Heat and mass transfer from an isothermal wedge in nanofluids with Soret effect

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Author list: Kameswaran PK, Narayana M, Shaw S, Sibanda P

Publisher: EDP Sciences: EPJ

Place: HEIDELBERG

Publication year: 2014

Journal: European Physical Journal Plus (2190-5444)

Journal acronym: EUR PHYS J PLUS

Volume number: 129

Issue number: 7

Number of pages: 11

ISSN: 2190-5444

eISSN: 2190-5444

Languages: English-Great Britain (EN-GB)

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Abstract

A mathematical model for the two-dimensional steady incompressible convective heat and mass transfer from an isothermal wedge immersed in a nanofluid is presented. The model used for the nanofluid incorporates the effects of the volume fraction parameter. Two types of nanofluids, silver-water and gold-water nanofluids, are considered in this study. Suitable transformations are used to convert the partial differential equations into highly nonlinear ordinary differential equations, which have been solved numerically using the Matlab bvp4c function. A comparison is made with results available in the literature and found to be in good agreement. Results pertaining to the skin friction coefficient, Nusselt number, Sherwood number as well as the velocity, temperature and concentration profiles for selected values of parameters describing the model have been discussed.

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