Passive methods for improving air quality in the built environment: A review of porous and solid barriers

摘要: Protecting the health of growing urban populations from air pollution remains a challenge for planners and requires detailed understanding flow pollutant transport in built environment. In recent years, work undertaken on passive methods reducing has been examined to address question: “how can environment alter natural dispersion patterns improve quality nearby populations?” This review brings together collective that have demonstrated an ability influence reduce personal exposure A number exists but, context this paper, are split into two distinct categories: porous solid barriers. These include trees vegetation (porous) as well noise barriers, low boundary walls parked cars (solid); all which gained different levels research momentum over past decade. Experimental modelling studies provided potential these barriers under varying geometrical meteorological conditions. However, differences results between real-world measurements demonstrate challenges complexities simulating areas. provide additional benefits improving through altering patterns; avenue aesthetically pleasing provides cooling shade direct sunlight. Additionally, case considered important direction further verification Developing design guidelines is next stage promoting ensuring their integration future planning strategies. addition, developing channels communication with will enhance development uptake