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Proceedings Paper

Hybrid photovoltaic/daylighting module for greenhouse environmental control
Author(s): Shelby Vorndran; Juan Russo; Yuechen Wu; Raymond Kostuk
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Paper Abstract

A hybrid photovoltaic/illumination rooftop module is proposed for greenhouse environmental control. The design counterbalances seasonal irradiance and temperature extremes while simultaneously generating renewable energy. Oneaxis tracking is used to increase photovoltaic collection. The tracking system also provides a seasonal variation of shading and ventilation to control temperature in the greenhouse. A faceted illumination structure is added to the module, which modifies irradiance by changing the solar angle. Irradiance in the greenhouse is simulated throughout the year for a particular site latitude and facet angle. Adjustments in the design can be made to customize the rooftop for a specific site location, illumination range, and irradiance uniformity.

Paper Details

Date Published: 18 September 2013
PDF: 6 pages
Proc. SPIE 8834, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X, 88340E (18 September 2013); doi: 10.1117/12.2026422
Show Author Affiliations
Shelby Vorndran, College of Optical Sciences, The Univ. of Arizona (United States)
Juan Russo, The Univ. of Arizona (United States)
Yuechen Wu, The Univ. of Arizona (United States)
Raymond Kostuk, The Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 8834:
Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X
Roland Winston; Jeffrey Gordon, Editor(s)

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