The daylight factor and actual illuminance ratios
The daylight factor and actual illuminance ratios
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DOI：
10.1177/096032718001200202
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发表时间：
1980-06
影响因子：
2.5
通讯作者：
Peter Tregenza
中科院分区：
文献类型：
--
作者：
Peter Tregenza
从1978年5月到1979年7月，在每隔几周的七个周期内测量了每小时一次的日光。照度记录在外部、水平和垂直表面上，以及模型房间内的内部。研究发现，即使在多云的天空下，内部照度和外部照度的比率也有很大的变化。
Measurements of daylight at hourly intervals were made during seven periods of several weeks each between May 1978 and July 1979. Illuminance was recorded externally, on horizontal and vertical surfaces, and internally, within model rooms. It was found that the ratio of internal to external illuminance varied considerably, even under heavily clouded skies.