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Establishment and verification of solar radiation calculation model of glass daylighting roof in hot summer and warm winter zone in China

Zheng, C., Wu, P., Costanzo, V., Wang, Y. and Yang, X. (2017) Establishment and verification of solar radiation calculation model of glass daylighting roof in hot summer and warm winter zone in China. Procedia Engineering, 205. pp. 2903-2909. ISSN 1877-7058

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To link to this item DOI: 10.1016/j.proeng.2017.10.089

Abstract/Summary

In this paper, solar heat gain through glass daylighting roof is deeply studied by theoretical calculation method, taking Guangzhou in the Hot Summer and Warm Winter (HSWW) zone as an example. The direct solar radiation is calculated by Bouguer formula whereas the diffuse solar radiation is calculated by Berlage formula, representing the basis for the calculation method of the solar radiation intensity through the glass daylighting roof. Through the establishment of solar radiation calculation model, the solar heat gain of the commonly used glass types has been calculated and analyzed, especially comparatively analyzing of Low-E cored-glass with double-coated silver and 6+12A+6 insulating glass. Then, comparison between solar heat gain as calculated and measured by field measurement tested the indoor solar radiation heat gain distribution by using adjacent rooms with different glass types in a hot summer area, with the aim of demonstrating the effectiveness of the model. The research in this paper is expected to further improve the calculation accuracy of both thermal load and indoor temperature.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of the Built Environment > Construction Management and Engineering > Innovative and Sustainable Technologies
ID Code:74022
Publisher:Elsevier

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