Numerical investigation into the 3-D simulation models of flow characteristics in nanofluids

The main effect factors of the heat transfer enhancement in nanofluids are the flow characteristics. It plays quite an important role in deep investigation on the mechanism of heat transfer augmentation. Only by accurately describing the nanofluids flow characteristics, can it make sense for further exploration of the heat transfer process of nanofluids. This paper will make use of three different kinds of models to conduct researches on nanofluids. The results showed that the nanofluids can not be considered as one single-phase fluids and therefore the interactions between phases can not be neglected. The Brownian motion needs to be considered as well when the Reynolds number is very small. The results also revealed that the Euler-Lagrange multiphase model is the most precise and the single-phase model is the least precise, while the accuracy of the Eulerian-Eulerian multiphase model is in between.