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Kapur, N. K. Radiant effect of window sunshades on glass surface temperatures. In: CONFERENCE ON PASSIVE AND LOW ENERGY ARCHITECTURE, 20., 2003, Santiago do Chile. Anais... Santiago do Chile, 2003.
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Abstract

The research focuses on the effects of long-wave radiant heat transfer from external window sunshades on the surface temperatures of glass using an experimental setup at Arizona State University. The primary function of the window sunshades is to control the amount of direct solar radiation entering the interior of a building. Architects and designers provide various material alternatives while designing these exterior shading devices. The concept is to improve the aesthetic appearance of the building facade while at the same time providing an efficient shading system to the window glazing. One important effect that is overlooked by the currently available whole building simulation tools is the effect of re-radiation (long-wave radiation) these shading devices have on the glass surface temperatures. The study investigates the radiant effect using window sunshades made of three different materials and compares the effectiveness of a thermal simulation tool used to simulate the experiment.
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