ZIWEI CHEN ZIWEI.CHEN@NOTTINGHAM.AC.UK
Senior Research Fellow
Experimental study of a membrane-based dehumidification cooling system
Chen, Ziwei; Zhu, Jie; Bai, Hongyu; Yan, Yuying; Zhang, Lizhi
Authors
Dr JIE ZHU JIE.ZHU@NOTTINGHAM.AC.UK
Lecturer
Hongyu Bai
YUYING YAN YUYING.YAN@NOTTINGHAM.AC.UK
Professor of Thermofluids Engineering
Lizhi Zhang
Abstract
Membrane-based liquid desiccant dehumidification has attracted increasing interests with elimination of solution droplets carryover problem. In this study, a membrane-based hybrid liquid desiccant dehumidification cooling system is developed, which is mainly composed of a dehumidifier, a regenerator and an evaporative cooler. The system is capable to remove latent load by the liquid desiccant dehumidification unit and simultaneously to handle sensible load with an evaporative cooling unit. This paper presents a performance evaluation study of the hybrid system with calcium chloride as liquid desiccant based on experimental data. Series of tests are conducted to identify influences of operating variables and conditions (i.e. desiccant solution concentration ratio, regeneration temperature, inlet air condition, etc.) on the system performance. The experimental results indicate that the system is viable for dehumidification cooling purpose. Furthermore, it is noteworthy that mass balance between the dehumidifier and regenerator should be achieved for system steady operation. Thermal COPth of 0.70 and 24 electrical COPel of 2.62 are achieved respectively under steady operating condition at CaCl2 concentration ratio of 36%.
Citation
Chen, Z., Zhu, J., Bai, H., Yan, Y., & Zhang, L. (2017). Experimental study of a membrane-based dehumidification cooling system. Applied Thermal Engineering, 115, https://doi.org/10.1016/j.applthermaleng.2016.10.153
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 24, 2016 |
Online Publication Date | Oct 27, 2016 |
Publication Date | Mar 25, 2017 |
Deposit Date | Oct 25, 2016 |
Publicly Available Date | Oct 27, 2016 |
Journal | Applied Thermal Engineering |
Print ISSN | 1359-4311 |
Electronic ISSN | 1873-5606 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 115 |
DOI | https://doi.org/10.1016/j.applthermaleng.2016.10.153 |
Keywords | Liquid desiccant, Dehumidification, Regeneration, Membrane, Experimental tests |
Public URL | https://nottingham-repository.worktribe.com/output/851997 |
Publisher URL | http://www.sciencedirect.com/science/article/pii/S1359431116326977 |
Contract Date | Oct 25, 2016 |
Files
2016 Heat transfer Conference paper_for journal v4.pdf
(789 Kb)
PDF
Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0
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