New Similarity Solutions for Boundary-Layer Flow on a Horizontal Surface in a Porous Medium

被引：0
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作者：
E. Magyari
I. Pop
B. Keller
机构：
[1] Swiss Federal Institute of Technology (ETH) Zürich,Chair of Physics of Buildings, Institute of Building Technology
[2] University of Cluj,I. Pop, Faculty of Mathematics
来源：
Transport in Porous Media | 2003年 / 51卷
关键词：
forced convection; free convection; mixed convection; boundary layers; permeable horizontal surfaces; similarity solutions; suction; injection; heat transfer; fluid saturated porous media;
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摘要：
New similarity solutions for free, forced, and mixed convection boundary-layer flow on a permeable horizontal surface embedded in a fluid-saturated porous medium are presented in this paper. Analytical solutions have been obtained for some specific velocity and temperature profiles. The generic case corresponding to a 1/x-type distribution of both the wall temperature and the outer velocity is discussed in detail. In the plane (U, γ) defined by the mixed convection parameter U and the suction/injection parameter γ, the existence domain of physical solutions is identified and the main characteristics (wall temperature gradients, decay rates, uniqueness, multiplicity, etc.) of these solutions are investigated systematically.
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页码：123 / 140
页数：17
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