Magnetohydrodynamics Tetrahybrid Micropolar Nanofluid Flow with Thomson and Trion Slip in a Non-Isothermal and Non-Isosolutal Conditions: A Numerical Approach

The future of tetrahybrid micropolar nanofluids lies in their potential to address challenges in modern thermal management, energy efficiency, and advanced material design. With ongoing research, development, and innovation, these nanofluids could play a transformative role in technology, industry, and environmental sustainability. This research, looks into the flow of tetrahybrid micropolar nanofluid, composed of silver, copper, titanium, and aluminum oxides as the nanoparticles and base fluid, of 50%–50% blend of ethylene glycol and water, is analyzed. To account for the role of thermal conductivity, viscosity, and mass diffusivity, temperature dependent thermal conductivity, viscosity, and variable mass diffusivity are incorporated into the model. For tribological analysis, Thomson and Troian slip conditions are applied under non-isothermal and non-isosolutal conditions. The controlling equations (partial differential) representing this problem are derived and subsequently reduced to nonlinear coupled equations (ordinary differentials). In other to explore the influence of the distinguished parameters, the coupled system is solved through the Chebyshev collocation method, implemented in Mathematica. The outcomes are validated against existing literature, demonstrating strong agreement. The study reveals that temperature-dependent viscosity increases the tetrahybrid micropolar nanofluid’s viscosity, leading to enhanced flow resistance, while also showing a direct relationship with fluid microrotation. The variable diffusivity parameter results in a higher rate of solute dispersion within the tetrahybrid nanofluid. An increase in velocity slip length enhances flow resistance at the solid boundary due to elevated friction. Additionally, critical shear rates exert greater forces on the nanoparticles, enabling more vigorous rotation. Silver (Ag) is estimated to contribute an average of 28% to the fluid’s overall composition and performance. These findings suggest that magnetohydrodynamic tetrahybrid micropolar nanofluids improve the thermal efficiency of micropolar nanofluids by at least 28%. Moreover, the inclusion of silver, combined with the base fluids, highlights the potential biomedical applications of this study, such as in drug delivery.