Numerical Investigation for Nonlinear Thermal Radiation in MHD Cu–Water Nanofluid Flow in a Channel with Convective Boundary Conditions

Tunde Abdulkadir Yusuf (), Adeshina Taofeeq Adeosun, Victor Olajide Akinsola, Ramoshweu Solomon Lebelo and Oluwadamilare Joseph Akinremi
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Tunde Abdulkadir Yusuf: Department of Mathematics, Adeleke University, Ede 232104, Nigeria
Adeshina Taofeeq Adeosun: Department of Mathematics, Federal College of Education, Iwo 232102, Nigeria
Victor Olajide Akinsola: Department of Mathematics, Adeleke University, Ede 232104, Nigeria
Ramoshweu Solomon Lebelo: Education Department, Vaal University of Technology, Vanderbijlpark 1911, South Africa
Oluwadamilare Joseph Akinremi: Department of Mathematics, Landmark University, Omu-Aran 251103, Nigeria

Mathematics, 2023, vol. 11, issue 15, 1-16

Abstract: The implications of nonlinear thermal radiation on a Cu–water nanofluid flow with varying viscosity characteristics and convective boundary conditions are investigated numerically in this article. The nonlinear model takes the combined effects of Joule dissipation and Ohmic heating into consideration. The Spectral Local Linearization Method (SLLM) is used to address the nonlinear governing model. The numerical investigation’s findings were conducted and compared with the existing study. In Cu–water nanofluid flows with variable viscosity and convective boundary conditions, nonlinear thermal radiation plays an important role, as this work insightfully demonstrates. Pertinent results for velocity, temperature, skin friction, and heat transfer rate are displayed graphically and discussed quantitatively with respect to various parameters embedded in the model. The results revealed that the Cu–water thermal distribution lessens as the nanoparticle volume fraction upsurges. The outcomes of this study have potential applications in industrial systems such as power plants, cooling systems, and climate control systems.

Keywords: water-copper nanoparticles; permeable channel; variable viscosity; nonlinear radiative heat flux; convective boundary conditions; numerical method (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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