Abstract
Natural convection flow and heat transfer in partially heated cavity is studied numerically. A control volume based Finite volume method is applied to discretize the governing equations while the SIMPLE algorithm is employed to couple velocity and pressure fields. The constant partial heating at left vertical wall and partial cooling at the right vertical wall along with the adiabatic top and bottom walls of cavity filled with the Cu-water nanofluid. The effects of volume fraction of nanoparticles and Rayleigh number are investigated. Results have clearly indicated Heat transfer enhances with increasing of Rayleigh number and volume fraction of nanoparticles. Also the rate of increase of the average Nusselt number with increase in the volume fraction of nanoparticles is higher for lower Rayleigh number.
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