Solatube is well-known in the segment of reflecting light through tubes into a house. Commercial sizes are 10" - 21". Residential sizes are 10" - 14", with customization of lenses.
Can a big collector on roof feed a small tube with a large lens?
To increase collected light and possibly decrease tube size:
1) put 4 or 6 or 8 sides of glass in the collector that are transparent. Each section of glass can be energized to become reflective. The reflectivity will bounce the sun that would have gone through the dome into the tube.
2) like the spinning reflectors that move on their own, create similar reflectors that align on their own to reflect the sun.
Friday, July 20, 2012
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