Numericalstudy of mixed convection flowin alid

الملخص EN

A numerical investigation of steady laminar mixed convection flow of a Copper-water nanofluid in a lid –driven cavity has been executed.

In the present study, the left vertical and inclined walls are heated at constant temperature while the right vertical and inclined right walls are maintained at constant cold temperature.

The bottom wall is adiabatic and moving with uniform velocity.

The study has been carried out for Rayleigh number Ra= 104– 106, Reynolds number Re=20-100 and solid volume fraction of Cu nanoparticles Ø= 0-0.05.

The effective viscosity and thermal conductivity of the nanofluid have been calculated by Brinkman and Maxwell-Garnett models, respectively.

The results indicated that, the Nusselt number increases with increasing Ra, Re and Ø.