Entropy generation on magneto-hydro-dynamics Eyring-Powell hybrid nanofluid flow over a curved stretching sheet with shape factors and the Cattaneo-Christov heat flux model: A comparative study

Document Type : Research Article

Authors

1 Department of Mathematics, School of Advanced Sciences (SAS), Vellore Institute of Technology (VIT), Vellore, India.

2 Present address: Department of Mathematics, St. Peter's Engineering College, Medchal, Dhulapally, Hyderabad, Telangana, India.

10.24200/sci.2024.61292.7237

Abstract

This article focuses on the influence of the shape factor of entropy generation on the Magneto-Hydro- Dynamics (MHD) flow of an Eyring-Powell hybrid nanofluid past a permeable, curved stretched sheet with Cattaneo-Christov heat flux. Using the Homotopy Perturbation Method (HPM) and the shooting method, the governing nonlinear coupled Partial Differential Equations (PDEs) are converted into Ordinary Differential Equations (ODEs) with similarity variables and solved (Runge-Kutta (R-K) 4th order). Magnetic field (M), mixed convection (λ), Eyring-Powell fluid, thermal relaxation ( ), curvature, and thermal radiation are studied and represented in terms of velocity, temperature, entropy production, Bejan number, heat transfer, and coefficients of skin friction. To compare outcomes, we employ the HPM. The HPM produces more precise and reliable results than the numerical method. When M affected the hybrid nanofluid as it increased over a curved stretching sheet, the velocity profile decreased. In actuality, the Lorentz force increases as the M value increases. In the presence of a curved stretching sheet, the velocity profile also decreases as a result of increased magnetic parameters. In the three shapes, the temperature profile rises with increasing thermal radiation values. This model is utilized in biological applications such as Magnetic Resonance Imaging (MRI), Radio-Frequency Ablation (RFA), and cancer therapy.

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References

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Scientia Iranica
Volume 32, Issue 14
Transactions on Mechanical Engineering
July and August 2025 Article ID:7237

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History

  • Receive Date: 17 October 2022
  • Revise Date: 01 March 2023
  • Accept Date: 17 January 2024

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