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Selective light transmission as a leading innovation for solar swimming pool covers

Waché, Rémi, Fielder, Tim, Dickinson, Will E.C., Hall, Joe L., Adlington, Peter, Sweeney, Stephen J. and Clowes, Steven K. (2020) Selective light transmission as a leading innovation for solar swimming pool covers Solar Energy, 207. pp. 388-397.

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An innovative, extrudable material with the ability to filter the sun’s energy has been developed for the mass manufacture of high performance swimming pool covers. Solar radiation in the visible spectrum ( nm) is absorbed by the material so that minimal visible light enters the pool water which inhibits photosynthesis to prevent algae growth. Furthermore, the material has high transmission properties in the near infrared that can be efficiently absorbed by the water allowing for a higher temperature increase compared to a standard non-selective opaque cover. We have developed a model to enable the cover efficiency to convert solar energy to heat a swimming pool, calculated based on the wavelength dependent absorption and transmission properties of the cover. We have validated this model using dedicated full-scale test-facility. Our results demonstrate that a selective transmission cover can increase the absolute heating efficiencies by approximately 12% compared to the fully opaque equivalent.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
Waché, Rémi
Fielder, Tim
Dickinson, Will E.C.
Hall, Joe L.
Adlington, Peter
Sweeney, Stephen
Clowes, Steven
Date : 9 July 2020
Funders : Innovate UK
DOI : 10.1016/j.solener.2020.06.022
Grant Title : Knowledge Transfer Partnership (KTP) scheme
Copyright Disclaimer : © 2020 International Solar Energy Society. Published by Elsevier Ltd. All rights reserved.
Projects : Knowledge Transfer Partnership (KTP) scheme
Uncontrolled Keywords : Solar energy; Outdoor swimming pool; Pool cover efficiency model; Experimental validation; Solar thermal systems;
Additional Information : Embargo OK Metadata OK No Further action
Depositing User : James Marshall
Date Deposited : 21 Jul 2020 14:39
Last Modified : 09 Mar 2021 15:33

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