Journal
ENERGY CONVERSION AND MANAGEMENT
Volume 64, Issue -, Pages 152-156Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2012.05.013
Keywords
Melting behavior; Molecular dynamics simulation; Phase change materials slurry; n-Nonadecane
Categories
Funding
- National Natural Science Foundation of China [51146009]
- Ministry of Science and Technology of China [2011DFA60290]
- Research plan of Guangdong Province, China [2010A080802003]
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The alkane based phase change materials slurry, with high latent heat storage capacity, is effective to enhance the heat transfer rate of traditional fluid. In this paper, the melting behavior of composite phase change materials slurry which consists of n-nonadecane and water was investigated by using molecular dynamics simulation. Four different systems including pure water and water/n-nonadecane composite were constructed with amorphous structure and periodic boundary conditions. The results showed that the simulated density and melting temperature were very close to the published experimental values. Mixing the n-nonadecane into water decreased the mobility but increased the energy storage capacity of composite systems. To describe the melting behavior of alkane based phase change materials slurry on molecular or atomic scale, molecular dynamics simulation is an effective method. (C) 2012 Elsevier Ltd. All rights reserved.
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