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Open AccessArticle

Magnetic Field Effects on Chemical Reaction of Power-Law Fluid over an Axisymmetric Stretched Sheet

Department of Mechanical, Robotics and Energy Engineering, Dongguk University, Seoul 04672, Korea
Magnetochemistry 2019, 5(4), 57; https://doi.org/10.3390/magnetochemistry5040057
Received: 9 May 2019 / Revised: 19 August 2019 / Accepted: 2 September 2019 / Published: 8 October 2019
Numerical investigation of the effects of magnetic field strength, thermal radiation, Joule heating, and viscous heating on a forced convective flow of a non-Newtonian, incompressible power-law fluid in an axisymmetric stretching sheet with variable temperature wall is accomplished. The power-law shear-thinning viscosity-shear rate model for the anisotropic solutions and the Rosseland approximation for the thermal radiation through a highly absorbing medium is considered. The temperature-dependent heat sources, Joule heating, and viscous heating are considered to be the source terms in the energy balance. The non-dimensional boundary-layer equations are solved numerically in terms of similarity variable. A parameter study on the boundary value of chemical reaction and Nusselt number is performed as a function of thermal radiation parameter, Brinkman number, Prandtl number, Hartmann number, power-law index, heat source coefficient, Brownian parameter, thermophoresis parameter, and the chemical reaction parameter. The results show that the chemical reaction parameter has an increasing effect on the chemical reaction boundary while the magnetic, thermophoresis, and Brownian effects decrease the rate of the chemical reaction at the boundary. View Full-Text
Keywords: thermal radiation; forced convection; viscous dissipation; power-law index; stretching sheet; thermophoresis effect; Brownian effect; chemical reaction thermal radiation; forced convection; viscous dissipation; power-law index; stretching sheet; thermophoresis effect; Brownian effect; chemical reaction
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Abdollahzadeh Jamalabadi, M.Y. Magnetic Field Effects on Chemical Reaction of Power-Law Fluid over an Axisymmetric Stretched Sheet. Magnetochemistry 2019, 5, 57.

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