Directory:Synchronous Solar Heliostat
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A Stationary Heliostat for Solar Energy Reflection
This is a permanent free energy resource.
by William A. Rhodes, Ph.D. PES Network Inc Consultant
Introduction
I have three patents (expired) on a synchronous solar heliostat.
It is computer driven, always facing the sun in all seasons
regardless of bad weather. It also was complete mechanical and
electronic engineering, and expensive. Despite such obstacles,
20 were sold to a firm for daily illumination of abandoned Titan
missile silos, where mushrooms were grown. Used in this venture
were ordinary back-surfaced mirror costing about $6.00 per square
yard of commercial 1/8' mirror. (4 KW heat and light per panel.)
Background for Research
Experimenting with stationary mirrors, two were mounted like a
"corner" reflector. Reflection from this was opposite from the sun.
In other words, facing south, the sun's movement is toward the
right, and its reflection moves toward the left. When mounted at
exactly 90 degrees from each other, I viewed myself as others see
me.
Mounting three mirrors 120 degrees apart makes another corner
reflector, but this time sunlight is reflected back toward the
sun, regardless of where it is in the sky. Tracking is perfect
without any mechanical arrangement. It is known as an
equilateral triangle. Small corner reflectors are used by land
surveyors for bouncing a laser beam back to their eye. Its
accuracy cannot be equaled by any other method. An inch one way
or the other and the laser beam from the surveyor's position and it
vanishes. They are expensive but permanent.
What is needed is a mirror arrangement that makes the solar
reflection stationary. One clue. The reflection must be exactly
half way between open sunlight, and its opposite reflection with
two mirrors.
These are inexpensive experiments, since test mirrors need be no
larger than 6" squares. Any glass company can make them, but make
sure their sharp edges are ground. My gut feeling is, somewhere out
there the answer exists.
Contact
William A. Rhodes
Related Sites
Google > A+Stationary+Heliostat+for+Solar+Energy+Reflection
Comments
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See also
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