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Investigation of Mhd Non-Newtonian Nanofluid Stagnation-Point Flow with Variable Transport Properties and Multislip Effects: An Application to Solar Radiation

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Abstract:

Heat and mass transfer performance of Casson nanofluid for both non-conducting (m=0), electrically conducting (m≠0) fluids with solar radiation effects in stagnation point flow is considered. In this model, entropy, irreversibility, and multi slip impacts over a shrinking, static, and stretching sheet are investigated. To minimize the energy used in the solar system, it is important to monitor the processes of heat and mass transfer in the solar radiation process. The slips boundary conditions acts as a closure of the fluid velocity, mass, and heat transfer differential equations. The equations obtained are solved numerically via Galerkin Weighted Residual Method (GWRM). In the limiting sense, the present results conform with the existing work. The Behaviors of the flow physical quantities, temperature, concentration, and velocity for distinct values of the applicable dimensionless numbers are demonstrated with tables and graphs. The results reveal that, for a theoretical account of thermal boundary layers, Prandtl number serves as a variable. Furthermore, higher values of variable thermal conductivity have a significant influence on the skin friction coefficient than the case of constant variable thermal conductivity even when the fluid viscosity is assumed to be variable. The structure of the new method can be applied to the development of oil production.

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Periodical:

Defect and Diffusion Forum (Volume 423)

Pages:

69-88

DOI:

https://doi.org/10.4028/p-kzzvm1

Citation:

Cite this paper

Online since:

April 2023

Authors:

Christopher Bode Odetunde, Adebowale Martins Obalalu*, Olalekan Adebayo Olayemi, Olusegun Adebayo Ajala, Abdulrazaq Abdulraheemi, Olayinka Ibraheem Atobatele

Keywords:

Entropy Generation, Galerkin Weighted Residual Method, Multislips, Solar Radiation, Stagnation Point Flow

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© 2023 Trans Tech Publications Ltd. All Rights Reserved

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