Unsteady forced convection heat/mass transfer around two spheres in tandem at low Reynolds numbers |
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| Affiliation: | 1. Universidad de La Ciénega del Estado de Michoacán de Ocampo, Avenida Universidad 3000, Col. Lomas de la Universidad, C.P. 59103 Sahuayo, Mich., Mexico;2. Renewable Energy Institute, Universidad Nacional Autónoma de México, Privada Xochicalco s/n, C.P. 62580 Temixco, Mor., Mexico;1. RAPSODEE, Mines Albi, Route de Teillet, 81013 ALBI CT Cedex 09, France;2. Institut de Science des Matériaux de Mulhouse, UMR CNRS 7361, 15 rue Jean Starcky, 68057 Mulhouse Cedex, France |
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| Abstract: | This paper presents a computational study of the forced convection heat/mass transfer from two spheres placed in a uniform viscous flow parallel to their line of centers. The temperature/concentration inside the spheres are assumed spatially uniform but not constant in time. Axisymmetric, slow, viscous flow (Stokes flow) around the spheres was considered. The appropriate energy/chemical species balance equations were solved numerically in bispherical coordinates. The finite difference method was used to discretize the mathematical model equations. Various spheres spacing, sizes and physical properties were considered at moderate Pe numbers. |
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