Wind loads on solar panels mounted parallel to pitched roofs, and acting on the underlying roof

Leitch, C.J., Ginger, J.D., and Holmes, J.D. (2016) Wind loads on solar panels mounted parallel to pitched roofs, and acting on the underlying roof. Wind & Structures, 22 (3). pp. 307-328.

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Abstract

This paper describes an investigation of the net wind loads on solar panels and wind loads on the underlying roof surface for panels mounted parallel to pitched roofs of domestic buildings. Typical solar panel array configurations were studied in a wind tunnel and the aerodynamic shape factors on the panels were put in a form appropriate for the Australian/New Zealand Wind Actions Standard AS/NZS 1170.2:2011. The results can also be used to obtain more refined design data on individual panels within an array. They also suggest values for the aerodynamic shape factors on the roof surface under the panels, based on a gust wind speed at roof height, of ± 0.5 for wind blowing parallel to the ridge, and ± 0.6 for wind blowing perpendicular to the ridge. The net loads on solar arrays in the middle portion of the roof are larger than those on the same portion of the roof without any solar panels, thus resulting in increased loads on the underlying roof structure.

Item ID: 43962
Item Type: Article (Research - C1)
ISSN: 1598-6225
Keywords: wind load; solar panel; code; standard; low-rise building; roof
Date Deposited: 09 Aug 2016 03:29
FoR Codes: 09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 100%
SEO Codes: 87 CONSTRUCTION > 8702 Construction Design > 870203 Industrial Construction Design @ 30%
87 CONSTRUCTION > 8702 Construction Design > 870204 Residential Construction Design @ 30%
87 CONSTRUCTION > 8702 Construction Design > 870202 Commercial Construction Design @ 40%
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