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Numerical study of forced convective heat transfer of Nanofluids: Comparison of different approaches

✍ Scribed by R. Lotfi; Y. Saboohi; A.M. Rashidi

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
429 KB
Volume
37
Category
Article
ISSN
0735-1933

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✦ Synopsis

Forced convective of a nanofluid that consists of water and Al 2 O 3 in horizontal tubes has been studied numerically. Computed results were validated with existing well established correlation. Two-phase Eulerian model has been implemented for the first time to study such a flow field. A single-phase model and twophase mixture model formulations were also used for comparison. The comparison of calculated results with experimental values shows that the mixture model is more precise. It is illustrated that the single-phase model and the two-phase Eulerian model underestimates the Nusselt number. Effects of nanoparticles concentration on the thermal parameters are also discussed.

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