A New Method to Optimize the Wake Flow of a Vehicle: The Leading Edge Rotating Cylinder

Table 1

The major dimensions of bus.

Length (m)	12.000
Width (m)	2.500
Height (m)	3.400
Frontal Area (m^2)	9.300
Side Area (m^2)	45.600
Wheel base between front and back axles (m)	6.400
Radius of the cylinder at the upper leading edge of tail (m)	0.300
Radius of the cylinder at the lower leading edge of tail (m)	0.100
in Figure 1 (degree)	90
in Figure 1 (degree)	80.9
Length of the upper cylinder (m)	1.900
Length of the lower cylinder (m)	2.300