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Entropy Generation Minimization for Radiative Casson Fluid Flow through Permeable Walls and Convective Heating: A Comprehensive Numerical Investigation
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Entropy Generation Minimization for Radiative Casson Fluid Flow through Permeable Walls and Convective Heating: A Comprehensive Numerical Investigation

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Abstract:

Entropy generation minimization is a method that helps to improve the efficiency of real processes and devices. This study investigates the heat transfer in an electrically conducting Casson fluid flow between parallel plates under the influence of thermal radiation and convective boundary conditions. The thermodynamics first and second laws were employed to examine the problem. The present study provides a fast convergent method on the finite parallel plates, namely the Optimal Homotopy Analysis method (OHAM) and Collocation Method (CM) are used to analyzes the fluid flow, heat, transport. The impacts of governing parameters on Casson flow velocity, temperature profile, local skin friction, and Nusselt number were analysed. The obtained solutions were used to determine the heat transfer irreversibility and bejan number of the model. The method employed in this paper offers excellently convergence solutions with good accuracy. The results of the computation show that the effect of thermophysical properties such as thermal radiation parameter, suction/injection parameter, magnetic field parameter, radiation parameter, and Eckert number has a significant influence on Skin friction coefficient (Cf) and local Nusselt number (Nu) when compared to the Newtonian fluid. The application of this work can be found in polymer synthesis, metallic processing, and electromagnetic crucible systems.

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Defect and Diffusion Forum Vol. 415 View Preview

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Periodical:

Defect and Diffusion Forum (Volume 415)

Pages:

21-38

DOI:

https://doi.org/10.4028/p-o04545

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Online since:

April 2022

Authors:

Adebowale Martins Obalalu*, Adebayo Olusegun Ajala, Akintayo Oladimeji Akindele, Oluwasanjo Adisa Areo, Saheed Dolapo Ogundiran, Kafilat Adebimpe Salaudeen, Saheed Alao

Keywords:

Casson Liquid, Collocation Method, Entropy Generation Minimization (EGM), Optimal Homotopy Analysis Method (OHAM), Thermal Radiation

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