Heat Source/Sink and Chemical Reaction Effects on MHD and Heat Transfer Flow of Radiative Nanofluid Over a Porous Exponentially Stretching Sheet with Viscous Dissipation and Ohmic Heating
M. Thiagarajan1, M. Dinesh Kumar2
1M. Thiagarajan, Assistant Professor, Department of Mathematics, PSG College of Arts & Science, Coimbatore (Tamil Nadu), India.
2M. Dinesh Kumar, Research Scholar, Department of Mathematics, PSG College of Arts & Science, Coimbatore (Tamil Nadu), India.
Manuscript received on April 25, 2019. | Revised Manuscript Received on May 22, 2019. | Manuscript published on June 20, 2019. | PP: 1-4 | Volume-2 Issue-7, June 2019 | Retrieval Number: G0093062719/19©BEIESP
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Abstract: This paper presents an investigation of the hydromagnetic boundary layer flow of a nanofluid and heat transfer past a porous exponentially stretching sheet with effects of heat generation/absorption and Ohmic heating. The impact of Brownian motion and thermophoresis on heat transfer, thermal radiation, chemical reaction and viscous dissipation are also considered. Nonlinear partial differential equations governing the motion are reduced to ordinary differential equations by using similarity transformations. These equations are solved numerically using the Nachtsheim-Swigert shooting technique scheme together with Fourth-order Runge-Kutta integration method, for different values of flow parameter such as magnetic interaction parameter, porosity parameter, Brownian motion, thermophoresis parameter, Eckert number, heat source/sink parameter, Lewis number, chemical reaction parameter, and suction parameter. Quantities of physical interest such as skin-friction coefficient, non-dimensional rate of heat and mass transfer are solved numerically and are tabulated. Comparisons with previously study are performed and are found to be in a good agreement.
Keywords: Exponentially Stretching Sheet, Heat Source/Sink, Joules Dissipation, MHD, Nanofluid, Thermal Radiation.