Seddegh, Saeid, Wang, Xiaolin, Joybari, Mahmood Mastani and Haghighat, Fariborz (2017) Investigation of the effect of geometric and operating parameters on thermal behavior of vertical shell-and-tube latent heat energy storage systems. Energy . ISSN 03605442 (In Press)
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Official URL: http://dx.doi.org/10.1016/j.energy.2017.07.014
Abstract
In this study, the effect of the geometrical and operational parameters on vertical cylindrical shell-and-tube LHTES systems is investigated. Four different ratios of the shell-to-tube radius are considered with the phase change material (PCM) on the shell side and the heat transfer fluid (HTF) flowing through the tube. The PCM temperature distributions are measured and compared experimentally among the studied storage units. A weighting method is utilized to calculate the average PCM temperature, liquid fraction, and stored energy fraction to evaluate the performance of the storage units. The results show that a shell to tube radius ratio of 5.4 offers better system performance in terms of the charging time and stored energy in the studied LHTES systems. Furthermore, the effects of HTF flow rate and temperature on the storage performance are studied. The HTF flow rate does not show a significant effect on the storage performance; however, the HTF temperature shows large impacts on the charging time. As the HTF temperature increases from 70 to 80 °C, the charging time reduces by up to 68% depending on the radius ratio.
| Divisions: | Concordia University > Gina Cody School of Engineering and Computer Science > Building, Civil and Environmental Engineering |
|---|---|
| Item Type: | Article |
| Refereed: | Yes |
| Authors: | Seddegh, Saeid and Wang, Xiaolin and Joybari, Mahmood Mastani and Haghighat, Fariborz |
| Journal or Publication: | Energy |
| Date: | 4 July 2017 |
| Digital Object Identifier (DOI): | 10.1016/j.energy.2017.07.014 |
| Keywords: | latent heat thermal energy storage; phase change material; geometrical parameter; shell-and-tube; heat exchanger |
| ID Code: | 982666 |
| Deposited By: | Danielle Dennie |
| Deposited On: | 06 Jul 2017 13:57 |
| Last Modified: | 01 Jul 2018 00:00 |
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