Unsteady magnetohydrodynamic free convection flow of Al2O3–Cu/water nanofluid over a permeable linear stretching sheet through a porous medium with viscous dissipation and heat source/sink

Joel Mathews; Hymavathi Talla

doi:10.14744/thermal.0000919

Unsteady magnetohydrodynamic free convection flow of Al2O3–Cu/water nanofluid over a permeable linear stretching sheet through a porous medium with viscous dissipation and heat source/sink

Abstract

This paper examines the effect of Copper and Aluminium oxide nanoparticles on the MHD water-based flow over a permeable linearly stretching sheet through a porous medium. The objective of the present work is to exhibit the impact of magnetic field, viscous dissipation, thermal radiation, and heat source/sink with the metallic and oxide nanoparticles due to permeable stretching sheet. The significance of a new advanced nanofluid with two kinds of nanoparticle materials (Copper and Aluminium oxide) stems from the fact that in the design of various equipment, such as nuclear power plants, gas turbines, propulsion devices for aircraft, missiles, etc. Similarity variables were used to transform the nonlinear partial differential equations into ordinary differential equations. To solve the obtained ODEs, the MATLAB bvp4c solver is used. The behavior of velocity and temperature profiles is discussed through graphs. Also, the physical quantities, such as Skin friction coefficient and Nusselt number, for both fluids are calculated and presented via tables. We have compared the velocity profiles of nanofluids and pure fluid and observed that Copper and Alumina nanofluids perform more efficiently than the base fluid. Moreover, the numerical results are compared with the existing results and found to have good accuracy with the present results.

Keywords

References

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Details

Primary Language

English

Subjects

Fluid Mechanics and Thermal Engineering (Other)

Journal Section

Research Article

Authors

Joel Mathews ^* This is me
0000-0002-9919-222X
India

Hymavathi Talla This is me
0000-0003-2898-522X
India

Publication Date

March 24, 2025

Submission Date

April 13, 2024

Acceptance Date

July 24, 2024

Published in Issue

Year 2025 Volume: 11 Number: 2

DOI

https://doi.org/10.14744/thermal.0000919

IZ

https://izlik.org/JA38GJ62WW

Cite

RIS / Bibtex

APA

Mathews, J., & Talla, H. (2025). Unsteady magnetohydrodynamic free convection flow of Al2O3–Cu/water nanofluid over a permeable linear stretching sheet through a porous medium with viscous dissipation and heat source/sink. Journal of Thermal Engineering, 11(2), 344-356. https://doi.org/10.14744/thermal.0000919

AMA

1.Mathews J, Talla H. Unsteady magnetohydrodynamic free convection flow of Al2O3–Cu/water nanofluid over a permeable linear stretching sheet through a porous medium with viscous dissipation and heat source/sink. Journal of Thermal Engineering. 2025;11(2):344-356. doi:10.14744/thermal.0000919

Chicago

Mathews, Joel, and Hymavathi Talla. 2025. “Unsteady Magnetohydrodynamic Free Convection Flow of Al2O3–Cu Water Nanofluid over a Permeable Linear Stretching Sheet through a Porous Medium With Viscous Dissipation and Heat Source Sink”. Journal of Thermal Engineering 11 (2): 344-56. https://doi.org/10.14744/thermal.0000919.

EndNote

Mathews J, Talla H (March 1, 2025) Unsteady magnetohydrodynamic free convection flow of Al2O3–Cu/water nanofluid over a permeable linear stretching sheet through a porous medium with viscous dissipation and heat source/sink. Journal of Thermal Engineering 11 2 344–356.

IEEE

[1]J. Mathews and H. Talla, “Unsteady magnetohydrodynamic free convection flow of Al2O3–Cu/water nanofluid over a permeable linear stretching sheet through a porous medium with viscous dissipation and heat source/sink”, Journal of Thermal Engineering, vol. 11, no. 2, pp. 344–356, Mar. 2025, doi: 10.14744/thermal.0000919.

ISNAD

Mathews, Joel - Talla, Hymavathi. “Unsteady Magnetohydrodynamic Free Convection Flow of Al2O3–Cu Water Nanofluid over a Permeable Linear Stretching Sheet through a Porous Medium With Viscous Dissipation and Heat Source Sink”. Journal of Thermal Engineering 11/2 (March 1, 2025): 344-356. https://doi.org/10.14744/thermal.0000919.

JAMA

1.Mathews J, Talla H. Unsteady magnetohydrodynamic free convection flow of Al2O3–Cu/water nanofluid over a permeable linear stretching sheet through a porous medium with viscous dissipation and heat source/sink. Journal of Thermal Engineering. 2025;11:344–356.

MLA

Mathews, Joel, and Hymavathi Talla. “Unsteady Magnetohydrodynamic Free Convection Flow of Al2O3–Cu Water Nanofluid over a Permeable Linear Stretching Sheet through a Porous Medium With Viscous Dissipation and Heat Source Sink”. Journal of Thermal Engineering, vol. 11, no. 2, Mar. 2025, pp. 344-56, doi:10.14744/thermal.0000919.

Vancouver

1.Joel Mathews, Hymavathi Talla. Unsteady magnetohydrodynamic free convection flow of Al2O3–Cu/water nanofluid over a permeable linear stretching sheet through a porous medium with viscous dissipation and heat source/sink. Journal of Thermal Engineering. 2025 Mar. 1;11(2):344-56. doi:10.14744/thermal.0000919