Hongyu Bai
Theoretical analysis of a membrane-based cross-flow liquid desiccant system
Bai, Hongyu; Chen, Ziwei; Xu, Haijia; Zhu, Jie
Authors
ZIWEI CHEN ZIWEI.CHEN@NOTTINGHAM.AC.UK
Senior Research Fellow
Haijia Xu
Dr JIE ZHU JIE.ZHU@NOTTINGHAM.AC.UK
Lecturer
Abstract
Liquid desiccant air dehumidification has become one of the most widely used dehumidification technologies with advantages of high efficiency, no liquid condensate droplets and capability of energy storage. In this paper a cross-flow mathematical model is developed for a single layer membrane unit. The governing equations are solved iteratively by finite difference method. The performance analysis is carried out for a small-scale membrane-based dehumidification module consisting of 8 air channels and 8 solution channels. The influences of main design parameters on system effectiveness are evaluated. These include air flow rate (NTU), solution to air mass flow rate ration (m*) and solution inlet temperature and concentration. It is revealed that higher sensible and latent effectiveness can be achieved with larger NTU and m*. Increasing solution concentration can also improve the dehumidification effect.
Citation
Bai, H., Chen, Z., Xu, H., & Zhu, J. (2016). Theoretical analysis of a membrane-based cross-flow liquid desiccant system.
Conference Name | International Symposium of Heat Transfer and Heat Powered Cycles 2016 |
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End Date | Jun 29, 2016 |
Acceptance Date | May 10, 2016 |
Publication Date | Jun 29, 2016 |
Deposit Date | Jun 17, 2016 |
Publicly Available Date | Jun 29, 2016 |
Peer Reviewed | Peer Reviewed |
Keywords | Dehumidification, Liquid desiccant, Membrane-based |
Public URL | https://nottingham-repository.worktribe.com/output/793047 |
Related Public URLs | http://www.nottingham.ac.uk/conference/fac-eng/ihts-hpc2016/index.aspx |
Contract Date | Jun 17, 2016 |
Files
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