Onset of convection in an anisotropic porous medium heated from below by a constant heat flux

被引:12
作者
Mamou, M [1 ]
Mahidjiba, A [1 ]
Vasseur, P [1 ]
Robillard, L [1 ]
机构
[1] Ecole Polytech, Montreal, PQ H3C 3A7, Canada
关键词
D O I
10.1016/S0735-1933(98)00066-9
中图分类号
O414.1 [热力学];
学科分类号
摘要
In this paper, the onset of convection in a horizontal porous layer, heated from below and cooled at the top with a constant heat flux, is investigated. The porous medium is assumed to be anisotropic in permeability with its principal axes arbitrary oriented with respect to the gravity vector. The critical Rayleigh number and wavenumber at marginal stability are calculated. (C) 1998 Elsevier Science Ltd.
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页码:799 / 808
页数:10
相关论文
共 12 条
[1]  
[Anonymous], 1975, REV GEN THERM
[2]  
[Anonymous], 1968, WATER RESOUR RES, DOI DOI 10.1029/WR004I003P00553
[3]  
Castinel G., 1975, REV THERM, V168, P937
[4]  
MAMOU M, 1998, IN PRESS INT J HEAT
[6]  
NIELSEN T, 1990, J HEAT TRANSFER, V112, P396
[7]   NATURAL-CONVECTION IN A HORIZONTAL POROUS LAYER WITH ANISOTROPIC THERMAL-DIFFUSIVITY [J].
STORESLETTEN, L .
TRANSPORT IN POROUS MEDIA, 1993, 12 (01) :19-29
[8]   ONSET OF CONVECTION IN AN ANISOTROPIC POROUS-MEDIUM WITH OBLIQUE PRINCIPAL AXES [J].
TYVAND, PA ;
STORESLETTEN, L .
JOURNAL OF FLUID MECHANICS, 1991, 226 :371-382
[9]   HEAT DISPERSION EFFECT ON THERMAL-CONVECTION IN ANISOTROPIC POROUS-MEDIA [J].
TYVAND, PA .
JOURNAL OF HYDROLOGY, 1977, 34 (3-4) :335-342
[10]   NATURAL-CONVECTION IN A THIN, INCLINED, POROUS LAYER EXPOSED TO A CONSTANT HEAT-FLUX [J].
VASSEUR, P ;
SATISH, MG ;
ROBILLARD, L .
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 1987, 30 (03) :537-549