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Mass Dispersion Coefficients for Turbulent Flow in an Infinite Porous Medium

[+] Author Affiliations
Maximilian S. Mesquita, Marcelo J. S. de Lemos

Instituto Tecnológico de Aeronáutica - ITA, São José dos Campos, SP, Brazil

Paper No. HT-FED2004-56765, pp. 561-568; 8 pages
doi:10.1115/HT-FED2004-56765
From:
  • ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
  • Volume 1
  • Charlotte, North Carolina, USA, July 11–15, 2004
  • Conference Sponsors: Heat Transfer Division and Fluids Engineering Division
  • ISBN: 0-7918-4690-3 | eISBN: 0-7918-3740-8
  • Copyright © 2004 by ASME

abstract

In this work, mass dispersion tensors were calculated within an infinite porous medium formed by a spatially periodic array of longitudinally-displaced cylindrical rods. For the sake of simplicity, just one unit-cell, together with periodic boundary conditions for mass and momentum equations, and Neumann conditions for the mass concentration, was used to represent such medium. The numerical methodology herein employed is based on the control volume approach. Turbulence is assumed to exist within the fluid phase. High and low Reynolds k-e models were used to model such non-linear effects. The flow equations at the pore-scale were numerically solved using the SIMPLE method applied to a non-orthogonal boundary-fitted coordinate system. Integrated mass fraction results were compared with existing data in the literature.

Copyright © 2004 by ASME

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