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Effect of temperature dependent viscosity on biomagnetic fluid flow and heat transfer over a nonlinear stretching sheet

Author

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  • Md. Jahangir Alam

    (Department of Mathematics, Comilla University, Comilla, Bangladesh)

  • Md. Ghulam Murtaza

    (Department of Mathematics, Comilla University, Comilla, Bangladesh)

Abstract

This investigated the flow and heat transfer of two-dimensional biomagnetic fluid (blood) flow over a nonlinear stretching sheet in the presence of magnetic dipole. It is assumed that the magnetic field is sufficiently strong enough to saturate the ferrofluid and variation of magnetization with temperature can be approximated by a linear function of temperature difference. The fluid viscosity is assumed to vary as an inverse linear function of the temperature. The governing boundary layer equations with boundary conditions are simplified to couple higher-order equations using usual transformation. Numerical solutions are obtained by using bvp4c function technique in MATLAB software. The acquired results are shown graphically and were examined for several values of the dimensionless parameters. It is observed that for different values of the ferromagnetic interaction parameter and variable viscosity parameter, the velocity distribution decreases while temperature distribution increases. The magnitude of skin friction coefficient and the rate of heat transfer decrease with the increasing values of radiation parameter and Prandtl number. The results are also compared for specific values of the parameters with others documented in literature.

Suggested Citation

  • Md. Jahangir Alam & Md. Ghulam Murtaza, 2020. "Effect of temperature dependent viscosity on biomagnetic fluid flow and heat transfer over a nonlinear stretching sheet," Journal of Advances in Technology and Engineering Research, A/Professor Akbar A. Khatibi, vol. 6(1), pages 08-21.
    • Handle: RePEc:apb:jaterr:2020:p:08-21
    DOI: 10.20474/jater-6.1.2
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    1. Snatika Sarkar & Vijaya Ilango, 2016. "Improvement of Fuel Cell Performance by Application of Carbon Nanotubes," International Journal of Technology and Engineering Studies, PROF.IR.DR.Mohid Jailani Mohd Nor, vol. 2(6), pages 180-184.
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    Cited by:

    1. Alam, Jahangir & Murtaza, M.G. & Tzirtzilakis, E.E. & Ferdows, M., 2022. "Application of Biomagnetic Fluid Dynamics modeling for simulation of flow with magnetic particles and variable fluid properties over a stretching cylinder," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 199(C), pages 438-462.

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