Built on the roof, a Badgir captures wind from any direction and guides it to the occupant’s zones.
badgir persian gulf windcatcher wind tower CFD simulation
badgir persian gulf windcatcher wind tower CFD simulation

In persian, Bad = wind and Gir = to catch, thus, Badgir or windcatcher…

Iranian wind towers are designed to introduce cool outside air, driven by relatively high wind pressure. The internal partition allows the low pressure on the lee side of the tower to suck air from inside the building.

Badgirs are directly related to a living space , called “Badgir’s room”.
badgir persian gulf windcatcher wind tower CFD simulation
The turbulence induces hot air extraction outwardly from the opposite channels.
badgir persian gulf windcatcher wind tower CFD simulation
Operation of a Badgir during the day and at night.
badgir persian gulf windcatcher wind tower CFD simulation
Marine breezes direction reverses between day and night.
badgir persian gulf windcatcher wind tower CFD simulation