Abstract
To study the mixed convection flows in a square double lid-driven cavity with various inclination angles, a numerical method based on the finite volume method is used. In this investigation Al2O3/water nanofluid with particle diameter of 47 nanometers in different solid volume fractions have been utilized. Flow is obtained by the top and bottom walls, which slide in opposite direction at constant speed. The study has been conducted for the Richardson number of 0.1 to 10, Reynolds number (Re) of 1 to 100, while solid volume fraction φ of nanoparticles altered from 0 to 0.06. The heat transfer increases with increasing solid volume fraction for a constant Re. It also increases with increasing Richardson number and Reynolds number for a particular volume fraction. Also at low Reynolds number, the solid volume fraction does not have much effect on flow and heat transfer.
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