Convection in Magnetic Fluids With Internal Heat Generation

[+] Author and Article Information
N. Rudraiah, G. N. Sekhar

UGC-DSA Centre in Fluid Mechanics, Department of Mathematics, Central College, Bangalore University, Bangalore, India

J. Heat Transfer 113(1), 122-127 (Feb 01, 1991) (6 pages) doi:10.1115/1.2910514 History: Received November 08, 1988; Revised February 06, 1990; Online May 23, 2008


The effect of a uniform distribution of heat source on the onset of stationary convection in a horizontal Boussinesq magnetic fluid layer bounded by isothermal nonmagnetic boundaries is investigated. Solutions are obtained using a higher order Galerkin expansion technique, considering different isothermal boundary combinations (rigid-rigid, rigid-free, and free-free). It is found that the effect of internal magnetic number, due to a heat source, is to make the system more unstable. The results obtained, in the limiting cases, compare well with the existing literature.

Copyright © 1991 by The American Society of Mechanical Engineers
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