Abstract
The present study reveals the behavior of shear-thickening and shear-thinning fluids in magnetohydrodynamic flow comprising the significant impact of a hybrid nanofluid over a porous radially shrinking/stretching disc. The features of physical properties of water-based Ag/TiO2 hybrid nanofluid are examined. The leading flow problem is formulated initially in the requisite form of PDEs (partial differential equations) and then altered into a system of dimensionless ODEs (ordinary differential equations) by employing suitable variables. The renovated dimensionless ODEs are numerically resolved using the package of boundary value problem of fourth-order (bvp4c) available in the MATLAB software. The non-uniqueness of the results for the various pertaining parameters is discussed. There is a significant enhancement in the rate of heat transfer, approximately 13.2%, when the impact of suction governs about 10% in the boundary layer. Therefore, the heat transport rate and the thermal conductivity are greater for the new type of hybrid nanofluid compared with ordinary fluid. The bifurcation of the solutions takes place in the problem only for the shrinking case. Moreover, the sketches show that the nanoparticle volume fractions and the magnetic field delay the separation of the boundarylayer.
Highlights
It is well-known that fluids like ethylene glycol, water, and mineral oils play an important role in heat transport in many industrial processes like the process of power generation, chemical, heating and cooling, and so on
The weak heat transport features of normal fluids owing to low thermal conductivity are a serious hurdle to the performance of industrial equipment
This portion of work is devoted to arguing the physical impacts of the involved constraints on the dynamic flow and heat transfer characteristics
Summary
It is well-known that fluids like ethylene glycol, water, and mineral oils play an important role in heat transport in many industrial processes like the process of power generation, chemical, heating and cooling, and so on. Khan et al [26] examined the impact of radiation on mixed convection flow near a stagnation point towards a yawed cylinder induced by hybrid nanofluid, and presented the non-similarity solutions. A noteworthy effort has been committed to explore the features of these non-Newtonian fluids In this scenario, several researchers [27,28,29] have considered different models to investigate these kinds of fluid flow dynamics and heat transfer. Khan et al [39] inspected the influence of magnetic field on radiative flow via a curved porous surface with slip impact immersed in a Sisko fluid. The present investigation explores the behavior of a Sisko fluid in a magnetohydrodynamic flow through a porous stretching/shrinking disc subjected to the convective boundary conditions. This exploration is validated by comparing the current solution with the available solution in the literature
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