Fig. 7

(a) Top view of turbulent flow pattern in 0.2 m s⁻¹ environment. (b) Top view of turbulent flow pattern in 0.4 m s⁻¹ environment. (c) Side view of turbulent flow pattern in 0.2 m s⁻¹ environment. (d) Side view of turbulent flow pattern in 0.4 m s⁻¹ environment.