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Passive Skylight Dome Configured to Increase Light Collection At Low Sun Elevation Angles and To Reduce Light at High Sun elevation Angles
Passive Skylight Dome Configured to Increase Light Collection At Low Sun Elevation Angles and To Reduce Light at High Sun elevation Angles
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机译：被动天窗半球配置为在低太阳仰角处增加光收集并在高太阳仰角处减少光
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摘要
The present subject matter comprises a simple, passive skylight dome with relatively tall partially vertical sides comprising partially transparent material which diffuses the transmitted light, and a mostly opaque sun shade near the top of the relatively tall partially vertical sides. The partially vertical sides are able to better intercept sunlight from low sun elevation angles than conventional horizontal skylights. The mostly opaque sun shade is able to block sunlight from high sun elevation angles to prevent such sunlight from entering the building below the dome. By enhancing the collection of low-sun-elevation-angle light, the subject matter improves the daylight performance of the skylight early and late in the day, and all day in the winter months. By reducing the collection of high-sun-elevation-angle light, the subject matter reduces the solar heat gain near solar noon in the summer months, thereby reducing air conditioning loads and related costs.
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