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Dynamics of Melting Heat Transfer of a Micropolar Nanofluid over an Electromagnetic Actuator with Irregular Thickness and Non-uniform Heat Source

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Abstract

In the current investigation, the mechanism of melting heat propagation in the motion of micropolar fluid is considered over a stretchy electromagnetic actuator (Riga plate) with irregular sheet thickness. The fluid contains tiny nanoparticles in the presence of uneven heat source, radiation, thermo-migration and haphazard movement of the tiny particles coupled with variable heat conductivity. The developed transport equations are numerically tackled by means of Pseudo-spectral method after being simplified from partial to ordinary derivatives. The contributions of the different physical terms emanating from the main equations are communicated via graphs and tables to demonstrate their impact on the dimensionless quantities. Findings reveal that heat transfer at the solid–fluid interface upsurges with the enhancement of thermal radiation, surface thickness and heat source parameters but growth in the melting term prevents propagation of heat at the surface. In addition, the surface drag factor depreciates with higher material term, modified Hartmann number together with the surface thickness parameter whereas the power law exponent strengthens the friction coefficient.

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Authors and Affiliations

  1. Department of Mathematics and Statistics, Federal Polytechnic, Ilaro, Nigeria

    E. O. Fatunmbi

  2. Department of Mathematics, Federal College of Education, Iwo, Nigeria

    A. T. Adeosun

  3. Department of Mathematics, Bowen University, Iwo, Nigeria

    S. O. Salawu

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  1. E. O. Fatunmbi
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  2. A. T. Adeosun
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  3. S. O. Salawu
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E.O.F.: Conceived and designed the analysis A.T.A.: Analyzed and interpreted the data S.O.S.: Contributed analysis tools and wrote the paper.

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Correspondence to S. O. Salawu.

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Fatunmbi, E.O., Adeosun, A.T. & Salawu, S.O. Dynamics of Melting Heat Transfer of a Micropolar Nanofluid over an Electromagnetic Actuator with Irregular Thickness and Non-uniform Heat Source. Int. J. Appl. Comput. Math 9, 45 (2023). https://doi.org/10.1007/s40819-023-01526-2

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