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Abstract Due to the design problems in modern architecture, it often appears that although the sunlight of the building is sufficient, the lighting quality of the building interior is not good. Due to the reasons of lighting, shading and interior layout, the phenomenon of glare and uneven distribution of light often occurs in buildings. Therefore, it is recommended to use light shelves to reduce problems such as glare and improve the indoor light environment comfort. The effects of six different widths and five different heights of peripheral light shelves on DF, UDI, GA and Uniformity Ratio of Daylighting are analyzed. The results show that the width and height of light shelves have no improvement effect on DF. The height of the light shelves has an improvement effect on indoor UDI, but the width does not; The width and height of light shelves can improve GA and Uniformity Ratio of Daylighting.
Liang et al. (Wed,) studied this question.