Xiangjie Chen
Experimental investigations of polymer hollow fibre heat exchangers for building heat recovery application
Chen, Xiangjie; Su, Yuehong; Aydin, Devrim; Reay, David; Law, Richard; Riffat, Saffa
Authors
YUEHONG SU YUEHONG.SU@NOTTINGHAM.AC.UK
Professor of Thermal Science and Building Technology
Devrim Aydin
David Reay
Richard Law
SAFFA RIFFAT saffa.riffat@nottingham.ac.uk
Professor of Sustainable Energy Systems
Abstract
Due to low cost, light weight and corrosion resistant features, polymer heat exchangers have been extensively studied by researchers with the aim to replace metallic heat exchangers in a wide range of applications. Although the thermal conductivity of polymer material is generally lower than the metallic counterparts, the large specific surface area provided by the polymer hollow fibre heat exchanger (PHFHE) offers the same or even better heat transfer performance with smaller volume and lighter weight compared with the metallic shell-and-tube heat exchangers. This paper presents the construction and experimental investigations of polypropylene based polymer hollow fibre heat exchangers in the form of shell-and-tube. The measured overall heat transfer coefficients of such PHFHEs are in the range of 258–1675 W/m2K for water to water application. The effects of various parameters on the overall heat transfer coefficient including flow rates and numbers of fibres, the effectiveness of heat exchanger, the number of heat transfer unit (NTU), and the height of transfer unit (HTU) are also discussed in this paper. The results indicate that the PHFHEs could offer a conductance per unit volume of 4 × 106 W/m3K, which is 2–8 times higher than the conventional metal heat exchangers. This superior thermal performance together with its low cost, corrosive resistant and light weight features make PHFHEs potentially very good substitutes for metallic heat recovery system for building application.
Citation
Chen, X., Su, Y., Aydin, D., Reay, D., Law, R., & Riffat, S. (2016). Experimental investigations of polymer hollow fibre heat exchangers for building heat recovery application. Energy and Buildings, 125, 99-108. https://doi.org/10.1016/j.enbuild.2016.04.083
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 30, 2016 |
Online Publication Date | May 3, 2016 |
Publication Date | Aug 1, 2016 |
Deposit Date | Jun 6, 2016 |
Publicly Available Date | Jun 6, 2016 |
Journal | Energy and Buildings |
Print ISSN | 0378-7788 |
Electronic ISSN | 1872-6178 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 125 |
Pages | 99-108 |
DOI | https://doi.org/10.1016/j.enbuild.2016.04.083 |
Keywords | Polymer hollow fibre; heat recovery; heat exchanger; heat transfer; experimental testing |
Public URL | https://nottingham-repository.worktribe.com/output/797211 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/S0378778816303607 |
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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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