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Title: A model for latent heat energy storage systems
Authors: Uludağ Üniversitesi/Mühendislik Mimarlık Fakültesi/Makine Mühendisliği Bölümü.
Yüksel, Numan
Avcı, Atakan
Kılıç, Muhsin
Keywords: Energy & fuels
Nuclear science & technology
Storage time and mathematical model
Phase change
Energy storage
Flow rate
Heat storage
Mathematical models
Phase change materials
Specific heat
Heat charge
Heat discharge
Heat energy storage system
Storage time
Issue Date: 2006
Publisher: Wiley
Citation: Yüksel, N. vd. (2006). ''A model for latent heat energy storage systems''. International Journal of Energy Research, 30(4), 1146-1157.
Abstract: In this study, a theoretical approach is proposed for the prediction of time and temperature during the heat charge and discharge in the latent heat storage of phase changed materials (PCM). By the use of the average values of the mean specific heat capacities for the phase-changed materials, analytical solutions are obtained and compared with the available experimental data in the literature. It is shown that decreasing the entry temperature of the working fluid from -4 to -15 degrees C has a very dominant and strong effect on the PCM solidification time. The effect of the working fluid flow rate and the material of PCM capsules on the time for complete solidification and total charging is also investigated. The agreement between the present theoretical model results and the experimental data related to the cooling using small spheres and the heat storage using rectangle containers is very good. The largest difference between the present results and the experimental data becomes about 10% when the fluid temperature approaches the phase change temperature at high temperatures.
ISSN: 0363-907X
Appears in Collections:Scopus
Web of Science

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