Thermal Conductivity of AlN–Ethanol Nanofluids

被引：3
|
作者：
Peng Hu
Wan-Liang Shan
Fei Yu
Ze-Shao Chen
机构：
[1] University of Science and Technology of China,Department of Thermal Science and Energy Engineering
[2] University of Science and Technology of China,Laboratory of Mechanical and Material Science
来源：
International Journal of Thermophysics | 2008年 / 29卷
关键词：
AlN; Ethanol; Nanofluid; Thermal conductivity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Aluminum nitride (AlN) particles of 20 nm diameter were dispersed into ethanol by a two-step process, first magnetic striation and then ultrasonic agitation. Castor oil was added as a dispersant to improve the stability of the AlN suspension. The thermal conductivities of AlN–ethanol nanofluids were measured by a hot-disk method from 0.5 vol% to 4.0 vol% at temperatures of 273.15 K and 297.15 K. Results show about 20% increase in the thermal conductivity of ethanol with the addition of 4.0 vol% at 273.15 K, and a strong temperature dependence of the thermal conductivity.
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页码：1968 / 1973
页数：5
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