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Evaluation of light pipe influence on daylight in buildings
Král, Jakub ; Katunský,, Dušan (referee) ; Plch,, Jiří (referee) ; Mohelníková, Jitka (advisor)
The topic framework of this dissertation is the technology of lighting in buildings using tubular light pipes. For the assessment of these systems, a continuous measurement of daylight was performed on a comparison surface under two different tubular light pipes of similar dimensions for one year. At the same time, data of exterior lighting conditions were recorded. Independently of these measurements, spectral reflectance measurements of the inner surface samples of both light pipe tubes were performed. Furthermore, light simulations were performed in the HOLIGILM program, and the efficiency of direct tube light pipes of various diameters and lengths was evaluated. Finally, an evaluation of electricity consumption savings was also made by replacing the artificial lighting source with a light pipes. The results of measurements and light simulations provided data for the evaluation and designing of tubular light pipes in buildings.
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