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Title of Journal: Transp Porous Med

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Abbravation: Transport in Porous Media

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Springer Netherlands

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DOI

10.1007/s00128-011-0376-y

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ISSN

1573-1634

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Tortuosity based on Anisotropic Diffusion Process

Authors: Takahiro Ohkubo
Publish Date: 2007/08/18
Volume: 72, Issue: 3, Pages: 339-350
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Abstract

The diffusion of fluids in porous media composed of regularly aligned platelike obstacles was studied by Monte Carlo simulation The diffusion coefficients and all diagonal components of the diffusion tensor were estimated for these media The calculated tortuosities were modeled as a function of porosity by using the Koponen’s equation related to percolation threshold These results indicated that a media with a homogeneous porosity has a heterogeneous tortuosity is affected by the alignments of the platelike obstacles Furthermore the calculation results were compared with the experimental results for fixed perpendicular plates of Comiti and Renaud as a function of porosity The results for tortuosity compared well for porosity larger than 086

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Other Papers In This Journal:
  1. Unsteady Natural Convection Flow in a Square Cavity Filled with a Porous Medium Due to Impulsive Change in Wall Temperature
  2. Estimating the sorptivity for a wide range of diffusivity dependence on water content
  3. The Starting Flow in Ducts Filled with a Darcy–Brinkman Medium
  4. Constitutive Relations for Reactive Transport Modeling: Effects of Chemical Reactions on Multi-phase Flow Properties
  5. Effect of Gas Diffusion on Mobility of Foam for Enhanced Oil Recovery
  6. A Note on Local Thermal Non-Equilibrium in Porous Media Near Boundaries and Interfaces
  7. A Comment on Change of Nusselt Number Sign in a Channel Flow Filled by a Fluid-Saturated Porous Medium with Constant Heat Flux Boundary Conditions
  8. Effects of Heat Generations on the Thermal Response of Channels Partially Filled with Non-Darcian Porous Materials
  9. Micromechanics Contribution to Coupled Transport and Mechanical Properties of Fractured Geomaterials
  10. Natural convection in a rotating anisotropic porous layer with internal heat generation
  11. Semi-Analytical Modeling of Flow Behavior in Fractured Media with Fractal Geometry
  12. Numerical and Meta-Modeling of Nitrate Transport Reduced by Nano-Fe/Cu Particles in Packed Sand Column
  13. Propagation of Love Wave in Sandy Layer Under Initial Stress Above Anisotropic Porous Half-Space Under Gravity
  14. Numerical Modelling of Steady-State Flow in 2D Cracked Anisotropic Porous Media by Singular Integral Equations Method
  15. Analytical Treatment of a Push–Pull “Echo” Test
  16. A Study of the Time Constant in Unsteady Porous Media Flow Using Direct Numerical Simulation
  17. Flow Modeling of Well Test Analysis for Porous–Vuggy Carbonate Reservoirs
  18. Modeling of Dissolution Effects on Waterflooding
  19. Natural Convection as an Asymmetrical Factor of the Transport Through Porous Membrane
  20. Soret and Dufour Effects on Mixed Convection Heat and Mass Transfer from a Vertical Wedge in a Porous Medium with Constant Wall Temperature and Concentration
  21. Combined Forced and Free Convective Flow in a Vertical Porous Channel: The Effects of Viscous Dissipation and Pressure Work
  22. Combined Forced and Free Convective Flow in a Vertical Porous Channel: The Effects of Viscous Dissipation and Pressure Work
  23. Control of Flow and Heat Transfer in a Porous Enclosure due to an Adiabatic Thin fin on the Hot Wall
  24. Hydro-Mechanical Evolution of Transport Properties in Porous Media: Constraints for Numerical Simulations
  25. An Analysis of Unsteady Flooding Processes: Varying Force Balance and the Applicability of Steady-State Upscaling
  26. Metal Foam Heat Exchangers for Heat Transfer Augmentation from a Cylinder in Cross-Flow
  27. Mixed Convection Boundary-Layer Flow in a Porous Medium Filled with Water Close to its Maximum Density
  28. The Unsteady Free Convection Boundary-Layer Flow Near a Stagnation Point in a Heat Generating Porous Medium with Modified Arrhenius Kinetics
  29. Advection–Dispersive Mechanisms of Electrolyte Species in Porous Matrix
  30. Experimental Investigation on the Filtering Flow Law of Pre-gelled Particle in Porous Media
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