Analysis of the charging process for a phase change thermal energy storage system using the heat balance integration method

Stanley A. Omenai *

Department of Mechanical Engineering, Georgia Institute of Technology, Atlanta, USA.
 
Research Article
International Journal of Science and Research Archive, 2024, 13(02), 2476–2488.
Article DOI: 10.30574/ijsra.2024.13.2.2443
Publication history: 
Received on 31 October 2024; revised on 05 December 2024; accepted on 07 December 2024
 
Abstract: 
Thermal Energy Storage (TES) is a significant topic of interest as it offers a low-cost method to store and deliver energy when needed. There are several forms of thermal energy storage ranging from sensible, latent, and thermochemical.
In this paper, the various forms of thermal energy storage have been reviewed, and the mathematical modelling of the charging process for phase change thermal energy storage system has been formulated for use in a typical fast-food outfit where significant amounts of heat energy are readily available for capture during the day and re-use at night.
The behavior of the Phase Change Material (PCM) during melting in a cylindrical encapsulation under fixed boundary conditions: location of the solid-liquid interface across the phase change material, transient temperature distribution of the liquid phase and latent heat absorbed are also analyzed.
 
Keywords: 
Thermal Energy Storage; Phase Change Material; Heat Balance Integration Method; Thermal Diffusivity; Stefan Number
 
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