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permaculture - solar chimney

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Subject: permaculture

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Chronological Thread  
  • From: stephan leimroth <slimerote@yahoo.com>
  • To: permaculture <permaculture@franklin.oit.unc.edu>
  • Subject: solar chimney
  • Date: Sun, 30 May 1999 21:18:35 -0700 (PDT)


hello,

does anyone have experience with solar chimneys? i'm
trying to ventilate a metal roofed house, but i can't
find any info on sizing. i'm thinking of installing 3
12in. diameter metal vent tubes (painted black) maybe
6ft tall for a 35 by 25ft space.
my main concern is getting the ratio of metal surface
area of the tube to volume of the tube correct.

any suggestions would be welcomed.

stephan.
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