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Energy-efficient ventilation
Published in Paul Tymkow, Savvas Tassou, Maria Kolokotroni, Hussam Jouhara, Building Services Design for Energy-Efficient Buildings, 2020
Paul Tymkow, Savvas Tassou, Maria Kolokotroni, Hussam Jouhara
The windcatcher system is a passive ventilation system which uses both buoyancy and wind-driven forces to provide ventilation in a space. A diagram of the component is shown in Figure 6.15. Windcatcher systems have been employed in buildings in the Middle East for many centuries, and they are known by different names in different parts of the region.
Impact of inlet and outlet opening height variation on the air quality and ventilation efficiency in the on-top wind catcher buildings: A CFD simulation
Published in Science and Technology for the Built Environment, 2022
Ali Akbar Heidari, Hamid Eskandari
One of the passive natural ventilation systems is the wind catcher. Wind catcher is an architectural device installed on the roof of a building like a tower and take the fresh air to the indoor space (Bahadori 1978). The primitive wind catchers were constructed around 1200 years ago in the hot and arid areas of Iran. After that this technology developed in other areas of Iran and other Middle East and north of Africa countries, i.e. Iraq, Algeria, Egypt (Bouchahm, Bourbia, and Belhamri 2011; Dehghani 2006; Mazidi, Dehghani, and Aghanajafi 2006; Mazidi et al., 2007). This passive device has used as a primary cooling strategy in these areas for the prior centuries to subdue hard climatic conditions and enhance thermal comfort in the buildings (Elmualim, 2006b; Li and Mak 2007; Su et al. 2008; Ghaemmaghami and Mahmoudi 2005; Mazidi et al., 2007; Sharples and Bensalem 2001). Modern architects have adjusted new wind catchers from the vernacular architecture of the Middle East (Kwon 2014). Modern wind catchers have been promoted to exploit the benefits of vernacular wind catcher and remove their weaknesses to establish them with contemporary constructions and technologies (Hughes and Ghani 2008; Jones and Kirby 2010). As an illustration, above 7000 wind towers were placed in the UK buildings within the past 20 years.