期刊
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
卷 68, 期 -, 页码 248-251出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.icheatmasstransfer.2015.09.001
关键词
DWCNTs; ZnO; Nanofluid; Thermal conductivity; Correlation
资金
- Ministry of Science and Technology [MOST 103-2221-E-027-107-MY2]
Experimental study on the effects of solid volume fraction and temperature on thermal conductivity of DWCNT(inner diameter of 3 nm)-ZnO(diameter of 10-30 nm)/water-ethylene glycol (60:40) nanofluids have been performed using KD2-Pro thermal analyzer in details. The experiments are carried out at solid concentration up to 1% and temperature ranging from 25 to 50 degrees C. Based on experimental results, using non-linear regression on results of experiments, a correlation as a function of temperature and solid volume fraction has been proposed. Measured data show that the relative thermal conductivity enhances with increasing concentration of nanopartides. The increasing temperatures also increase the thermal conductivity of nanofluids, although its effect on the thermal conductivity compared to the effect of volume fraction is lower. (C) 2015 Elsevier Ltd. All rights reserved.
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