Assessing the Potential of Natural Ventilation in Office Spaces in Terms of Climate and Interior Design in Province Centers

Document Type : Original

Authors

1 Ph.D. candidate,, Faculty of Architecture and Urban Planning, Shahid Beheshti University

2 Assistant Professor, Faculty of Architecture and Urban Planning, Shahid Beheshti University

3 Associate Professor, Faculty of Architecture and Urban Planning, Shahid Beheshti University

10.22052/jias.2024.252881.1198

Abstract

Natural ventilation is one of the most important passive strategies to reduce building energy use, provide thermal comfort, and improve indoor air quality. It is one of the key solutions for sustainability in the building industry. On the other hand, natural ventilation is potentially dependent on climatic conditions and varies considerably from one region to another. This is while currently there is no information about this possibility in the country. Therefore, the current research assessed the potential for ventilation for maximum use in different climate zones of Iran in two parts and on two scales. First, the ventilation potential at the climate scale was evaluated based on weather data, and the maximum natural ventilation potential in 31 province centers was estimated by calculating the number of efficient hours for ventilation. In the second part, the effect of ventilation on improving thermal comfort and indoor air quality at the building scale was investigated. For this purpose, a module of an office building was modeled in Rhino software, then some limitations were applied to the weather data (temperature, wind, and humidity) using the Climate Studio plugin. Finally, the results were reported in the form of a map and by categorization. According to the results, the number of natural ventilation hours ranged from 1095 to 6158 hours, the percentage of comfort hours ranged from 33.15% to 50.32%, the percentage of hours with standard carbon dioxide concentration ranged from 10.89% to 50.16%, and the percentage of hours with a suitable air change rate also varied from 11.55% to 48.85%. Based on this, the atlas of natural ventilation potential for indoor spaces in different climate zones of the country (limited to province centers) was prepared, which can be used in the design process, highlighting natural potentials without the need for computational technical knowledge.

Keywords

References

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Journal of Iranian Architecture Studies
Volume 12, Issue 24
April 2024
Pages 169-191

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