Abstract
One of the hottest topics in industrial and engineering applications of applied mathematics is the advances in nanotechnology particularly in nanofluids, hybrid nanofluids which consist of a typical base fluid saturated with nano-size metallic particles with enhanced thermophysical properties. In this regard, current study reports an entropy nature of steady, laminar, relative contributions of thermal and solutal Marangoni convections on passage in Casson Al2O3−Cu−H2Ohybrid nanofluid stream past over a disk under the impact of nonlinear heat source/sink, viscous dissipation, radiation, and nonlinear convection. Suitable similarity transformation is apt to reduce the governing partial differential equations to a series of ordinary differential equations. The obtained nonlinear ODE set is then solved numerically by using bvp4c method. The impact of various pertinent flow parameters on the velocity, thermal, concentration, entropy production, rate of heat and mass transfer fields are discussed in detail through graphs. The results reveal that, boost up values of Marangoni number and radiation parameter inclines the heat transfer of the fluid flow system. The upsurge in Exponential heat source/ sink parameter and thermal source/sink parameter inclines the thermal profile. Further, increase in value of volume fraction inclines the rate of mass transfer.
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