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Initial contours of nondimensionalized air velocity (V* = V/Vin) at Plane X = 0 (top) and Plane Y = 0 (bottom) with different ambient wind velocities (Lsd = 1.83 m (6 feet)): (a) light air Vin = 1.0 m/s, (b) gentle breeze Vin = 3.9 m/s, and (c) moderate breeze Vin = 5.5 m/s.
