Dusting Losses in Daylight Transmission for Glass Surfaces
DOI:
https://doi.org/10.5281/zenodo.10814452Keywords:
Energy, Daylight, Light, Interior lightingAbstract
TThanks to the radiation coming from the sun to the Earth, there is no need for artificial light indoors and energy savings are achieved. In recent years, the most common pattern of daylight entering interior spaces is the use of glass surfaces instead of roofs and building walls. An important variable that prevents daylight from entering the interior of the building is dust on glass surfaces. Over time, dust in the air sticks to the glass surface or covers the glass surface with various factors, reducing the amount of sunlight/radiation entering the interior. Decreasing daylight negatively affects indoor light level values. Pollution or dust varies depending on climate, humidity, wind regime, soil structure, and vegetation. In this study, daylight efficiency was investigated on glass surfaces used in buildings due to dust pollution in Diyarbakır province. This research is about the inclination angle of glass surfaces and dusting of glass surfaces. The daylight performance of glass surfaces was monitored when glass surfaces of equal and certain sizes were exposed to 5, 10, 15, 20, and 25 g of dust. In addition, daylight performance was analyzed on glass surfaces inclined at 55-65-75-85-95 degrees. This mechanism, simulated in Matlab Simulink, was compared with the physically prepared mechanism. As a result, it has been determined that the sunlight entering the interior area decreases due to the effects of dust and pollution on glass surfaces. In a typical glass-surfaced roof, losses occur in the penetration of daylight into the interior area due to dust.
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