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Materials 2016, 9(3), 213; doi:10.3390/ma9030213

On the Behavior of Different PCMs in a Hot Water Storage Tank against Thermal Demands

1
School of Industrial Engineering, University of Vigo, Campus Lagoas-Marcosende s/n, Vigo 36310, Spain
2
School of Marine Engineers, Technical University of Madrid, Madrid 28040, Spain
3
Defense University Center, Naval Academy, Marín 36900, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Luisa F. Cabeza
Received: 19 January 2016 / Revised: 11 March 2016 / Accepted: 17 March 2016 / Published: 21 March 2016
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Abstract

Advantages, such as thermal storage improvement, are found when using PCMs (Phase Change Materials) in storage tanks. The inclusion of three different types of materials in a 60 l test tank is studied. Two test methodologies were developed, and four tests were performed following each methodology. A thermal analysis is performed to check the thermal properties of each PCM. The distributions of the water temperatures inside the test tanks are evaluated by installing four Pt-100 sensors at different heights. A temperature recovery is observed after exposing the test tank to an energy demand. An energetic analysis that takes into account the energy due to the water temperature, the energy due to the PCM and the thermal loss to the ambient environment is also presented. The percentage of each PCM that remains in the liquid state after the energy demand is obtained. View Full-Text
Keywords: phase change material; water tank; experimental work; thermal analysis; energetic analysis phase change material; water tank; experimental work; thermal analysis; energetic analysis
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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MDPI and ACS Style

Porteiro, J.; Míguez, J.L.; Crespo, B.; de Lara, J.; Pousada, J.M. On the Behavior of Different PCMs in a Hot Water Storage Tank against Thermal Demands. Materials 2016, 9, 213.

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