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Title Analysis of Unsteady Hybrid Nanofluid Flow Over a Stretching Surface

Author(s) Anisa Asad

Abstract The goal of the current analysis is to investigate the fluid flow and heat transfer of a recently introduced category of fluids known as hybrid nanofluid. This study is focused on the flow of a viscous, unsteady and three dimensional flow of hybrid nanofluid. The fluid is flowing over an exponentially stretching and rotating surface. The phenomenon of mixed convection and slip velocity is considered in the current model. CuO and TiO2 are taken as a nanoparticles and the base fluid is a mixture of ethylene glycol and water (50%-50%). The system of partial differential equations are reduced into a system of ordinary differential equations by means of suitable similarity transformations. The resulting system is solved numerically with the help of bvp4c technique in MATLAB software. The flow analysis is carried out through the graphical presentation of the velocity and temperature profiles. In contrast to simple nanofluids, hybrid nanofluids delivers a superior rating, according to the probe for establishing parameters. The characteristics of essential parameters such as stretching ratio parameter, rotating parameter, mixed convection parameter, velocity slip parameter, temperature exponent parameter and unsteady parameter for the velocity and temperature are evaluated. Moreover the influence of various parameters on friction drag and Nusselt number are also appraised. The comparison tables are also displayed which shows an excellent agreement between the obtained results and already published results.

Type Thesis/Dissertation MS

Faculty Engineering and Computer Science

Department Mathematics

Language English

Publication Date 2024-06-14

Subject Mathematics

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