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Sasanid Engineers Equipped Falak Ol-Aflak Castle With Dehumidifier System


25 December 2004

Experts studying the structure of Falak ol-Aflak (Dež Bār ) castle have come to realize that the Sasanid engineers equipped this ancient castle with a dehumidifier system to prevent humidity penetrate into its foundations.

Falak ol-Aflak castle along with Shapoor-khast fortress is among the most important structures built during the Sasanid era. The architecture of this ancient castle is so outstanding that the experts believe it deserves being included in the world heritage list. “We have found some canals beneath the structure between the stone and rock strata that, according to our studies, are dehumidifiers”, Abdol-azim Shah-karami, an expert in geotechnique responsible for engineering studies in Falak ol-Aflak, told CHN.

Previously, the experts believed these dehumidifier canals with a height of more than 1 meter covering all the area beneath the castle were hide-outs for the residents. Shah-karami said, “Due to being aware of the changing climate in the region and the underground waters, the Sasanid engineers have equipped the castle with a dehumidifier.”

Falak ol-Aflak castle is made with different materials like stone and wood that are so vulnerable to humidity. That’s why, according to Shah-karami, the castle was built on the highest point of the city of Khoram-abad, so that the wind could penetrate the building and dry its foundations.

The historical castle of Falak ol-Aflak with 8 towers, one of the architectural symbols of Iran, shows off on top of a hill with the same name. It dates back to the Sasanid era and has been continuously restored during the Islamic period with its general form mostly preserved.



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