Numerical study of magneto-fluid-mechanic combined free-and-forced convection heat transfer
Al-Khawaja, Mohammed J. Agarwal, Ramesh K. Gardner, Richard A.
Al-Khawaja, Mohammed J.
Agarwal, Ramesh K.
Gardner, Richard A.
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1999-02-01
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Article
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Keywords
Forced convection,Heat transfer,Natural convection,Forced convection,Heat transfer,Natural convection
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Citation
M.J Al-Khawaja, R.K Agarwal, R.A Gardner,Numerical study of magneto-fluid-mechanic combined free-and-forced convection heat transfer,International Journal of Heat and Mass Transfer,Volume 42, Issue 3,1999,Pages 467-475,ISSN 0017-9310,https://doi.org/10.1016/S0017-9310(98)00172-0.
Abstract
Fully-developed, laminar, steady, free-and-forced convection heat transfer in an electrically-conducting fluid flowing in an electrically-insulated, horizontal, circular pipe (with its wall subjected to a uniform heat flux) in a vertical, uniform, transverse magnetic field was solved numerically using several finite difference schemes for Grashof numbers from 0 to 106 and Hartmann numbers from 0 to 500. For high Hartmann numbers, a refinement of the mesh in the radial direction was necessary in the Hartmann boundary layer and relaxation techniques were needed to have a convergent solution. Velocity profiles, temperature profiles and local and average Nusselt numbers are reported for combined free-and-forced convection. © 2004 Elsevier Science B.V., Amsterdam. All rights reserved.
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Publisher
Pergamon
Journal
International Journal of Heat and Mass Transfer
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ISSN
00179310