Abstract
Magnetohydrodynamic (MHD) boundary layer flow over wedge shaped bodies in the presence of suspended nanoparticles plays an important role in several engineering applications, such as, microelectronics, drug delivery, heat exchangers, pharmaceutical processes, magnetic cell separation and the storage of nuclear waste. The aim of present study is to investigate the effects of chemical reaction and hydrodynamic slip on unsteady electrically conducting flow of Casson nanofluid generated due to wedge moving. The wall of wedge is heated by the convection current from hot fluid, and is also examined in current study. The similarity solutions of governing equations are obtained via Keller box method. The accuracy of present code is validated through comparison with previously published results. Comparison reveals an excellent agreement with those results. Findings elucidate that increase in Casson parameter suppressed the friction factor, whereas the mass transfer rate is noticed to be intensified. The heat transfer rate is observed to be declined with the growth of Brownian motion and thermophoresis parameters. The nanoparticles concentration is higher in destructive chemical reaction while reverse effect is noticed in generative chemical reaction. The mass transfer rate is seen to be higher in the presence of porous medium. The effect of Biot number on temperature and nanoparticles concentration is noticed to be exactly the same for both magnetic field and porous medium.
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