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

Table 11

The maximum and minimum of the car aerodynamical coefficients.

		Position	Unoptimized	Optimized	Optimizing rate (%)
Cd	Maximum	3.6	0.546	0.527	−3.5
	Minimum	−1	0.230	0.213	−7.4
	Mean value	—	0.331	0.327	−1.2
Cs	Maximum	0	0.171	0.147	−14.0
	Minimum	3.6	−0.328	−0.313	−4.6
	Mean value	—	−0.041	−0.041	0
Cl	Maximum	2	−0.018	−0.022	−22.2
	Minimum	3.6	−0.224	−0.255	−13.8
	Mean value	—	−0.064	−0.071	−10.9
	Maximum	−2	−0.104	−0.098	+5.8
	Minimum	3.6	−1.314	−1.494	−13.7
	Mean value	—	−0.408	−0.428	−4.9
Cm	Maximum	3.6	1.826	1.913	+4.8
	Minimum	0	−0.386	−0.348	−9.8
	Mean value	—	0.328	0.332	+1.2