Measurement of thermal conductivity, viscosity and density of ionic liquid [EMIM][DEP]-based nanofluids

doi:10.1016/j.cjche.2015.11.024

Chinese Journal of Chemical Engineering ›› 2016, Vol. 24 ›› Issue (3): 331-338.DOI: 10.1016/j.cjche.2015.11.024

• 第25届中国过程控制会议专栏 • 下一篇

Hua Xie¹, Zongchang Zhao¹, Jianhua Zhao¹, Hongtao Gao²

收稿日期:2015-06-30 修回日期:2015-09-27 出版日期:2016-03-28 发布日期:2016-04-08
通讯作者: Zongchang Zhao

Measurement of thermal conductivity, viscosity and density of ionic liquid [EMIM][DEP]-based nanofluids

Hua Xie¹, Zongchang Zhao¹, Jianhua Zhao¹, Hongtao Gao²

1 School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China;
2 Institute of Marine Engineering and Thermal Science, Dalian Maritime University, Dalian 116026, China

Received:2015-06-30 Revised:2015-09-27 Online:2016-03-28 Published:2016-04-08
Supported by:
Supported by the National Natural Science Foundation of China(51376036).

摘要/Abstract

Abstract: This article studied experimentally the effect ofmulti-wall carbon nanotubes(MWCNTs) on the thermo physical properties of ionic liquid-based nanofluids.The nanofluids were composed of ionic liquid, 1-ethyl-3-methylimidazolium diethylphosphate [EMIM][DEP], or its aqueous solution [EMIM][DEP](1)+H₂O(2) and MWCNTs without any surfactants.The thermal conductivity, viscosity and density of the nanofluids were measured experimentally.The effects of the mass fraction of MWCNTs, temperature and the mole fraction of water on the thermo physical properties of nanofluids were studied.Results show that the thermal conductivity of nanofluids increaseswithin the range of 1.3%-9.7% compared to their base liquids, and have a well linear dependence on temperature.The viscosity and density of the nanofluids exhibit a remarkable increase compared with those of the base liquids.Finally, the correlation of the effective thermal conductivity and viscosity of the nanofluids was made using the models in the literatures.

Key words: Nanofluid, Multi-wall carbon nanotubes, Thermal conductivity, Viscosity, Density

Hua Xie, Zongchang Zhao, Jianhua Zhao, Hongtao Gao. [J]. Chinese Journal of Chemical Engineering, 2016, 24(3): 331-338.

Hua Xie, Zongchang Zhao, Jianhua Zhao, Hongtao Gao. Measurement of thermal conductivity, viscosity and density of ionic liquid [EMIM][DEP]-based nanofluids[J]. Chin.J.Chem.Eng., 2016, 24(3): 331-338.

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Measurement of thermal conductivity, viscosity and density of ionic liquid [EMIM][DEP]-based nanofluids

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