MHD Stagnation Point Flow over a Stretching/Shrinking Sheet in Nanofluid with Suction Effect
DOI:
https://doi.org/10.37134/jsml.vol13.1.6.2025Keywords:
Magnetohydrodynamics, stagnation point flow, nanofluids, suction, stretching, shrinking sheetAbstract
The effect of suction on magnetohydrodynamics (MHD) stagnation point flow of a nanofluid towards a linearly stretching/shrinking sheet at the boundary was investigated. The water-based nanofluids containing three metallic nanoparticles namely, copper (Cu), alumina (Al203) and titania (Ti02) are considered. By using a similarity transformation, the governing nonlinear partial differential equations (PDEs) subjected to the boundary conditions are converted into the system of ordinary differential equations (ODEs). Numerical results are obtained using the boundary value problem solver bvp4c in MATLAB software. The investigation focuses on the impact of suction parameters and the nanoparticle volume fraction parameter on the nanofluids with Prandtl number, Pr = 6.2. The graphical representation and analysis of the influence of the suction parameter S and the magnetic parameter M on the skin friction coefficient, local Nusselt number are provided. Both velocity and temperature profiles are presented to show the duality of the solution. The numerical results of both velocity and temperature profiles including the skin friction coefficient and local Nusselt number are presented for various values of the governing parameters. The results show that the temperature and velocity profiles are influenced by suction, magnetic field, and nanoparticle volume fraction. The finding suggests that incorporating nanoparticles into the based fluids leads to an increase in both the skin friction coefficient and the heat transfer rate at the surface.
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Copyright (c) 2025 Nurain Naziha Alias, Haliza Rosali, Norfifah Bachok @ Lati, Ioan Pop
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