Explanation the Interaction of the Physical Characteristics of High-rise Buildings on Distribution of Pollutant Particles due to the Natural Air Flow (Case Study: District 1 of Tehran)

Subject Areas : Architecture and urbanization

TinaSadat Sadrolgharavi ¹ ( PhD Student, Faculty of Engineering, Tehran North Branch, Islamic Azad University, Tehran, Iran )
Mahnaz Mahmodi Zrandi ² ( Associate Professor Faculty of Engineering, Tehran North Branch, Islamic Azad University, Tehran, Iran )
fatemeh mehdizadeh seraj ³ ( Professor of Architecture and Environmental Design, Iran University of Science and Technology, Tehran, Iran )

Received: 2020-06-03 Accepted : 2020-10-12 Published : 2022-05-22

Keywords: ANSYS, EnviMET, : Physical Characteristics of High rise Buildings, Distribution of Particulate Matter, Natural Air Flow,

Abstract :

The increasing population and the construction of high-rise buildings have multiplied the environmental pollution in cities. On the other hand, people are more likely to use open urban environments to meet their biological needs. In this regard, various factors such as forms, heights and green facade of buildings and the presence of continuous stream of wind can play a significant role in the distribution of pollutant particles. The present study aimed to investigate the effect of the forms and heights of high-rise residential buildings on the distribution of pollutant particles, by recognizing district one of Tehran's urban air flow. To this, a library research method was used to collect information, analytical-descriptive as well as computer simulation with Envi-met software and ANSYS to select the appropriate model. According to the modeling done for the nine different types of building with different forms and heights, it was concluded that changing these factors in residential building on the air flow Natural and wind speeds affect thus affect the distribution of particulate matter. In this study, the results of modeling show the residual amount of particulate matter around 9 tall building models, of which the square shape with 20-degree height in the specified position is more suitable than other options.

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