多壁碳纳米管冷冻机油密度和热导率的实验研究

doi:10.16085/j.issn.1000-6613.2016.05.033

化工进展 ›› 2016, Vol. 35 ›› Issue (05): 1490-1493.DOI: 10.16085/j.issn.1000-6613.2016.05.033

多壁碳纳米管冷冻机油密度和热导率的实验研究

陈梦寻¹, 张华¹, 娄江峰², 张博涵³

1. 上海理工大学能源与动力工程学院, 上海 200093;
2. 浙江盾安人工环境设备股份有限公司, 浙江诸暨 311835;
3. 大连海事大学轮机工程学院, 辽宁大连 116026

收稿日期:2015-08-07 修回日期:2015-09-11 出版日期:2016-05-05 发布日期:2016-05-05
通讯作者: 张华,教授,博士生导师,主要从事制冷空调与新能源利用方向的研究。E-mail zhanghua3000@163.com。
作者简介:陈梦寻(1992-),女,硕士研究生,主要从事纳米制冷技术的研究。E-mail 1090357452@qq.com。
基金资助:
国家自然科学基金(51176124)、上海市曙光计划(跟踪)项目(10GG21)及上海市研究生创新基金(JWCXSL1101)项目。

Experimental study on density and thermal conductivity of multiwalled carbon nanotube nanolubricate

CHEN Mengxun¹, ZHANG Hua¹, LOU Jiangfeng², ZHANG Bohan³

1. School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093 China;
2. Zhejiang DUN'AN Artificial Environmental Equipment Co., Ltd., Zhuji 311835, Zhejiang, China;
3. College of Marine Engineering, Dalian Maritime University, Dalian 116026, Liaoning, China

Received:2015-08-07 Revised:2015-09-11 Online:2016-05-05 Published:2016-05-05

摘要/Abstract

摘要： 采用超声振荡的方法制备稳定性良好的多壁碳纳米管冷冻机油。在不同温度(20~80℃)下,利用密度计和热导率测试系统对不同浓度的多壁碳纳米管冷冻机油(MWCNTs的质量分数为0.5%、1.0%、1.5%、2.0%)进行测试和分析。实验结果表明:冷冻机油的密度随MWCNTs质量分数的增加而增大,随温度的升高而减小;冷冻机油的热导率随MWCNTs质量分数的增大而增大,随温度的升高而增大,其中,热导率增大的效果随质量分数增加较随温度升高更为明显。当多壁碳纳米管质量分数为2%、温度为80℃时,纳米冷冻机油的热导率可达到0.1637W/(m·K),较同温度下纯RL68H冷冻机油热导率增大9.13%。

关键词: 多壁碳纳米管, 制备, 纳米粒子, 分散, 密度, 热导率

Abstract: Multiwalled carbon nanotube nano-oil with good stability were prepared by ultrasonic vibration methods. Under different temperatures (20-80℃), density and thermal conductivity of the multiwalled carbon nanotube nano-oil (MWCNTs mass fraction were 0.5%, 1.0%, 1.5%, 2.0%) were investigated experimentally by using density meter and the thermal conductivity test system. The experimental results show that the density of the multiwalled carbon nanotube nano-oil increases with an increase of nanoparticles mass fractions, and decreases as temperature, while the thermal conductivity increases with nanoparticles mass fractions and temperature. Among them, the effect of the thermal conductivity increasing with mass fraction is more apparent than that with temperature. When the mass fraction of multi-walled carbon nanotubes is 2% and temperature is 80℃, the thermal conductivity of MWCNTs nano-oil could reach 0.1637W/(m·K), increased by 9.13% compared with that of pure RL68H under the same temperature.

Key words: multiwalled carbon nanotube, preparation, nanoparticles, dispersion, density, thermal conductivity

中图分类号:

陈梦寻, 张华, 娄江峰, 张博涵. 多壁碳纳米管冷冻机油密度和热导率的实验研究[J]. 化工进展, 2016, 35(05): 1490-1493.

CHEN Mengxun, ZHANG Hua, LOU Jiangfeng, ZHANG Bohan. Experimental study on density and thermal conductivity of multiwalled carbon nanotube nanolubricate[J]. Chemical Industry and Engineering Progree, 2016, 35(05): 1490-1493.

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多壁碳纳米管冷冻机油密度和热导率的实验研究

Experimental study on density and thermal conductivity of multiwalled carbon nanotube nanolubricate

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