New temperature dependent thermal conductivity data for water-based nanofluids

被引：792

作者：

Mintsa, Honorine Angue ^{[1
]}

Roy, Gilles ^{[1
]}

Nguyen, Cong Tam ^{[1
]}

Doucet, Dominique ^{[1
]}

机构：

[1] Univ Moncton, Dept Mech Engn, Moncton, NB E1A 3E9, Canada

来源：

INTERNATIONAL JOURNAL OF THERMAL SCIENCES | 2009年 / 48卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Nanofluids; Nanoparticles; Effective thermal conductivity; Heat transfer enhancement; Alumina nanoparticles; Copper oxide nanoparticles; HEAT-TRANSFER; BROWNIAN-MOTION; DIFFUSIVITY; SUSPENSIONS; NANOLAYER; FLUIDS;

D O I：

10.1016/j.ijthermalsci.2008.03.009

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

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. (C) 2008 Elsevier Masson SAS. All rights reserved.

引用

页码：363 / 371

页数：9

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