Although the Forchheimer equation has been used in its various forms to compensate for Darcy’s law’s shortcomings, it too has its own limited range of applicability as recent experimental data has shown by Barree and ...
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The similarity solution of the longitudinal dispersion phenomenon of miscible fluids in porous media
... Specific problem of the longitudinal dispersion of miscible fluids flow through porous media is discussed under certain assumptions and error function solution is obtained. We have expressed the result in ...
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Reversible Reactive Flow Displacements in Homogeneous Porous Media
... Abstract—The viscous fingering instability of miscible flow displacements in a homogeneous porous media is examined in the case involving reversible chemical reactions between the fluids. The problem is ...
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Formulation of New 3D Printed Porous Media for Gas Adsorption Application
... and porous volumes available to adsorption, which can improve the efficiency of processes such as PSA (Pressure Swing Adsorption), which is commercially established for separation/purification of ...
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MASS CONSERVATION ENHANCEMENT OF FREE BOUNDARY FLOWS IN COMPOSITES MANUFACTURING Zuzana Dimitrovová
... Figure 1 – Top view of fiber preform consisting of woven fiber tows (each fiber tow contains 3000 individual fiber filaments). Photograph on the left and a schematic on the right. At the mesolevel two different flow ...
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Imbibition Phenomenon arising in Double Phase Flow through Porous Medium with Capillary Pressure
... homogeneous porous media with capillary ...a porous medium saturated with another non-wetting fluid is initiated by imbibition and the injected fluid and the native fluid form immiscible fluid phases ...
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Rev. IBRACON Estrut. Mater. vol.9 número4
... the porous media absorption capacity or water loss (or other luid), when in direct or indirect contact with the luid, in a closed environment, at constant pressure and temperature until energy equilibrium ...
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Dissolved inorganic carbon and alkalinity fluxes from coastal marine sediments: model estimates for different shelf environments and sensitivity to global change
... Thullner, M., van Cappellen, P., and Regnier, P.: Modeling the impact of microbial activity on redox dynamics in porous media, Geochim. W., and Regnier, P.: Global-scale quantification o[r] ...
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Braz. J. Chem. Eng. vol.25 número1
... Abstract - The simultaneous heat and mass transfer between fluid phase and seeds having a mucilaginous coating was studied during packed bed drying. To describe the process, a two-phase model approach was employed, in ...
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Alexandra Ribeiro et al EA 23829 2014
... through porous media under electric field, and with different electrolytes (with different ionic ...the porous medium are very low (10 -7 -10 -4 cm 2 V -1 s -1 ), due to the counterbalance between ...
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A theoretical analysis of local thermal equilibrium in fibrous materials
... and proposed the relaxation time to determine the finite velocity of the heat flow. Tzou [3] modi- fied the thermal wave equation and proposed the phase-lag concept to describe the lagging be- havior of heat conduction ...
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MODELING WATER MOVEMENT IN HORIZONTAL COLUMNS USING FRACTAL THEORY
... in porous media and also to characterize and simulate porous media ...heterogeneous porous media (clay and loam distributed in layers in the column) were simulated following the ...
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Nonlinear flow model for well production in an underground formation
... in porous media and discuss the origins of the nonlinear flow issue; (2) establish and solve a nonlinear flow model for well pro- duction; (3) plot a series of standard type curves for wellbore ...
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Braz. J. Chem. Eng. vol.22 número1
... or porous media are formulated using the isofugacity ...inside porous media and perform bubble- and dew- point calculations for pure components and mixtures, using the Peng-Robinson equation ...
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Comput. Appl. Math. vol.24 número3
... particulate suspensions in porous media. The particle capture from the suspension by the rock occurs by the size exclusion mechanism. The equations for particle and pore size distributions have been derived ...
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Multiphysical modelling of fluid transport through osteo-articular media
... In this study, a multiphysical description of fluid transport through osteo-articular porous media is pre- sented. Adapted from the model of Moyne and Murad, which is intended to describe clayey materials ...
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MRI-based computational model of heterogeneous tracer transport following local infusion into a mouse hind limb tumor.
... computational porous media transport model accounting for realistic anatomical geometry and tumor leakiness was developed for predicting the interstitial flow field and distribution of albumin tracer ...
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Braz. J. Phys. vol.40 número4
... For porous media such as soil, Alexander & Skaggs [4] presented a theoretical model for the hydraulic conductivity measurement of non saturated soils from the retention curve data considering that water ...
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