Significance of the shape factor in magnetized flow of radiative hybrid nanofluid configured by exponentially elongated surface with non-fourier thermal flux model

Abstract

The current investigation explicates the flow dynamics together with thermal transport of a magnetized and thermally radiative SWCNT−MWCNT/H2O hybrid nanofluid past an exponentially elongated surface. Additionally, assessments of mixed convection are expounded through the momentum equation while the influence of non-Fourier heat flux and heat generation is explicated in the energy equation. The study reveals that the flow velocity experiences a notable growth with the inclusion of mixed convection, while the introduction of a magnetic field and aligned magnetic angle demonstrates a contrary trend. An elevated thermal relaxation and mixed convection parameters are associated with a decrement in fluid temperature. Meanwhile, an increased shape factor has a favourable impact on the temperature profile. Furthermore, the introduction of blade-shaped nanoparticles into the SWCNT−MWCNT/H2O results in a thermal efficiency advantage of approximately 26.015% over SWCNT/H2O, while employing spherical-shaped nanoparticles in the same hybrid nanofluid yields only an approximate 5.594% improvement in thermal transfer rate over SWCNT/H2O.