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MHD‐Buoyancy Aiding and Opposing Flows with Viscous Dissipation Effects from Radiate Vertical Surfaces
Author(s) -
Duwairi H. M.,
Damseh Rebhi A.
Publication year - 2004
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450820322
Subject(s) - buoyancy , nusselt number , mechanics , natural convection , dimensionless quantity , heat transfer , magnetohydrodynamics , combined forced and natural convection , physics , forced convection , eckert number , thermal conduction , classical mechanics , thermodynamics , magnetic field , reynolds number , turbulence , quantum mechanics
The combined effects of forced and natural convection heat transfer in the presence of transverse magnetic field form a vertical surfaces with radiation heat transfer is studied. The buoyancy aided flow and the buoyancy opposing flows are investigated with viscous dissipation effects included in the governing equations. It is found that four parameters can describe the problem under consideration, the mixed parameter, χ, the radiation‐conduction parameter, R d , the magnetic field parameter, Ha 2 x /Re x , and the Eckert number, Ec . The local wall shear stresses and the local Nusselt number variations are drawn for different dimensionless groups.