Journal
JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING
Volume 40, Issue 11, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s40430-018-1415-y
Keywords
Casson nanofluid; Inclined magnetic field; Stretching sheet; Variable viscosity; Slip condition; Convective conditions; BVP4C
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The principle concern of the present analysis is the inclined magnetohydrodynamic Casson nanofluid flow at a nonlinear stretching plate, considering variable viscosity with slip and convective boundary conditions. Mathematical formulation is developed by assuming boundary layer approach. The leading differential equations modeled by considering similarity transformations and improved numerical BVP4C (MATLAB package) are utilized to calculate the solution. Parametric behavior of several physical constraints, for instance, Casson fluid factor , Prandtl number Pr, magnetic field factor M, Brownian motion factor N-B,nonlinear constraint n, variable viscosity constant (r), inclined parameter , Lewis number Le, thermophoresis diffusion factor N-T, velocity slip constant k and Biot number on velocity, concentration and temperature distributions, is deliberated. Expressions of friction factor, rate of heat and mass transfer are evaluated graphically also in tabular form for different values of parameters. Conclusions are made on the basis of entire investigation, and it is comprehended that fluid velocity is reducing function of all parameters, temperature profile falls down against Prandtl number Pr, while Brownian motion parameter N-B, thermophoresis number N-T and Biot number enhance the temperature of fluid. Concentration profile reduces against Brownian motion parameter N-B and Lewis number Le, while it enhances for thermophoresis number N-T.
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