Abstract

The effect of Stefan blowing on the Cattaneo–Christov characteristics of the Blasius–Rayleigh–Stokes flow of self-motive Ag-MgO/water hybrid nanofluids, with convective boundary conditions and a microorganism density, are examined in this study. Further, the impact of the transitive magnetic field, ablation/accretion, melting heat, and viscous dissipation effects are also discussed. By performing appropriate transformations, the mathematical models are turned into a couple of self-similarity equations. The bvp4c approach is used to solve the modified similarity equations numerically. The fluid flow, microorganism density, energy, and mass transfer features are investigated for dissimilar values of different variables including magnetic parameter, volume fraction parameter, Stefan blowing parameter, thermal and concentration Biot number, Eckert number, thermal and concentration relaxation parameter, bio-convection Lewis parameter, and Peclet number, to obtain a better understanding of the problem. The liquid velocity is improved for higher values of the volume fraction parameter and magnetic characteristic, due to the retardation effect. Further, a higher value of the Stefan blowing parameter improves the liquid momentum and velocity boundary layer thickness.

Highlights

  • The natural convection heat transfer and inclined magnetic field effects of a molybdenum disulfide (MoS2) and magnesium oxide (MgO) nanofluid were investigated by Hymavathi et al [5] via a vertical stretched surface embedded in a porous medium with a non-uniform heat source or sink

  • Nadeem et al [6] used a magnetic dipole with three different ferrite nanoparticles to assess the effects of heat transport phenomena in a ferrofluid

  • Together with the impacts of viscous dissipation and non-linear thermal radiative effects, Reddy et al [7] investigated the role of gyrotactic microorganisms in the mass and heat transport for the time-dependent MHD flow of a cross liquid mediated through nanoparticles

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Summary

Introduction

Many base liquids are not favorable for heat transfer applications due to poor thermal effectiveness. Ahmad et al [4] introduced the influence of carbon nanotube nanoparticles on the boundary layer flow with thermal radiation, double stratification, and heat generation. They found that the thermal stratification diminished the temperature distribution. Nadeem et al [6] used a magnetic dipole with three different ferrite nanoparticles to assess the effects of heat transport phenomena in a ferrofluid They discovered that the characteristic of magneto-thermomechanical cooperation reduced the movement of liquid molecules, and as a result, increased the coefficient of skin friction and the thermal transport rate at the surface. Jamshed et al [9] explored the Casson non-Newtonian Cu–water and TiO2–

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