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1 International Journal of Applied Mechanics and Engineering

1 2025

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Flow and heat transfer of hybrid Jeffrey nanofluid near a riga plate with non-linear convection

Fayaz T., Ansari M. S., Otegbeye O., Trivedi M.

International Journal of Applied Mechanics and Engineering

2025

Vol. 30, no. 3

57--74

Hybrid nanofluid, an extension of nanofluid, is the hybridization of dissimilar type of nanoparticles dispersed into the base fluid. Engineers, manufacturers and developers are fascinated to imply hybrid nanofluid in various applications such as, biomedical, electronic generators, heat pipes, refrigerations, transformer cooling and heat exchangers due to its unique speciality in terms of thermophysical properties, heat transfer performance and stability. The present study deals on heat transfer in an unsteady magnetohydrodynamic hybrid nanoliquid composed of (i) silver and gold and (ii) aluminium oxide and copper oxide nanoparticles considering base fluid as ethylyne glycol, flow over a Riga plate. The impact of viscous dissipation, non-linear convection, magnetic field and convective boundary condition are also integrated in this study. The nonlinear and coupled partial differential equations, which describe the flow system, are nondimensionalized keeping in same form. Solution of nondimensionalized PDEs is reaped by exercising spectral quasilinearization method. The substantiation of convergence and accuracy is also presented. Obtained solutions are presented in terms of graphs and tables to survey the flow and temperature behaviours. It is found that fluid velocity is smaller in the hybrid nanofluid containing silver and gold nanoparticles whereas an improved heat transfer rate is seen for hybrid nanoliquid containing aluminium oxide and copper oxide nanoparticles. This study may be helpful in various scientific and industrial applications concerning boundary layer separation and heat transfer.