Dynamics of water conveying copper and alumina nanomaterials when viscous dissipation and thermal radiation are significant: Single‐phase model with multiple solutions

Because of thermal characteristics and the intention of improving heat transfer rate, the issue of hybrid nanofluid has become an intriguing subject for academicians and researchers in the contemporary technological period. This report presents the impacts of thermal radiation and viscous dissipatio...

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Published in:Mathematical methods in the applied sciences 2023-07, Vol.46 (10), p.11603-11617
Main Authors: Lund, Liaquat Ali, Wakif, Abderrahim, Omar, Zurni, Khan, Ilyas, Animasaun, Isaac Lare
Format: Article
Language:English
Subjects:
Aluminum oxide
Copper
Dissipation
duality
Heat transfer
hybrid nanofluid
Mathematical models
Nanofluids
Nanomaterials
Nonlinear differential equations
Ordinary differential equations
Parameters
Partial differential equations
Radiation
stability
Thermal radiation
viscous dissipation
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Summary:Because of thermal characteristics and the intention of improving heat transfer rate, the issue of hybrid nanofluid has become an intriguing subject for academicians and researchers in the contemporary technological period. This report presents the impacts of thermal radiation and viscous dissipation on the motion of the hybrid nanofluid of (Cu + Al2O3)‐H2O over a moving surface. The present flow model is simulated by a set of nonlinear partial differential equations (PDEs), which are converted into a system of ordinary differential equations (ODEs) by the appropriate similarity transformations. After that, the obtained ODEs are resolved numerically by bvp4c in MATLAB. The thermal radiation parameter has been shown to improve the rate of heat transfer and increase the temperature of the hybrid nanofluid (Cu + Al2O3)‐H2O. Moreover, two branches of solutions that depend on the stretching/shrinking parameter values are noticed. Furthermore, the stability results show that the upper branch can be used in practical applications, due to its stable nature.
ISSN:0170-4214
1099-1476
DOI:10.1002/mma.8270