A numerical study of nanofluid forced convection in ribbed channels (original) (raw)

Applied Thermal Engineering, 2011

Abstract

In this paper a numerical investigation on forced convection with nanofluids, composed by water and Al2O3 nanoparticles, in a two-dimensional channel is carried out. A uniform heat flux is applied on the external walls. A single-phase approach is employed to model nanofluids and the fluid properties are considered constant with temperature. The particle size is set equal to 38nm and nanoparticle volume fractions from 0% to 4% are considered. The flow regime is turbulent and Reynolds numbers are in the range 20,000–60,000. ...

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