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Flow and Heat Transfer of a Casson Nanofluid Over a Nonlinear Stretching Sheet

The effects of Brownian diffusion and thermophoresis on Casson nanofluid over a nonlinear stretching sheet are studied. The governing partial differential equations are transformed into nonlinear coupled ordinary differential equations using suitable similarity transformations. These equations with...

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Bibliographic Details
Published in:Journal of nanofluids 2016-10, Vol.5 (5), p.743-752
Main Authors: Prasad, Vajravelu, Shivakumara, Vaidya, Hanumesh, Basha, Neelufer Z.
Format: Article
Language:English
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Summary:The effects of Brownian diffusion and thermophoresis on Casson nanofluid over a nonlinear stretching sheet are studied. The governing partial differential equations are transformed into nonlinear coupled ordinary differential equations using suitable similarity transformations. These equations with appropriate boundary conditions are solved via semi-analytical algorithm based on Optimal Homotopy Analysis Method (OHAM). The obtained results are compared with the available results in the literature for some special cases and are found to be in excellent agreement. The effects of pertinent non-dimensional parameters such as Casson parameter, velocity power index parameter, Prandtl number, thermophoresis, Brownian motion and Lewis number on the velocity, thermal, and concentration boundary layers is investigated. Furthermore, the results thus obtained are compared with the Newtonian case.
ISSN:2169-432X
2169-4338
DOI:10.1166/jon.2016.1255