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A comparative study of thermal behaviour of a horizontal and vertical shell-and-tube energy storage using phase change materials
Citation
Seddegh, S and Wang, X and Henderson, AD, A comparative study of thermal behaviour of a horizontal and vertical shell-and-tube energy storage using phase change materials, Applied Thermal Engineering, 93 pp. 348-358. ISSN 1359-4311 (2016) [Refereed Article]
Copyright Statement
Copyright 2015 Elsevier Ltd.
DOI: doi:10.1016/j.applthermaleng.2015.09.107
Abstract
In this paper, thermal behaviour in a vertical and horizontal shell-and-tube energy storage system using
phase change materials (PCMs) is investigated and compared using a combined conduction and convection
heat transfer model. The model is first evaluated using published experimental data available in the
literature and then used to study the temperature variation, solid–liquid interface, phase distribution,
total melting and solidification time during the charging and discharging processes of PCMs. The simulated
results show that during the charging process for the horizontal orientation, convective heat transfer
has a strong effect on melting of the upper part of the solid PCM and is less significant during melting
of the lower half of the solid PCM. However, in the vertical orientation, convective heat transfer is the
same active during the entire charging process. In the discharging process, the thermal behaviour does
not show any difference between horizontal and vertical systems. The results indicate that the horizontal
orientation has superior thermal performance during the charging and in particular during part-load
energy charging. The results also show that increasing the hot heat transfer fluid (HTF) inlet temperature
substantially reduces the total charging time for both orientations. However, increasing the flow rate does
not greatly affect the charging and discharging processes.
Item Details
| Item Type: | Refereed Article |
|---|---|
| Keywords: | latent heat energy storage, phase change material, natural convection, melting, solidification |
| Research Division: | Engineering |
| Research Group: | Mechanical Engineering |
| Research Field: | Energy Generation, Conversion and Storage Engineering |
| Objective Division: | Energy |
| Objective Group: | Renewable Energy |
| Objective Field: | Solar-Thermal Energy |
| Author: | Seddegh, S (Mr Saeid Seddegh Kiyaroudi) |
| Author: | Wang, X (Associate Professor Xiaolin Wang) |
| Author: | Henderson, AD (Dr Alan Henderson) |
| ID Code: | 105049 |
| Year Published: | 2016 |
| Web of Science® Times Cited: | 31 |
| Deposited By: | Engineering |
| Deposited On: | 2015-12-04 |
| Last Modified: | 2017-11-06 |
| Downloads: | 0 |
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