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Melting phase change of n-eicosane inside triangular cavity of two orientations
Utilization of the latent heat of the phase change material (PCM) as a thermal energy storage medium is a promising solution compared with sensible energy storage. In this paper, melting of n-eicosane as a PCM inside two orientations of triangular containers is investigated numerically. The one storage cavity is a lower-base container (LBC) and the other is the upper-base container (UBC). The heat is supplied on one side while the other two sides are thermally insulated. The parametric study analyzes the effects of the temperature of a hot wall, the size of the container, and subcooling parameter on the melting process inside two orientations of the cavity. The simulated results unfold that melting rate and the resulting acceleration in charging time is higher in the UBC than that in the LBC. The hot-wall temperature and the size of the container have significant effects on the melt fraction and melting rate. Increasing the temperature of a hot wall and/or decreasing the size of the storage unit leads to expediting the melting for both cavities. Also, the computational findings show unfavorable and relatively unimportant influences of the subcooling parameter on the melting process.
Melting phase change of n-eicosane inside triangular cavity of two orientations
Utilization of the latent heat of the phase change material (PCM) as a thermal energy storage medium is a promising solution compared with sensible energy storage. In this paper, melting of n-eicosane as a PCM inside two orientations of triangular containers is investigated numerically. The one storage cavity is a lower-base container (LBC) and the other is the upper-base container (UBC). The heat is supplied on one side while the other two sides are thermally insulated. The parametric study analyzes the effects of the temperature of a hot wall, the size of the container, and subcooling parameter on the melting process inside two orientations of the cavity. The simulated results unfold that melting rate and the resulting acceleration in charging time is higher in the UBC than that in the LBC. The hot-wall temperature and the size of the container have significant effects on the melt fraction and melting rate. Increasing the temperature of a hot wall and/or decreasing the size of the storage unit leads to expediting the melting for both cavities. Also, the computational findings show unfavorable and relatively unimportant influences of the subcooling parameter on the melting process.
Melting phase change of n-eicosane inside triangular cavity of two orientations
Dhaidan, Nabeel S. (author)
2017-09-01
13 pages
Article (Journal)
Electronic Resource
English
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