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Darcy–Forchheimer flow of nanofluid due to a curved stretching surface

Darcy–Forchheimer flow of nanofluid due to a curved stretching surface The purpose of present communication is to analyze Darcy–Forchheimer flow of viscous nanofluid by curved stretchable surface. Flow in porous medium is characterized by Darcy–Forchheimer relation. Brownian diffusion and thermophoresis are considered. Convective heat and mass boundary conditions are also used at the curved stretchable surface.Design/methodology/approachThe resulting nonlinear system is solved through shooting technique.FindingsSkin friction coefficient is enhanced for larger porosity parameter and inertia coefficient while reverse trend is noticed for curvature parameter. Local Nusselt number is enhanced for higher Prandtl number and thermal Biot number, whereas the opposite trend is seen via curvature parameter, porosity parameter, inertia coefficient, thermophoresis parameter and Brownian motion parameter. Local Sherwood number is enhanced for Schmidt number, Brownian motion parameter and concentration Biot number, while reverse trend is noticed for curvature parameter, porosity parameter, inertia coefficient and thermophoresis parameter.Originality/valueTo the best of author’s knowledge, no such consideration has been given in the literature yet. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Numerical Methods for Heat and Fluid Flow Emerald Publishing

Darcy–Forchheimer flow of nanofluid due to a curved stretching surface

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References (42)

Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
0961-5539
DOI
10.1108/hff-08-2017-0301
Publisher site
See Article on Publisher Site

Abstract

The purpose of present communication is to analyze Darcy–Forchheimer flow of viscous nanofluid by curved stretchable surface. Flow in porous medium is characterized by Darcy–Forchheimer relation. Brownian diffusion and thermophoresis are considered. Convective heat and mass boundary conditions are also used at the curved stretchable surface.Design/methodology/approachThe resulting nonlinear system is solved through shooting technique.FindingsSkin friction coefficient is enhanced for larger porosity parameter and inertia coefficient while reverse trend is noticed for curvature parameter. Local Nusselt number is enhanced for higher Prandtl number and thermal Biot number, whereas the opposite trend is seen via curvature parameter, porosity parameter, inertia coefficient, thermophoresis parameter and Brownian motion parameter. Local Sherwood number is enhanced for Schmidt number, Brownian motion parameter and concentration Biot number, while reverse trend is noticed for curvature parameter, porosity parameter, inertia coefficient and thermophoresis parameter.Originality/valueTo the best of author’s knowledge, no such consideration has been given in the literature yet.

Journal

International Journal of Numerical Methods for Heat and Fluid FlowEmerald Publishing

Published: Jan 29, 2019

Keywords: Nanoparticles; Numerical solution; Darcy-Forchheimer flow; Convective heat and mass conditions; Curved stretching surface

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