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Experimental investigation of evacuated heat pipe solar collector efficiency using phase-change fluid

Fang, Wenbo; Riffat, Saffa; Wu, Yupeng

Authors

Wenbo Fang

SAFFA RIFFAT saffa.riffat@nottingham.ac.uk
Professor of Sustainable Energy Systems

YUPENG WU yupeng.wu@nottingham.ac.uk
Professor of Building Physics



Abstract

Performance of a microencapsulated phase-change material (PCM) as a heat-transport medium in an evacuated heat pipe solar collector was evaluated and the results compared with those using water. Collector efficiency was experimentally determined according to the method based on European Standard EN 12975–2:2006. This method proved unsuitable when using an encapsulated PCM suspension. A modified test method was proposed, which was appropriate for predicting solar collector efficiency when using a phase-change fluid. Average solar collection efficiency when using a PCM suspension was higher than that using water.

Citation

Fang, W., Riffat, S., & Wu, Y. (in press). Experimental investigation of evacuated heat pipe solar collector efficiency using phase-change fluid. International Journal of Low-Carbon Technologies, https://doi.org/10.1093/ijlct/ctx010

Journal Article Type Article
Acceptance Date Jun 27, 2017
Online Publication Date Jul 31, 2017
Deposit Date Nov 1, 2017
Publicly Available Date Nov 1, 2017
Journal International Journal of Low-Carbon Technologies
Print ISSN 1748-1317
Electronic ISSN 1748-1325
Publisher Oxford University Press
Peer Reviewed Peer Reviewed
DOI https://doi.org/10.1093/ijlct/ctx010
Keywords test method EN 12975; phase-change material; encapsulation; solar collector efficiency
Public URL http://eprints.nottingham.ac.uk/id/eprint/47748
Publisher URL https://academic.oup.com/ijlct/article-lookup/doi/10.1093/ijlct/ctx010
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0





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