Computational analysis of encapsulated phase change materials latent heat thermal energy storage system

Computational analysis of encapsulated phase change materials latent heat thermal energy storage system

Mayank SrivastavaM.K. Sinha 

Department of Mechanical Engineering National Institute of Technology Jamshedpur, India

Corresponding Author Email: 
mayank.nitjamshedpur@gmail.com
Page: 
227-239
|
DOI: 
https://doi.org/10.3166/JESA.50.227-239
| |
Published: 
31 August 2017
| Citation

OPEN ACCESS

Abstract: 

This article proposes a computational and mathematical study to analyse interface position, rate of interface and temperature variation of encapsulated phase change thermal energy storage system (TESS) with constant heat flux for outward melting process. Conduction is the main phenomenon that governs the melting process. Spherical and cylindrical geometry is used to encapsulate the phase change material to avoid direct contact between heat transfer fluid (HTF) and phase change materials, which is under constant temperature boundary condition, applied only on one wall. Other walls are thermally insulated. The computational results are obtained for melting of solid which is initially at its fusion temperature by using computational fluid dynamics software and a matlab code has been written to develop a mathematical model for this study.

Keywords: 

conduction, HTF, interface position, melting, phase change materials, TEES

1. Introduction
2. Mathematical modelling
3. Computational modelling
4. Results and discussion
5. Conclusions
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