Numerical and Series Solutions for Stagnation-Point Flow of Nanofluid over an Exponentially Stretching Sheet

Meraj Mustafa, Muhammad A Farooq, Tasawar Hayat and Ahmed Alsaedi

PLOS ONE, 2013, vol. 8, issue 5, 1-9

Abstract: This investigation is concerned with the stagnation-point flow of nanofluid past an exponentially stretching sheet. The presence of Brownian motion and thermophoretic effects yields a coupled nonlinear boundary-value problem (BVP). Similarity transformations are invoked to reduce the partial differential equations into ordinary ones. Local similarity solutions are obtained by homotopy analysis method (HAM), which enables us to investigate the effects of parameters at a fixed location above the sheet. The numerical solutions are also derived using the built-in solver bvp4c of the software MATLAB. The results indicate that temperature and the thermal boundary layer thickness appreciably increase when the Brownian motion and thermophoresis effects are strengthened. Moreover the nanoparticles volume fraction is found to increase when the thermophoretic effect intensifies.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0061859

DOI: 10.1371/journal.pone.0061859

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