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Same. I have seen these painted black at the top of the tower. The idea, as it was explained to me, was that the black paint would help heat the top, and that h
by christophilus 5y ago
Same. I have seen these painted black at the top of the tower. The idea, as it was explained to me, was that the black paint would help heat the top, and that hot air would create negative pressure as it rises. The negative pressure then pulled up cooler air from below.
- Gys 5y agoThe photos show large vertical openings. Which makes more sense for ‘catching’ the wind. For a negative pressure a black painted vertical pipe would have been sufficient?