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New temperature dependent thermal conductivity data for water-based nanofluids

This paper presents effective thermal conductivity measurements of alumina/water and copper oxide/water nanofluids. The effects of particle volume fraction, temperature and particle size were investigated. Readings at ambient temperature as well as over a relatively large temperature range were made...

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Published in:International journal of thermal sciences 2009-02, Vol.48 (2), p.363-371
Main Authors: Mintsa, Honorine Angue, Roy, Gilles, Nguyen, Cong Tam, Doucet, Dominique
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Language:English
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container_title International journal of thermal sciences
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creator Mintsa, Honorine Angue
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description This paper presents effective thermal conductivity measurements of alumina/water and copper oxide/water nanofluids. The effects of particle volume fraction, temperature and particle size were investigated. 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 and with a decrease in particle size. Furthermore, the relative increase in thermal conductivity was found to be more important at higher temperatures. Obtained results compare favorably with certain data sets and theoretical models found in current literature.
doi_str_mv 10.1016/j.ijthermalsci.2008.03.009
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source ScienceDirect Freedom Collection 2022-2024
subjects Alumina nanoparticles
Copper oxide nanoparticles
Effective thermal conductivity
Heat transfer enhancement
Nanofluids
Nanoparticles
title New temperature dependent thermal conductivity data for water-based nanofluids
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