Abstract
The high energy consumption for air conditioning in buildings is a serious concern due to its consequences on the earth's ecological life. This study presents a new passive cooling design for buildings inspired by the morphological and physiological cooling mechanism in the nasal turbinate of camels. The main cooling unit consists of clay cylinders shaped like onion rings covered by two layers of jute fiber and installed in a wind tower. The clay plates were manufactured, and the wind tower was built in one of the desert cities in Yemen to experimentally examine and evaluate the performance of this design for ten consecutive days starting from 9 a.m. till 9 p.m. The results confirmed the applicability of the bio-inspired design to efficiently decrease the air temperature by an average of 14.6 °C and increase the relative humidity of the air by 57.5% on average. With only 1.20 m height, this design was able to drop the temperature by 19.8 °C achieving a considerable cooling efficiency in comparison with the rest cooling designs with the high heights that installed inside wind tower. The zero-energy cooling design can be a viable alternative for the highly-consumed mechanical cooling equipment.
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