The Azimuth Project
Windcatcher (changes)

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Idea

A windcatcher or bad gir is a natural cooling system based on the Bernoulli effect. Here is a photograph of a bad gir taken by Greg Egan in the city of Yazd, Iran:

A windcatcher is especially effective in conjunction with a qanat: an underground water tunnel, commonly used for irrigation in the Middle East. Here is how people combine a qanat and a windcatcher:

References

category: energy

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