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Research Journal of Engineering and Technology
Year : 2017, Volume : 8, Issue : 4
First page : ( 393) Last page : ( 404)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2017.00070.8

Joule heating and thermal radiation effects on chemically reacting Casson fluid past a vertical plate with variable magnetic field

Vijayaragavan R.*, Karthikeyan S.

Department of Mathematics, Thiruvalluvar University, Vellore-632 115, India

*Corresponding Author Email: rvijayaraagavantvu@gmail.com

Online published on 24 May, 2018.

Abstract

In this study, we investigated the heat and mass transfer in Casson fluid flow past an infinite vertical porous plate in the presence of thermal radiation and chemical reaction. The governing equations of the flow, heat and mass transfer are transformed into a system of nonlinear ordinary differential equations and solved analytically by the perturbation technique. The results obtained show that the velocity, temperature and concentration fields are appreciably influenced by the chemical reaction, thermal stratification and magnetic field. It is observed that the thermal radiation and magnetic field decreases the velocity, temperature and concentration profiles. There is also considerable effects of magnetic field and chemical reaction on skin friction coefficient and Nusselt number.

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Keywords

MHD, Variable magnetic field, Radiative, Casson fluid, dissipative, Heat transfer, Mass transfer.

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