MHD Hybrid nanofluid flow and heat transfer near a stagnation point with arrhenius kinetics, internal heat, and viscous dissipation

Background This work examines the two-dimensional stagnation point flow of a hybrid nanofluid (Al 2 O[Formula: see text]Cu/H 2 O) over a stretching/shrinking surface, taking into account viscous dissipation, internal heat, magnetic field and radiant heat flux. The flow is modeled as incompressible, constant and laminar, with the shrinking/stretching sheet’s velocity determined by a stretching parameter. Methods The governing equations, which account for Arrhenius kinetics that regulate temperature and mass concentration, have been solved numerically using similarity transformations and the bvp4c solver in MATLAB. Significant Findings The results reveal that for a stretching sheet, the Lorentz force inhibits flow and reduces velocity, whereas, for a shrinking sheet, the magnetic field improves velocity profiles by aligning flow with the surface. Temperature profiles rise with magnetic strength, Eckert number and heat of reaction due to the increased thermal impacts of exothermic processes and viscous dissipation. Furthermore, increasing the Schmidt number and nanoparticle concentration enhances heat transmission, raising the Nusselt number but decreasing the Sherwood number due to slower diffusion. The addition of Arrhenius kinetics, radiation and nanoparticle effects emphasizes the connection between flow, temperature and concentration profiles. Our innovative research paves the way for future innovations in boundary layer analysis and thermal systems; moreover, it is also paving the path for effective and efficient heat transfer solutions.