Development of a novel phase change material emulsion for cooling systems

In this paper, a novel phase change material emulsion (PCE-10) consisting of an organic PCM (RT10) and water has been developed. Its thermophysical properties such as heat of fusion, viscosity and sub-cooling temperature have been established. The chemical stability during both storage and discharge...

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Bibliographic Details
Published in:Renewable energy 2016-03, Vol.87, p.509-516
Main Authors: Shao, Jingjing, Darkwa, Jo, Kokogiannakis, Georgios
Format: Article
Language:English
Subjects:
PCM emulsion
Preparation method
Stability
Thermo-physical properties
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Summary:In this paper, a novel phase change material emulsion (PCE-10) consisting of an organic PCM (RT10) and water has been developed. Its thermophysical properties such as heat of fusion, viscosity and sub-cooling temperature have been established. The chemical stability during both storage and discharge periods have also been evaluated. The results indicate low sub-cooling temperature and relatively long period of stability without any sign of segregation but the viscosity was found to be much higher than that of water. Further improvement and experimental studies into its flow characteristics are therefore being encouraged. •Surfactant selection procedure was introduced in detail.•Heat storage capacity of PCE-10 was 1.8 times higher than water.•Sub-cooling of sample was reduced to 0.2 °C.•Sample achieved good stability under storage and thermal-mechanical load.
ISSN:0960-1481
1879-0682
DOI:10.1016/j.renene.2015.10.050