CFD Analysis of Discharging Phenomenon of Encapsulated Phase Change Thermal Energy Storage System
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Abstract
Thermal Energy Storage System (TESS) represent a secure, dependable and remarkable solution for the storage of non-conventional and waste energy sources. Energy serves as a pivotal element across diverse domains such as households, industry, communication, transportation, defence and agriculture. This paper focuses on the development of mathematical models and numerical solutions for Latent Heat Thermal Energy Storage (LHTES) systems utilizing phase change materials (PCM) which can be used for the thermal energy management in electric vehicle. Numerical solution techniques serve as robust tools for approximating the thermal behaviour of LHTES system. This study aims to simulate the outward melting process model of PCM in rectangular encapsulation within the LHTES system. The analysis reveals that the charging and discharging rates of a defined geometry are governed by a dimensionless parameter known as the Stefan number (St), which depends on the latent heat and sensible heat characteristics.
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