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Abstrakty
The unsteady magnetohydrodynamic flow of two immiscible fluids in a horizontal channel bounded by two parallel porous isothermal plates in the presence of an applied magnetic and electric field is investigated. The flow is driven by a constant uniform pressure gradient in the channel bounded by two parallel insulating plates, one being stationary and the other oscillating, when both fluids are considered as electrically conducting. Also, both fluids are assumed to be incompressible with variable properties, viz. different viscosities, thermal and electrical conductivities. The transport properties of the two fluids are taken to be constant and the bounding plates are maintained at constant and equal temperatures. The governing equations are partial in nature, which are then reduced to the ordinary linear differential equations using two-term series. Closed form solutions for velocity and temperature distributions are obtained in both fluid regions of the channel. Profiles of these solutions are plotted to discuss the effect on the flow and heat transfer characteristics, and their dependence on the governing parameters involved, such as the Hartmann number, porous parameter, ratios of the viscosities, heights, electrical and thermal conductivities.
Rocznik
Tom
Strony
699--726
Opis fizyczny
Bibliogr. 36 poz., wykr.
Twórcy
autor
- Department of Engineering Mathematics Andhra University College of Engineering (A) Visakhapatnam, Pin code: 530 003, India
autor
- Department of Engineering Mathematics Andhra University College of Engineering (A) Visakhapatnam, Pin code: 530 003, India
Bibliografia
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- Umavathi J.C., Abdul Mateen, Chamkha A.J. and Al-Mudhaf A. (2006): Oscillatory Hartmann two-fluid flow and heat transfer in a horizontal channel. – Int. J. of Applied Mechanics and Engineering, vol.11, No.1, pp.155-178.
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-f4ebd45f-53a6-4e7c-bf9b-b3d4345ecd17