Abstract
Since the last two decades, most of the researchers have concentrated on the nanofluids boundary layer flow over a surface of even thickness or flat surface. This article deals with a mathematical model, which describe the hybrid nanofluid (SiO2–MoS2/water) flow over a slendering surface (surface of uneven thickness). The novelty is to study the effects of natural convection and porous medium. The analysis of heat transfer is also accomplished and for the same purpose, the viscous dissipation, heat source/sink, ohmic heating and thermal radiation effects are incorporated. The velocity slip and thermal slip boundary conditions with suction/injection effects are applied. Similarity transformations are utilized to change the prevailing PDEs to ODEs. Numerical investigation is performed to solve the equations. The MATLAB in built function “bvp4c solver” is employed for finding the solution. The velocity and temperature profile were found higher for the injection case in comparison to the suction. The effect of power law index parameter and unsteadiness parameter is to aid the flow velocity. The heat generation parameters, Eckert number and volume fraction of nanoparticles act to augment the flow temperature. For the suction and injection case, the radiation parameter has positive correlation with the heat transfer rate.
Published Version
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