Heat Transfer in Magnetohydrodynamic Flow in an Entrance Section

[+] Author and Article Information
A. M. Dhanak

Michigan State University, East Lansing, Mich.

J. Heat Transfer 87(2), 231-236 (May 01, 1965) (6 pages) doi:10.1115/1.3689077 History: Received August 05, 1963


Based on the Kármán-Pohlhausen method and the associated iterative procedures developed herein the analysis shows that the presence of a transverse magnetic field in the entrance section of a channel has significant effects on the velocity and pressure distributions, and on the displacement and momentum thicknesses. The calculations further reveal that the heat transfer from the channel, in contrast with the flat plate case, increases with the Hartmann number. This increase is, however, significant only at high Prandtl numbers. The influence of Joulean dissipation appears to be negligible for a Joulean parameter up to 1.0 and at a Prandtl number of unity.

Copyright © 1965 by ASME
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