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Turbulent Flow in a Composite Channel With a Wavy Interface

[+] Author Affiliations
Marcelo J. S. de Lemos

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

Paper No. HT2008-56250, pp. 469-474; 6 pages
doi:10.1115/HT2008-56250
From:
  • ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences
  • Heat Transfer: Volume 1
  • Jacksonville, Florida, USA, August 10–14, 2008
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4847-0 | eISBN: 0-7918-3832-3
  • Copyright © 2008 by ASME

abstract

This paper presents numerical solutions for turbulent flow in a channel containing a layer of porous material with wavy form. One unique set of transport equations, for mass and momentum, is applied to both regions, namely the clear and porous domains. Effects of interface wave number on mean and turbulence fields are investigated. Results indicate that around the peaks of the sinusoidal layer values of the turbulent kinetic energy are higher for lower values of n, where n is the wave number associated with the wavy interface shape. Also, as the surface gets rough (high n), the use of a jump condition for the diffusion flux across the interface does not affect the pressure drop along the channel.

Copyright © 2008 by ASME

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