Experimental investigation of a modular wind tower in hot and dry regions
2017
M.R.Khani, S. | Bahadori, M.N. | Dehghani-Sanij, A.R.
Passive cooling systems such as wind towers or wind catchers can create thermal comfort for building residents in hot and dry regions. This paper introduces an experimental study of a modular design of wind tower called the modular wind tower with wetted surfaces. Air temperature, relative humidity (RH) and airflow velocity parameters were measured at different times and at points when the velocity of the ambient air was zero. The results show that the modular wind tower can decrease the air temperature by an average of 10°C and increase the relative humidity of airflow in a building by approximately 36% on average. Additionally, the wind tower can create the airflow velocity entering the building up to around 1.8m/s. Furthermore, the obtained data from the measurements illustrate that the conditions of indoor air improve to the thermal comfort conditions.
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