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. 2021 Jul 14;74:103175. doi: 10.1016/j.scs.2021.103175

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Fig 11 — Airflow distributions for different profiles with the barrier heights of 40, 60 and 70 cm and pollution source located A and C [(a): planes of x = 2.1 m and y = 3.1 m with barrier height of 40 cm and source at point A; (b): planes of x = 2.1 m and y = 3.1 m with barrier height of 60 cm and source at point A; (c): planes of x = 2.1 m and y = 3.1 m with barrier height of 70 cm and source at point A; (d): planes of x = 4.5 m and y = 6.2 m with barrier height of 40 cm and source at point C; (e): planes of x = 4.5 m and y = 6.2 m with barrier height of 60 cm and source at point C; (f): planes of x = 4.5 m and y = 6.2 m with barrier height of 70 cm and source at point C].