A Computational Study on the Radiative Thermal Transport of Nanofluids Past a Stretching Boundary

Authors

  • Hanafi A Rahim Faculty of Computer Science and Mathematics, Universiti Malaysia Terengganu, Terengganu, Malaysia

DOI:

https://doi.org/10.11615/cujnlfm.02101-2

Keywords:

Magnetic field, temperature dependent heat source, concentration dependent heat source, chemical reaction rate, nanofluid

Abstract

The present study deals with the thermal analysis of a nanofluid past the stretching sheet in
presence of radiation. Thermal and mass transport are also modelled considering viscous
dissipation and the effects of chemical reaction. Additionally, temperature-dependent and
concentration-dependent heat source terms are incorporated into the energy equation to
examine their influence on the thermal transport characteristics of the nanofluid. An increase
in the internal heat generation parameter enhances the temperature distribution within the
boundary layer due to the additional volumetric heat supplied to the fluid, thereby thickening
the thermal boundary layer and reducing the wall temperature gradient. Thus, this is
incorporated into the energy equation. The governing equations were formulated using partial
differential equations (PDEs). These equations are then transformed into ODEs through the
application of similarity transformations to obtain the solution. The resulting system of ODEs
is subsequently solved using the Runge–Kutta–Fehlberg (RKF45) method. The effect of the
dimensionless parameters on the nanofluid's temperature, concentration, and velocity profiles
is presented graphically using the numerical solutions. The outcomes of the study depicts that
the temperature profile upsurges when the heat source dependent on temperature and the
concentration increases. It was noted that there is a lowering in the velocity profile with rise
in the velocity slip parameter while the thermal profile increases with increase in thermal
radiation.

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Published

2026-09-03