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Date of Publication:2012-01-01

Journal:工程热物理学报

Volume:33

Issue:10

Page Number:1739-1742

ISSN No.:0253-231X

Abstract: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.

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