Computation of the Natural Convection of Nanofluid in a Square Cavity with Homogeneous and Nonhomogeneous Models

摘要: A numerical study of a laminar natural convection the CuO-water nanofluid in square cavity using homogeneous and nonhomogeneous models is presented. All governing equations including volume fraction equation are discretized on cell-centered, nonuniform grid employing finite-volume method with primitive variable formulation. Calculations performed over range Rayleigh numbers (Raf = 104–107) fractions nanoparticle (0.01 ≤ Φ ≤ 0.1). From computed results, it shown that both predict deterioration heat transfer well an increase at same number, which was observed previous experimental studies. It also differences results average Nusselt number wall between very small, this indicates slip mechanism Brown diffusio...