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From Pore Scale Numerical Simulation of Conjugate Heat Transfer in Cellular Material to Effectives Transport Properties of Real Structures

[+] Author Affiliations
Jean-Michel Hugo, Frédéric Topin, Lounès Tadrist

Université de Provence, Marseille, France

Emmanuel Brun

University of California, Santa Barbara, CA

Paper No. IHTC14-22692, pp. 931-936; 6 pages
doi:10.1115/IHTC14-22692
From:
  • 2010 14th International Heat Transfer Conference
  • 2010 14th International Heat Transfer Conference, Volume 6
  • Washington, DC, USA, August 8–13, 2010
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4941-5 | eISBN: 978-0-7918-3879-2
  • Copyright © 2010 by ASME

abstract

Pore scale numerical simulation of heat and mass transfer in several foams are realized. 3D geometry is reconstructed from X-Ray tomographic images and fully characterized using the iMorph software. Microscale quantities such as temperature, pressure and velocity fields are computed using commercial software (StarCCM+) based on finite volume method. Macroscale properties are then deduced from numerical data and compared to experimental ones. Impact of foam topology and material as well as fluid nature (Fluid dynamic viscosity, solid thermal conductivity [[ellipsis]]) on transfer properties are systematically studied. We discuss correlations of these results with geometrical characteristics of the samples by scaling the metal foam in order to change pore diameter.

Copyright © 2010 by ASME

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