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Old 02-04-13, 04:47 PM   #86
Exeric
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To elaborate on the turbulence idea: I was thinking that any moisture that is starting to precipitate out needs to be coaxed onto the sidewalls of the duct. This could be done by a helical duct with the air flowing in the downward direction. You don't want the water to be in the center of the air stream even if its already condensed because then it will just escape with the air.

The point where you collect the water should be at the bottom of that (for example) helical duct section. You could use a p-trap at the bottom to keep the air seal and have the duct turn back up, or at least sideways. If the water has successfully stuck to the sidewalls of the duct then it will just drop into the p-trap at the bottom and separate from the air that moves in a new direction at that point. I think this might really help the efficiency of the water collection. This section of the dryer air duct wouldn't be part of the HX, or at least wouldn't need to be.

Last edited by Exeric; 02-04-13 at 04:56 PM..
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