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Posted by Randy on November 19, 2007, 8:35 pm
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Hi,
I have a Tarm wood furnace. I want to run the output of this furnace
(hot water) into my cistern (a large, to be insulated, water tank in
the basement, not used for anything right now) I'm looking for some
information on DIY heat exchangers (water to water) and have not had
much luck. The basic concept is a copper pipe, or coil of pipe, but
how do I determine the effectiveness (ie. how long a length, flow
rate, BTU transfer rate, etc.).
I have a number of hydronic baseboard heaters that I could use. Would
these be more effective in water than in air? I have the specs for
them - how would I determine (short of experimentation) their
performance in water? Is there a rule of thumb?
I have searched under every term I can imagine and have found very
little practical information. Surely I am not the first person down
this road. If you could point me in the right direction, I would be
very appreciative.
Thanks,
Randy
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