The effect of conjugate heat transfer on MHD mixed convection about a vertical slender hollow cylinder |
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| Affiliation: | 1. School of Mechanical Engineering, Chongqing University of Technology, Chongqing, China;2. School of Optoelectronic Information, Chongqing University of Technology, Chongqing, China;1. Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL, USA;2. Advanced Development Group, General Electric Appliances Division, Louisville, KY, USA;3. Department of Mechanical Engineering, University of Louisville, Louisville, KY, USA |
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| Abstract: | The problem of steady laminar magnetohydrodynamic (MHD) mixed convection heat transfer about a vertical slender hollow cylinder is studied numerically, under the effect of wall conduction. A uniform magnetic field is applied perpendicular to the cylinder. The non-similar solutions using the Keller box method are obtained. The wall conduction parameter, the magnetic parameter and the Richardson number are the main parameters. For various values of these parameters the local skin friction and local heat transfer parameters are determined. The validity of the methodology is checked by comparing the results with those available in the open literature and a fairly good agreement is observed. Finally, it is determined that the local skin friction and the local heat transfer coefficients increase with an increase the magnetic parameter Mn and buoyancy parameter Ri and decrease with conjugate heat transfer parameter p. |
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