Fig. 10
From: Improving the aerodynamics of a fastback car body using a spoiler
Flow velocity contours around the Audi car at Reynolds number 4.87 × 106: (a) without spoiler, (b) with spoiler at 10 cm height and 0 degree angle, (c) with spoiler at 10 cm height and 45 degree angle, at Reynolds number 9.75 × 106: (d) without spoiler, (e) with spoiler at 10 cm height and 0 degree angle, (f) with spoiler at 10 cm height and 60 degree angle, at Reynolds number 14.61 × 106: (g) without spoiler, (h) with spoiler at 10 cm height and 0 degree angle, (i) with spoiler at 10 cm height and 55 degree angle, in the plane passing through the center of the vehicle.
