Haar wavelet collocation method for stagnation point flow over a nonlinearly stretching/shrinking sheet in hybrid carbon nanotubes with slip and suction effects

This study aims to investigate the stagnation point flow over a nonlinearly stretching/shrinking sheet with the presence of the slip and suction effects in hybrid carbon nanotubes. The mathematical model for the boundary layer flow problem is formulated and solved using numerical techniques based on the Haar Wavelet Collocation method. The single-walled and multi-walled carbon nanotubes were types of hybrid carbon nanotubes used with water as base fluid. The partial differential equations are transformed into nonlinear ordinary differential equations by similarity transformations. Maple software is used to solve these equations. The results were presented in the form of figures including velocity and temperature profiles, local skin friction coefficient and local Nusselt number for different values of hybrid nanoparticles of carbon nanotubes, velocity slip parameter, nonlinear parameter and suction. The outcomes obtained are that the shrinking sheet gives dual solutions at a certain limit, while the stretching sheet gives unique solutions. In addition, the slip effect parameter caused the thinning of the boundary layer thickness and increased the heat transfer rate.

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