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There's no link I think, but I'm fascinated by the windcatcher: https://en.wikipedia.org/wiki/Windcatcher https://en.wikipedia.org/wiki/Windcatcher The specifi
by geofft 8y ago
There's no link I think, but I'm fascinated by the windcatcher: https://en.wikipedia.org/wiki/Windcatcher https://en.wikipedia.org/wiki/Windcatcher
The specific trick here appears to be that you connect a qanat (underground canal, which routes water from the water table at a higher elevation to the surface at a lower elevation) to the bottom of the structure, and a wind catcher to the top, with its opening facing away from the prevailing direction of wind. Wind blowing past the tower causes a pressure drop near the opening, which draws in air from the other end of the qanat, which is cooler because it's underground / next to water.
- SwellJoe 8y agoI was recently reading about solar chimneys, which is a somewhat similar idea, but driven by heat from the sun rather than wind: https://en.wikipedia.org/wiki/Solar_chimney https://en.wikipedia.org/wiki/Solar_chimney
- swagasaurus-rex 8y agoThank you, I could not find an intuitive explanation anywhere.
- dmos62 8y agoI'm also fascinated by this. I've read about a similar setup where instead of a windcatcher driving the airflow it's wood being burnt near the top of the air channel. I can't recall who used this though. If anyone has some keywords or links, I would appreciate it.