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Cell models for micropolar flow past a viscous fluid sphere

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Abstract

The Stokes axisymmetrical flow of an incompressible micropolar fluid past a viscous fluid sphere and the flow of a viscous fluid past a micropolar fluid sphere are investigated. The appropriate boundary conditions are taken on the surface of the sphere, while the proper conditions applied on the fictitious boundary of the fluid envelope vary depending on the kind of cell-model. These problems are solved separately in an analytical fashion, and the velocity profile and the pressure distribution inside and outside of the droplet are shown in several graphs for different values of the parameters. Numerical results for the normalized hydrodynamic drag force acting, in each case, on the spherical droplet-in-cell are obtained for various values of the parameters representing volume fraction, the classical relative viscosity, the micropolarity and spin parameters are presented both in tabular and graphical forms. Results of the drag force are compared with the previous particular cases.

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Authors and Affiliations

  1. Department of Mathematics, Faculty of Science, Damanhour University, Damanhour, Egypt

    E. I. Saad

  2. Department of Mathematics, Faculty of Science, Shaqra University, Dawadmi, Saudi Arabia

    E. I. Saad

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  1. E. I. Saad
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Correspondence to E. I. Saad.

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Saad, E.I. Cell models for micropolar flow past a viscous fluid sphere. Meccanica 47, 2055–2068 (2012). https://doi.org/10.1007/s11012-012-9575-9

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  • DOI: https://doi.org/10.1007/s11012-012-9575-9

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