Discomfort Glare Caused by Multiple Point Sources

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  • 複数の点光源による不快グレア
  • フクスウ ノ テン コウゲン ニ ヨル フカイ グレア

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Abstract

Visual experiments on the Borderline between Comfort and Discomfort (BCD) luminous intensity were carried out to clarify the characteristics of discomfort glare caused by multiple point sources in a row and in a matrix. The experiments were done under conditions of dark adaptation, varying the number and interval of the sources. The results show that the increase in BCD luminous intensity is smaller than that in the number of the sources, although BCD luminous intensity increases as the number of the sources increases. The condition of multiple point sources in a row on discomfort glare is obtained in the virtual area. The BCD luminous intensity of multiple point sources in a row is lower than that of linear source, even if the interval is narrow.

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