Free convection in a square porous cavity using a thermal nonequilibrium model


BAYTAŞ A. C., Pop I.

International Journal of Thermal Sciences, vol.41, no.9, pp.861-870, 2002 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 41 Issue: 9
  • Publication Date: 2002
  • Doi Number: 10.1016/s1290-0729(02)01379-0
  • Journal Name: International Journal of Thermal Sciences
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.861-870
  • Keywords: Free convection, Numerical study, Porous medium in nonequilibrium, Square cavity
  • Istanbul Gelisim University Affiliated: Yes

Abstract

Two-dimensional steady free convection in a square cavity bounded by isothermal vertical walls at different temperatures and adiabatic horizontal walls has been studied numerically by adopting a two-temperature model of heat transfer. Such a model, which allows the fluid and solid phases not to be in local thermal equilibrium, is found to modify the flow behaviour and heat transfer rates. Knowledge of this behaviour is important for the design of thermal insulation systems and other practical applications. As far as we know, this problem has not yet been studied in the available literature. © 2002 Éditions scientifiques et médicales Elsevier SAS. All rights reserved.