In order to accurately test daylighting apertures using the solar geometry of my site in Fairbanks, I have been experimenting with our heliodon in the lighting studio this past week. The heliodon allows for me to observe how the building would look in the three-dimensional solar beam at various dates and times of day. I observed two of my hand-built models from the interior and exterior at the equinox, summer solstice and the winter solstice.
Interior view of model #1 during summer solstice at 6am, 12pm and 8pm
I wanted to experiment with a variety of different daylighting apertures and their placements to find what will work best with the orientation of my building. Looking at the path of the Fairbanks sun it is apparent that the daylighting will need to be substituted heavily in order to maintain a proper circadian rhythm for the visitors. As many gatherings take place at night as well as during the day, a system of artificial lighting is required to either replace or supplement the available daylight, especially during times where Fairbanks receives little to no light during the Winter solstice.
Exterior view of model #1 during summer solstice at 6am, 12pm and 8pm
During these studies I have been observing the shadows and the potential of glare and how the sun moves through the apertures. I have found that clerestory windows are a proper choice to bring in an appropriate amount of light and that windows are to be incorporated from every side of the building to allow in light. These findings from the daylight studies will progress the design of my final model involving the daylighting apertures and incorporation of electrical lighting.
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