照明光の分布と内装反射率の構成が活動性印象に与える影響

概要

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In our previous study, we described an index, N×LC, for luminance distribution that is suitable for estimating the impression of active-calm of a lighting space. The previous experiment was carried out in the space whose interior was uniform white, and thus indicates that luminance distribution was approximately equivalent to light distribution. Interiors of actual rooms, however, are generally constructed with a range of reflectances. We focused on the practical application of the index ; we carried out an experiment to measure the impression of active-calm in a space whose interior was composed of several objects with different reflectances and examined the effect of the light distribution and the composition of the interior reflectance. The results showed that the light distribution had a significant effect on the impression of active-calm. In addition, the interaction between the light distribution and the reflectance composition was not statistically significant. On the basis of these results, we considered the applicability of the N×LC index.
社団法人照明学会の論文
2007-11-01