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Abstrakty
Magnetohydrodynamic fully developed mixed convection flow of a viscous incompressible electrically conducting fluid confined to a vertical channel with asymmetric heating of the wall, is studied. It has been shown that a reversed flow occurs due to asymmetric heating of the wall when the magnitude of the buoyancy parameter Gr exceeds a certain threshold value. The limiting cases of the MHD free and forced convection flow are analysed. A qualitative discussion for the occurrence of a flow reversal is given in this paper. It is interesting to note that in the higher buoyancy the bulk temperature of the MHD flow exceeds the value 1 when rT < 1.
Rocznik
Tom
Strony
1211--1228
Opis fizyczny
Bibliogr. 8 poz., tab., wykr.
Twórcy
autor
- Department of Mathematics, Narajole Raj College P.O. Narajole, Dist.: Midnapore, west Bengal, INDIA
autor
- Faculty of Mathematics, university of Cluj R-3400 Cluj, CP 253 ROMANIA
autor
- Department of Applied Mathematics Vidyasagar University, Midnapore, INDIA
Bibliografia
- [1] Aung W. and Worku G. (1986): Theory of fully developed, combined convection including flow reversal. - J. Heat Transfer., vol.108, pp.485-488.
- [2] Aziz A. and Na T.Y. (1984): Perturbation Methods in Heat Transfer. - Washington, D.C.: Hemisphere Publishing Corp.
- [3] Cebeci T. and Bradshaw P. (1984): Physical and Computational Aspects of Convective Heat Transfer. - New York: Springer-Verlag, pp.273.
- [4] Ghosh S.K. (1993): Unsteady hydromagnetic flow in a rotating channel with oscillating pressure gradient. - J. Phys. Soc. Japan., vol.62, No.l 1, pp.3893-3903.
- [5] Ghosh S.K. (2002): Effects of Hall current on MHD Couette flow in a rotating system with arbitrary magnetic field. - Czech. J. Phys., vol.52, No.l, pp.51-63.
- [6] Ghosh S.K. and Bhattacharjee P.K. (2000): Magnetohydrodynamic convective flow in a rotating channel. - Arch. Mech., vol.52, No.2, pp.303-318.
- [7] Ghosh S.K. and Nandi D.K. (2000): Magnetohydrodynamic fully developed combined convection flow between vertical plates heated asymmetrically. - J. Tech. Phys., vol.41, No.2, pp. 173-185.
- [8] Pop I., Ghosh S.K. and Nandi D.K. (2001): Effects of Hall current on free and forced convective flow in a rotating channel in the presence of inclined magnetic field. - Magnetohydrodynamics, vol.37, No.4, pp.348-359.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ2-0001-0064