The effects of temperature and volume fraction on the thermal conductivity of functionalized DWCNTs/ethylene glycol nanofluid

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• 作者：Meisam Shamaeil ; Masoumeh Firouzi…
• 关键词：Thermal conductivity ; DWCNTs ; Ethylene glycol ; New correlation
• 刊名：Journal of Thermal Analysis and Calorimetry
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：126
• 期：3
• 页码：1455-1462
• 全文大小：1,381 KB
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Sciences
  Polymer Sciences
  Physical Chemistry
  Inorganic Chemistry
  Measurement Science and Instrumentation
  
• 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
• ISSN：1572-8943
• 卷排序：126

文摘

An experimental study on the effects of temperature and volume fraction of double-walled carbon nanotubes (DWCNTs) on the thermal conductivity of ethylene glycol (EG) was performed. In this way, the thermal conductivity of samples of nanofluid was examined at temperature ranging from 27 to 52 °C and concentrations range of 0.02, 0.05, 0.075, 0.1, 0.25, and 0.6 %. The results showed that the thermal conductivity of nanofluids enhances strangely with increase in volume fraction and temperature. Moreover, attempts were made to provide a new correlation for predicting the thermal conductivity of functionalized DWCNTs/EG nanofluid at different temperatures and concentrations. Finally, a deviation of margin analysis of the correlation revealed that there is a good agreement between experimental data and correlation outputs.