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Stability of natural convection of power-law fluid and non-Darcy flow in porous media.
- Source :
- Journal of Thermal Science; Mar2001, Vol. 10 Issue 1, p74-78, 5p
- Publication Year :
- 2001
-
Abstract
- In the present work the effect of the power law exponent of power-law fluid and non-Darcy number of non-Darcy flow on stability of natural convection in porous media are studied. The computation analysis of effect of power-law exponent of power-law fluid and non-Darcy number of non-Darcy flow in the rectangular duct on the transition Rayleigh number Ra*, which means the convective model transiting from stationary state to periodic solution. The duct has filled a porous medium saturated with the power-law non-Newtonian fluid or Newtonian fluid for non-Darcy flow, in which there is uniform internal heat generation per unit volume q. In this paper the relationship between the transition Rayleigh number Ra* and the power-law exponent n, Ra* and non-Darcy number Be, are shown. To these two aspects, the transition route from steady to chaotic convection is also obtained. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10032169
- Volume :
- 10
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- Journal of Thermal Science
- Publication Type :
- Academic Journal
- Accession number :
- 49674151
- Full Text :
- https://doi.org/10.1007/s11630-001-0013-x