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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

10.1016/0010-406x(69)91334-6

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ISSN

1573-1634

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Soret and Dufour Effects on Mixed Convection Heat

Authors: ChingYang Cheng
Publish Date: 2012/03/29
Volume: 94, Issue: 1, Pages: 123-132
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Abstract

This work studies the Soret and Dufour effects on the boundary layer flow due to mixed convection heat and mass transfer over a downwardpointing vertical wedge in a porous medium saturated with Newtonian fluids with constant wall temperature and concentration A suitable coordinate transformation is performed and the obtained nonsimilar equations are solved by cubic spline collocation method The effects of the Dufour parameter Soret parameter wedge angle parameter mixed convection variable and buoyancy ratio on the heat and mass transfer characteristics has been studied The local Nusselt number is found to decrease when the Dufour parameter is increased Moreover an increase in the Soret number leads to a decrease in the local Sherwood number For naturalconvectiondominated regime an increase in the Soret number leads to an increase in the local Nusselt number for buoyancy assisting flows and a decrease for buoyancy opposing flows As the wedge angle parameter is increased the local Nusselt number and the local Sherwood number increases for forced convection and forcedconvectiondominated mixed convection The wedge angle parameter is insignificant for natural convection or naturalconvectiondominated mixed convection


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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. Tortuosity based on Anisotropic Diffusion Process in Structured Plate-like Obstacles by Monte Carlo Simulation
  6. Effect of Gas Diffusion on Mobility of Foam for Enhanced Oil Recovery
  7. A Note on Local Thermal Non-Equilibrium in Porous Media Near Boundaries and Interfaces
  8. 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
  9. Effects of Heat Generations on the Thermal Response of Channels Partially Filled with Non-Darcian Porous Materials
  10. Micromechanics Contribution to Coupled Transport and Mechanical Properties of Fractured Geomaterials
  11. Natural convection in a rotating anisotropic porous layer with internal heat generation
  12. Semi-Analytical Modeling of Flow Behavior in Fractured Media with Fractal Geometry
  13. Numerical and Meta-Modeling of Nitrate Transport Reduced by Nano-Fe/Cu Particles in Packed Sand Column
  14. Propagation of Love Wave in Sandy Layer Under Initial Stress Above Anisotropic Porous Half-Space Under Gravity
  15. Numerical Modelling of Steady-State Flow in 2D Cracked Anisotropic Porous Media by Singular Integral Equations Method
  16. Analytical Treatment of a Push–Pull “Echo” Test
  17. A Study of the Time Constant in Unsteady Porous Media Flow Using Direct Numerical Simulation
  18. Flow Modeling of Well Test Analysis for Porous–Vuggy Carbonate Reservoirs
  19. Modeling of Dissolution Effects on Waterflooding
  20. Natural Convection as an Asymmetrical Factor of the Transport Through Porous Membrane
  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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