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

Table 7

The maximum and minimum of aerodynamical coefficients.

		Attack angle (degree)	Unoptimized	Optimized	Optimizing rate (%)
	Maximum	20	0.646	0.566	−12.4
	Minimum	60	−0.077	−0.233	−202.6
	Mean value	—	0.411	0.310	−24.6
	Maximum	0	0.009	0.003	−66.7
	Minimum	60	−3.55	−3.384	−4.7
	Mean value	—	−2.218	−2.173	−2.0
	Maximum	60	3.003	2.352	−21.7
	Minimum	0	−0.234	−0.291	−24.3
	Mean value	—	1.305	1.139	−12.7
	Maximum	30	0.031	0.121	+290.3
	Minimum	60	−0.214	−0.195	+8.9
	Mean value	—	−0.087	−0.029	+66.6
	Maximum	20	0.645	0.369	−42.8
	Minimum	0	0.002	0.001	−50
	Mean value	—	0.341	0.297	−12.9