This paper concerns the study of the influence of an external magnetic field on the reverse flow occurring in the steady mixed convection of two Newtonian immiscible fluids filling a vertical channel under the Oberbeck–Boussinesq approximation. The two isothermal boundaries are kept either at different or at equal temperatures. The velocity, the temperature, and the induced magnetic field are obtained analytically. The results are presented graphically and discussed for various values of the parameters involved in the problem (in particular, the Hartmann number and the buoyancy coefficient) and are compared with those for a single Newtonian fluid. The occurrence of the reverse flow is explained and carefully studied.
Reverse Flow in Magnetoconvection of Two Immiscible Fluids in a Vertical Channel
Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received November 16, 2016; final manuscript received May 2, 2017; published online July 10, 2017. Assoc. Editor: Shizhi Qian.
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Borrelli, A., Giantesio, G., and Patria, M. C. (July 10, 2017). "Reverse Flow in Magnetoconvection of Two Immiscible Fluids in a Vertical Channel." ASME. J. Fluids Eng. October 2017; 139(10): 101203. doi: https://doi.org/10.1115/1.4036670
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