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Magnetic field effect on mixed convection in a lid-driven square cavity filled with nanofluids

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Abstract

A numerical investigation of laminar mixed convection heat transfer in a lid-driven cavity filled with nanofluid under the influence of a magnetic field is executed. The left and right vertical walls of the cavity are insulated while the top and bottom horizontal walls are kept constant but different temperatures. The top wall is moving on its own plane at a constant speed while other walls are fixed. A uniform magnetic field is applied in the vertical direction normal to the moving wall. The governing differential equations are discretised by the control volume approach and the coupling between velocity and pressure is solved using the SIMPLE algorithm. The heat and mass transfer mechanisms and the flow characteristics inside the cavity depended strongly on the strength of the magnetic field. A comparison is also presented between the results obtained from the Maxwell and modified Maxwell models. The results show that the heat transfer is generally higher based on the modified Maxwell model.

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Authors and Affiliations

  1. Department of Applied Mathematics, Bharathiar University, Coimbatore, 641046, India

    M. Muthtamilselvan

  2. College of Engineering, Division of Mechanical and Energy Systems Engineering, Korea Maritime University, Busan, 606-791, Korea

    Deog-Hee Doh

Authors
  1. M. Muthtamilselvan
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  2. Deog-Hee Doh
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Correspondence to M. Muthtamilselvan.

Additional information

Recommended by Associate Editor Gihun Son

M. Muthtamilselvan received his Ph.D. in 2008 from the Department of Mathematics, Bharathiar University, India. He is currently an assistant professor at the Department of Applied Mathematics, Bharathiar University. His research interests are Computational Fluid Dynamics, Convection of nanofluids, Boundary layer theory.

Deog Hee Doh received the B.S. and M.S. degrees in the Department of Marine Engineering from Korea Maritime University (KMU) in 1985 and 1988, respectively. He then received the Ph.D. degree from Tokyo Univeristy, Japan, in 1995. He is currently a professor in the Division of Mech. and Energy Systems Engineering, KMU. His main research areas are Flow Visualizations, and Marine and Offshore Machinery.

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Muthtamilselvan, M., Doh, DH. Magnetic field effect on mixed convection in a lid-driven square cavity filled with nanofluids. J Mech Sci Technol 28, 137–143 (2014). https://doi.org/10.1007/s12206-013-0953-6

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  • DOI: https://doi.org/10.1007/s12206-013-0953-6

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