Many of us have seen solar power plants of this type, and making primitive versions of these mirror dishes was the goal for some of us, for example this case...
Some of this stuff would be very easy to copy or modify.
It's because the sand is at 600c which would wreak havoc if you had water pumping through the tubing. Air is cheaper to do handle at those temperatures.
It's because the sand is at 600c which would wreak havoc if you had water pumping through the tubing. Air is cheaper to do handle at those temperatures.