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The effect of colour on the thermal performance of building integrated solar collectors

Version 2 2024-06-04, 12:55
Version 1 2014-10-28, 08:48
journal contribution
posted on 2024-06-04, 12:55 authored by T Anderson, M Duke, J Carson
The use of solar collectors with coloured absorbers for water heating is an area of particular interest when considering their integration with buildings. By matching the absorber colour with that of the roof or façade of the building, it is possible to achieve an architecturally and visually pleasing result. Despite the potential for the use of coloured absorbers, very little work has been undertaken in the field.

In this study, the thermal performance of a series of coloured (ranging from white to black), building integrated solar collectors for water heating was examined both theoretically and experimentally. Subsequently, the annual solar fraction for typical water heating systems with coloured absorbers was calculated. The results showed that coloured solar collector absorbers can make noticeable contributions to heating loads. Furthermore, although their thermal efficiency is lower than highly developed selective coating absorbers, they offer the advantage of improved aesthetic integration with buildings.

History

Journal

Solar energy materials and solar cells

Volume

94

Pagination

350-354

Location

Amsterdam, The Netherlands

ISSN

0927-0248

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2009, Elsevier B.V.

Issue

2

Publisher

Elsevier BV

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