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Could a fresnel lens heat a home with sunlight?

 
Anonymous Coward
User ID: 1081267
United States
11/07/2010 12:44 PM
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Could a fresnel lens heat a home with sunlight?
I know that a fresnel lens can boil water in 10 seconds when focusing the sunlight to a point. I was just wondering that if you placed one end of a fiber optic cable at the focus point, and run the fiber optic cable indoors, and focus the output of the other end to an aluminum heat sink...wouldn't this create plenty of heat for a home? Or would the fiber optic cable only transfer the light but not the heat?
Anonymous Coward
User ID: 1155100
United States
11/07/2010 12:50 PM
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Re: Could a fresnel lens heat a home with sunlight?
A parabolic or fresnel skylight lens would.
Anonymous Coward
User ID: 1155662
United States
11/07/2010 12:53 PM
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Re: Could a fresnel lens heat a home with sunlight?
Good question, this'd be the closest I have found, but I know Sondhauss tubes have potential

Anonymous Coward
User ID: 1155422
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11/07/2010 12:59 PM
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Re: Could a fresnel lens heat a home with sunlight?
[youtube] [link to www.youtube.com]
Anonymous Coward
User ID: 1149695
United States
11/07/2010 01:01 PM
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Re: Could a fresnel lens heat a home with sunlight?
Actually, since fiber optic cable isn't PERFECTLY clear, it would just get hot as hell and melt/combust/ignite things. Feel free to experiment well away from buildings, however.
Exxploited
User ID: 856480
Canada
11/07/2010 01:07 PM
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Re: Could a fresnel lens heat a home with sunlight?
I'm an HVAC engineer, you would use a stainless steel heat exchanger with a circulation pump circulating water and glycol into a hydronic furnace.

It could work, but not at night when you really need it so...
Anonymous Coward
User ID: 1155377
United States
11/07/2010 01:09 PM
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Re: Could a fresnel lens heat a home with sunlight?
Test it on your arm. Hey, it works for baby's bottles, don't it?
Anonymous Coward
User ID: 1155967
Fiji
11/07/2010 01:46 PM
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Re: Could a fresnel lens heat a home with sunlight?
I'm an HVAC engineer, you would use a stainless steel heat exchanger with a circulation pump circulating water and glycol into a hydronic furnace.

It could work, but not at night when you really need it so...
 Quoting: Exxploited 856480


Definitely can work. You should consider radiant floor heating, and heat sinks in the house that can radiate into the night as well, or a really big hot water tank with great insulation to hold the heat for the night.

Fresnel lenses work very well for this, and Acro Solar Laser has a similar design that uses the heat exchangers you speak of. I have a similar design. But you can build it yourself , with a satellite dish or fresnel lens and tracking system.

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