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TECHNICAL PAPERS

Magnetohydrodynamics-Mixed Convection From Radiate Vertical Isothermal Surface Embedded in a Saturated Porous Media

[+] Author and Article Information
Rebhi A. Damseh

Mechanical Engineering Department, Alhuson University College, Albalqa Applied University, P. O. Box 50 Irbid 009612, Jordanrdamseh@yahoo.com

J. Appl. Mech 73(1), 54-59 (Apr 20, 2005) (6 pages) doi:10.1115/1.1991863 History: Received June 02, 2004; Revised April 20, 2005

The magnetohydrodynamics-mixed convection heat transfer problem from a vertical surface embedded in a porous media is studied. The effects of transverse magnetic field and radiation heat transfer are examined. Both cases of the mixed convection heat transfer problem, namely: the buoyancy aiding flow and the buoyancy opposing flow are investigated. It is found that three dimensionless groups can describe the problem under consideration, the mixed convection parameter ζ, the radiation-conduction parameter Rd, and the magnetic field number Hax2Rex. Different velocity profiles, temperature profiles, and the local Nusselt number variations are also drawn.

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Copyright © 2006 by American Society of Mechanical Engineers
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Figures

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Figure 1

Flow model and coordinate system

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Figure 2

Dimensionless velocity profiles for different ζ

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Figure 3

Dimensionless temperature profiles for different ζ

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Figure 4

Dimensionless velocity profiles for different ε

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Figure 5

Dimensionless temperature profiles for different ε

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Figure 6

Dimensionless velocity profiles for different Rd

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Figure 7

Dimensionless temperature profiles for different Rd

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Figure 8

Dimensionless velocity profiles for different Hax2∕Rex

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Figure 9

Dimensionless temperature profiles for different Hax2∕Rex

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Figure 10

Local Nusselt number variations for different ε

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Figure 11

Local Nusselt number variations for different Rd

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Figure 12

Local Nusselt number variations for different Hax2∕Rex

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