this post was submitted on 24 Jul 2023
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Mildly Interesting
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Cool, but a quick search shows that these towers can cool a place by around 10C. So, in the scorching 50C desert, the interior would be above 35C, which is still fucking hot.
Edit: I get it, this idea is awesome and ancient. I just don’t like the “this is the future, AC is bad” tone of the article that, masterfully, decided to omit how much it can cool down a place.
10 degrees is incredible though.
These days in Yazd the average warmest temperature in July is 40 degrees, so if what you're saying is correct they'd be able to cool it down to a liveable 30 degrees even in the warmest part of the day. And at night temperatures still dip to 26, so the indoors temperature probably wouldn't quite reach 40 even without this system. So it might make the difference between 40 degrees outdoors and high 20s indoors, which is fantastic.
Would be interesting to know if average temperatures got up to 40 in the summer around the time they were built as well, or if average temperatures in the region have been rising.
And what wind strength is required to achieve 10C decrease