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Title Characteristics of Hybrid Nanofluid Flow over a Riga Plate in the Presence of Mixed Convection

Author(s) Sidra Sehr Abbasi

Abstract The hybrid nanofluid flow can be helpful in improving the efficiency and effectiveness of heat transfer systems like in heat exchangers, electronic devices for thermal management automotive engine and cooling system. The aim of the study is to focus on the hybrid nanofluid flow (Cu − Al₂O₃/𝐻2𝑂) over a Riga surface placed in a permeable medium. The flow experiences electromagnetohydrodynamics (EMHD) and is observed near a stagnation point. The effects of mixed convection, viscous dissipation, thermal radiation, Joule heating as well as heat generation/absorption are examined for the considered flow. The problem is modelled as a system of complex and coupled partial differential equations. The system is further reduced into system of ordinary differential equations by employing the suitable similarity transformation. The reduced system is solved through bvp4c function in MATLAB software and the numerical results of the nonlinear ordinary differential equations are generated. For several important parameters, the velocity and temperature distributions are analyzed. The mixed convection parameter results in an enhancement of velocity profile. The nanoparticle volume fractions for both the nanoparticles raises temperature of the hybrid nanofluid. Further, the graphical influence of various parameters is also examined for friction drag and Nusselt number. The authenticity of the obtained results is validated through a comparison study which is in correspondence with the previous published research.

Type Thesis/Dissertation MS

Faculty Engineering and Computer Science

Department Mathematics

Language English

Publication Date 2024-06-07

Subject Mathematics

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