Heat Transfer Using the Local Thermal Equilibrium Model

  • Marcelo J. S. de Lemos
Chapter
Part of the SpringerBriefs in Applied Sciences and Technology book series (BRIEFSAPPLSCIENCES)

Abstract

For an impinging jet, the flow is considered to be turbulent for \( Re > 1,000 \), where the Reynolds number is given by \( Re = \frac{{\rho \,v_{0} \,D_{h} }}{\mu } \), where \( v_{0} \) is the incoming jet velocity and \( D_{h} = B \) when calculating Re for adequate comparisons with similar simulations in the literature (see Fig.  1.2).

Keywords

Nusselt Number Porous Layer Thermal Boundary Layer Bottom Wall Darcy Number 
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References

  1. 1.
    S.J. Wang, A.S. Mujundar, A comparative study of five low Reynolds number \( k-\varepsilon \) models for impingement heat transfer. Appl. Therm. Eng. 25, 31–44 (2005)Google Scholar
  2. 2.
    K. Heyerichs, A. Pollard, Heat transfer in separated and impinging turbulent flows. Inter. J. Heat Mass Transf. 39(12), 2385–2400 (1996)Google Scholar
  3. 3.
    M.J.S. de Lemos, C. Fischer, Thermal analysis of an impinging jet on a plate with and without a porous layer. Numer. Heat Transf. A 54, 1022–1041 (2008)Google Scholar
  4. 4.
    D.R. Graminho, M.J.S. de Lemos, Simulation of turbulent impinging jet into a cylindrical chamber with and without a porous layer at the bottom. Inter. J. Heat Mass Transf. 52, 680–693 (2009)Google Scholar

Copyright information

© The Author(s) 2012

Authors and Affiliations

  • Marcelo J. S. de Lemos
    • 1
  1. 1.Departamento de Energia—IEMEInstituto Tecnólogico de AeronáuticaSão José dos CamposBrazil

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