Magnetohydrodynamic (MHD) Flow in a Channel Including a Rotating Cylinder

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Mobadersani F.; Bahjat S.

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Journal Paper

Paper Information

Journal: International Journal of Engineering Year:2021 | Volume:34 | Issue:1 Page(s): 224-233

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Information Journal Paper

Title

Magnetohydrodynamic (MHD) Flow in a Channel Including a Rotating Cylinder

Author(s)

Mobadersani F. | Bahjat S. | Issue Writer Certificate

Keywords

Nanofluid

heat transfer

magnetohydrodynamics

Finite Element

Rotational Cylinder

Abstract

heat transfer analysis in channels and enclosures has significant attention nowadays. In the present work, fluid flow and heat transfer of a vertical channel consisting of a rotating cylinder utilizing Nanofluid have been studied, numerically. Uniform magnetic field has been applied to the fluid field. Different cylinder rotation directions, Hartmann number and rotational velocity of cylinder configurations have been considered. The results indicate that by increasing the Hartmann number, for low values of non-dimensional angular velocity the average Nusselt number increases. In addition, in higher Hartmann numbers, the average Nusselt number does not change remarkably with non-dimensional angular velocity. Furthermore, studying lift and drag coefficients demonstrate that in a constant Hartmann number, the highest drag coefficient takes place in maximum cylinder angular velocity. Additionally, almost uniform distribution of drag coefficient can be seen in higher Hartmann numbers. The numerical results have been compared with the previously reported results. This comparison illustrates excellent agreement between them.

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