Daylighting has become an essential feature in libraries since it can boost productivity, well-being, and energy savings. It is crucial to prevent discomfort glare irritation while maintaining the quality of view, and daylight demands. This study compares four different shading systems on all fronts of a reading room. Shading devices include a Perforated Solar Screen (PSS), besides three Venetian Blinds typologies (exterior, interior, and exterior integrated with overhangs) are generated considering various parameters. The 60-min time step for an entire year is used to find out the worst dates for glare analysis in different positions for Rasht, Iran. The findings of Daylight Autonomy (DA), Useful Daylight Illuminance (UDI), Daylight Glare Probability (DGP), and Quality of View (QV) depict that PSS is ineffective at glare reduction but is adequate for annual metrics and view quality. Moreover, Venetian Blinds in every three typologies are sufficient to deal with glare problems on most dates, despite differences in their characteristics being reported. Annual metrics and Quality of View in these cases, depending on variables, are changeable.
In terms of sustainable design, lateral windows and skylights are important. Daylighting has become a vital component in office buildings because it increases occupants' productivity, well-being, and energy savings via windows and skylights. As a result, various factors have an impact on achieving Useful Daylight Illuminance (UDI) and lowering overheating and glare discomfort. First the merits of the skylight and the window are compared in this study. Second, this study constructs an intelligent optimization method NSGA-II based on Pareto front approaches that allows low energy use of the office building while maintaining excellent thermal and lighting comfort for the inhabitants. Finally, all optimum solutions look at Daylight Glare Probability (DGP) for visual comfort. Isfahan, Iran (32° N, 51° E) as a hot and dry climatic condition, is selected for the simulation. A variety of geometries with different parameters, were applied to meet the goal. Among the different cases, the optimization’s findings highlight the pyramidal design with the highest aperture on the floor. It's best for a hot, dry area and a space with a square or rectangular form. The degree of glare in all ideal geometries, on the other hand, was reasonable—furthermore, these findings aid designers in selecting the appropriate window for the building's form and environment.
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