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Analysis of a Stagnation Point Flow with Hybrid Nanoparticles over a Porous Medium

U. S. Mahabaleshwar1, T. Anusha1 and M. Hatami2,*

1 Department of Mathematics, Davangere University, Shivagangothri, Davangere, India
2 Department of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, Iran

* Corresponding Authors: M. Hatami. Email: email; email

Fluid Dynamics & Materials Processing 2023, 19(2), 541-567. https://doi.org/10.32604/fdmp.2022.022002

Abstract

The unsteady stagnation-point flow of a hybrid nanofluid over a stretching/shrinking sheet embedded in a porous medium with mass transpiration and chemical reactions is considered. The momentum and mass transfer problems are combined to form a system of partial differential equations, which is converted into a set of ordinary differential equations via similarity transformation. These ordinary differential equations are solved analytically to obtain the solution for velocity and concentration profiles in exponential and hypergeometric forms, respectively. The concentration profile is obtained for four different cases namely constant wall concentration, uniform mass flux, general power law wall con-centration and general power law mass flux. The effect of different physical parameters such as Darcy number (Da-1), mass transpiration parameter (VC), stretching/shrinking parameter (d), chemical reaction parameter (β) and Schmidt number (SC) velocity and concentration profile is examined. Results show that, the axial velocity will decreases as the shrinking sheet parameter increases, regardless of whether the suction or injection case is examined. The concentration decreases with an increase in the shrinking sheet parameter and the chemical reaction rate parameter.

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APA Style
Mahabaleshwar, U.S., Hatami, T.A.A.M. (2023). Analysis of a stagnation point flow with hybrid nanoparticles over a porous medium. Fluid Dynamics & Materials Processing, 19(2), 541-567. https://doi.org/10.32604/fdmp.2022.022002
Vancouver Style
Mahabaleshwar US, Hatami TAAM. Analysis of a stagnation point flow with hybrid nanoparticles over a porous medium. Fluid Dyn Mater Proc. 2023;19(2):541-567 https://doi.org/10.32604/fdmp.2022.022002
IEEE Style
U.S. Mahabaleshwar and T.A.A.M. Hatami, "Analysis of a Stagnation Point Flow with Hybrid Nanoparticles over a Porous Medium," Fluid Dyn. Mater. Proc., vol. 19, no. 2, pp. 541-567. 2023. https://doi.org/10.32604/fdmp.2022.022002



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This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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