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Materials 2017, 10(1), 38; doi:10.3390/ma10010038

Thermal Properties of the Mixed n-Octadecane/Cu Nanoparticle Nanofluids during Phase Transition: A Molecular Dynamics Study

1
Chongqing Key Laboratory of Heterogeneous Material Mechanics, College of Aerospace Engineering, Chongqing University, Chongqing 400044, China
2
Key Laboratory of Low-grade Energy Utilization Technology & System, Ministry of Education, College of Power Engineering, Chongqing University, Chongqing 400044, China
3
State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an 710049, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Ming Hu
Received: 18 November 2016 / Revised: 27 December 2016 / Accepted: 30 December 2016 / Published: 5 January 2017
(This article belongs to the Special Issue Thermal Sciences and Thermodynamics of Materials)
View Full-Text   |   Download PDF [2525 KB, uploaded 5 January 2017]   |  

Abstract

Paraffin based nanofluids are widely used as thermal energy storage materials and hold many applications in the energy industry. In this work, equilibrium and nonequilibrium molecular dynamics simulations are employed to study the thermal properties of the mixed nanofluids of n-octadecane and Cu nanoparticles during phase transition. Four different nanofluids systems with different mass ratios between the n-octadecane and Cu nanoparticles have been studied and the results show that Cu nanoparticles can improve the thermal properties of n-octadecane. The melting point, heat capacity and thermal conductivity of the mixed systems are decreased with the increasing of the mass ratio of n-octadecane. View Full-Text
Keywords: n-octadecane; Cu nanoparticle; phase transition; thermal conductivity; molecular dynamics simulation n-octadecane; Cu nanoparticle; phase transition; thermal conductivity; molecular dynamics simulation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Li, Q.; Yu, Y.; Liu, Y.; Liu, C.; Lin, L. Thermal Properties of the Mixed n-Octadecane/Cu Nanoparticle Nanofluids during Phase Transition: A Molecular Dynamics Study. Materials 2017, 10, 38.

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