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Impact of Cross Diffusion on MHD Flow of Casson-Williamson Nanofluid Past a Reactive Nonlinear Stretching Surface With Thermal Radiation |
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PP: 19-34 |
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doi:10.18576/sjm/120202
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Author(s) |
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Christian J. Etwire,
Fuseini J. Mathias,
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Abstract |
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| In this study, we investigate the impact of cross-diffusion on the magnetohydrodynamics (MHD) flow of Casson-Williamson nanofluid over a reactive nonlinear stretching surface under the influence of thermal radiation.The mathematical model which interfused thermal-diffusion, diffusion-thermo and radiation effects are formulated as partial differential equations. These equations are transformed into coupled nonlinear ordinary differential equations using similarity variables and subsequently solved using the fourth-order Runge-Kutta method combined with the Newton-Raphson shooting technique. A comparison of the Nusselt number result with existing literature shows excellent agreement, validating the accuracy of the model. The results found the Dufour number and radiation parameter to appreciate the temperature distribution of both Casson and Williamson nanofluids with temperature been significantly strengthened for Casson nanofluid.This suggests that Casson nanofluid is highly effective in heat storage applications such as accumulators and solar panels, whereas Williamson nanofluid, with its higher skin friction coefficient, is eminent for the formulation of brake and automatic transmission fluids. |
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