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International Heat Transfer Conference 13
Graham de Vahl Davis (open in a new tab) School of Mechanical and Manufacturing Engineering, University of New South Wales, Kensington, NSW, Australia
Eddie Leonardi (open in a new tab) Computational Fluid Dynamics Research Laboratory, School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, Australia 2052

ISSN Online: 2377-424X

ISBN CD: 1-56700-226-9

ISBN Online: 1-56700-225-0

TEMPERATURE DEPENDENT THERMAL CONDUCTIVITY EVALUATION OF ALUMINA BASED NANOFLUIDS

page 13
DOI: 10.1615/IHTC13.p8.150
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SINOPSIS

This paper presents thermal conductivity measurements on alumina based nanofluids. Readings at ambient temperature as well as over a relatively large temperature range were made for various particle volume fractions up to 9%. Results clearly show the predicted overall effect of an increase in the effective thermal conductivity with an increase in particle volume fraction. Furthermore, results suggest that the relative increase in thermal conductivity is more important at higher temperatures. This would seem to indicate that the usage of nanofluids in practical engineering applications would be even more attractive since operating cooling fluid temperatures would most certainly be greater than room temperature.

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