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Heat Transfer and Fluid Flow in a Furnace Using the Non-Boussinesq Approximation

[+] Author Affiliations
John K. Kamel, Samuel Paolucci

University of Notre Dame, Notre Dame, IN

Paper No. HT-FED2004-56466, pp. 933-938; 6 pages
doi:10.1115/HT-FED2004-56466
From:
  • ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
  • Volume 2, Parts A and B
  • Charlotte, North Carolina, USA, July 11–15, 2004
  • Conference Sponsors: Heat Transfer Division and Fluids Engineering Division
  • ISBN: 0-7918-4691-1 | eISBN: 0-7918-3740-8
  • Copyright © 2004 by ASME

abstract

Heat transfer and flow field distributions inside a furnace used for manufacturing carbon aircraft brakes are investigated by using non-Boussinesq equations. These equations, unlike their Boussinesq counterpart, enable us to account properly for the large variation of properties with temperature. Radiation between the furnace wall and the porous brake substrates is modelled by taking these surfaces as gray and diffuse, while the gas is considered to be a non-participating medium. A non-Darcian model is used for the flow in the porous brakes. We have implemented the equations within FIDAP, a commercial finite element code. The accuracy of the solution is validated by using well-established numerical solutions for laminar flows.

Copyright © 2004 by ASME

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