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Title Impact of Mixed Convection on Williamson Nanofluid Flow over a Stretching Surface

Author(s) Aqsa Mansha

Abstract This research work deals with the mixed convection flow of a shear thinning nanofluid over a stretching surface. The surface is assumed to be porous and stretching exponentially. Two different cases of heat transfer, i.e., prescribed exponential surface temperature (PEST) and prescribed exponential heat flux (PEHF) are used for the analysis. Moreover, an inclined magnetic field is applied to the flow and the effects of chemical reaction, heat generation/absorption and viscous dissipation are considered. The boundary layer theory is applied to the fluid model and the resultant system of differential equations are presented and simplified with the help of useful similarity transformations. Homotopy analysis method is used to solve the governing nonlinear system using Mathematica Software. The velocity, temperature and concentration profiles are graphically analyzed under the influence of various flow parameters. From the results, it is found that increased values of local grashof number increases the velocity profile while the opposite behaviour is seen for the temperature profile. An enhanced temperature profile corresponds to enhanced Eckert number and the enhanced chemical reaction parameter reduces the concentration profile. The friction drag, Nusselt number and Sherwood number are studied for varying dimensionless parameters. A comparison with the existing literature is also performed.

Type Thesis/Dissertation MS

Faculty Engineering and Computer Science

Department Mathematics

Language English

Publication Date 2023-06-13

Subject Mathematics

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