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Influence of a vertical uniform external magnetic field on thermomagnetic convection in a square cavity.
M. S. Krakov1
- I. V. Nikiforov2
1 Belarussian State Polytechnic Academy, Minsk, 220027, Belarus
2 Belarussian State University, Minsk, 220050, Belarus
Magnetohydrodynamics 37, No. 4, 366-372, 2001 [PDF, 0.25 Mb]
The natural convection in magnetic fluids under a gradient magnetic field is now studied in more detail. Main attention is paid to the influence of a uniform magnetic field. It is shown that in a square cavity the competition between gravity convection and thermomagnetic convection can lead to a complicated dependence of a heat flux through the cavity on the magnetic field: the magnetic field can both enhance and depress heat transfer. The numerical simulation has shown that the convective flow in the square cavity can have either one-cell or two-cell structures, and the competition between these structures defines the resulting heat flux. Figs 7, Refs 7.
Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X