RE: 🌞 Solar Power 🌞 as a Small Community Green Power Source #1 by builderofcastles

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informationwar · @builderofcastles · Feb 22 '19

$0.18

I was speaking of water storage tanks being used to store energy.
Kalifornia has the mountains and valleys to do that.

And yes, the power tower design has very high light intensity near the tower, that can fry a bird in an instant.  But, i do not know if you are speaking of Solar Two, which was taken down, or something else they built.

The one i hear about frying birds  is over in Spain.

If you were building such for a small community, i would suggest a trough reflector design, or a ... can't remember name, but a sheet of plastic that has ridges that focus the light.  As you only need to boil water, so about 3x light intensity does the trick.

👍 proboards3, fulltimebot8, fulltimebot42, fulltimebot51, fulltimebot46, proboards2, proboards1, proboards

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@deanlogic · Feb 22 '19

I would try to build a stirling engine with the reflected light.

https://www.youtube.com/watch?v=OfSTsPVSMyQ

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@builderofcastles · Feb 22 '19

$0.53

I never like the sterling engine.

It is a great nifty device, but its not... inefficient is not the word, it just becomes troublesome to get large energy out of.  As in, that big array has to be pointed directly at the sun to get an output that is less than a little generator.

The other half of the problem with sterling is you need a cold side too.  And where does that come from when you are heating the air around the thing.

Boiling a refrigerant and using the steam to move a turbine or engine allows you to get more work in a smaller area.  Yes, it is more complex, but it works better.  You know what you need to get a pressure head, you know what that pressure differential will do.  You can reliquify the refrigerant at another spot.  (away from the heat collectors)

And, the ideas i am conveying are meant to power a small community.

👍 delso, proboards3, fulltimebot9, fulltimebot22, fulltimebot41, fulltimebot1, fulltimebot16, fulltimebot2, fulltimebot24, fulltimebot19, fulltimebot20, fulltimebot23, proboards2

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@deanlogic · Feb 22 '19

$0.02

> The other half of the problem with sterling is you need a cold side too. 

I always envisioned sticking one half in some running water and the other half out.  With today's technology, there has to be some material that could increase the temperature differences between the two sides.

Then, use touchless magnets to power a generator, to solve the torque issue.

👍 fulltimebot61

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2 replies

@deanlogic · Feb 22 '19

10 kilowatt solar stirling generator developed back in 2001

https://www.youtube.com/watch?v=wfDWDqyToBg

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@deanlogic · Feb 22 '19

This is the one I would want to build 

https://www.youtube.com/watch?v=XsD8aI6nPV0

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