CFD-based numerical investigation of solar chimney effect on urban air pollution and AQI reduction: a case study of Tehran

Summary

CFD simulations of a solar chimney and the open air around it in Tehran test whether its induced airflow can clear polluted air nearby and improve the air quality index. Collector size matters most: going from a 200 m to a 1000 m radius makes the cleaned area about 11 times larger. Making the chimney taller adds little, and a deeper pollution layer is the main constraint on performance.

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