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2nd Sep 2014 Login  
Stirling Engines on Woodstoves
by Stuart at 2006-05-05 15:12:27 (Forum::Public::Biomass)
Would it be possible to put a stirling engine electric generator in the chimney of a wood stove?
Stirling engines seem fantastic they use internal gas pressure and hot and cold to run. So all you need do is heat one part of them and they convert heat to motion.

If you put a generator on the engine and connect this up to a source of waste heat like a stove chimney or the outlet of a boiler then you could make power out of waste heat. Several boiler companies are looking at making domestic boilers into mini combined heart and power plants (D-CHP) using Stirling Engines. We will be examining these in the near future.

Could the same technology not be used with a wood stove.

The only problem I can see is if you take too much energy out of the smoke you could stop the draw of the fire and break "Betz law". But if you only took say 1kw could it work?

For a full explanation of the engine please see:
http://www.howstuffworks.com/stirling-engine.htm
--
Stuart

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Stirling Engines on Woodstoves Stuart - 5/05
    Re: Stirling Engines on Woodst... Simon - 5/05
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          Re: Stirling Engines on Woodst... Simon - 5/05
             Re: Stirling Engines on Woodst... Stuart - 6/05
    Re: Stirling Engines on Woodst... Hugo van der Sanden - 13/05
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