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

Table 6

The main specifications of the bus model.

Assembly	Unit	Value
		Original	Optimized
Vehicle
Cd	—	0.38	0.286
Extra power required to rotate the cylinders	kW	0	1.564
Wheel base	m	6.4
Length/width/height	m	12/2.5/3.4
Kerb mass	kg	11500
Frontal area	m^2	9.3
Engine
Type	—	Diesel engine with turbocharger
Displacement	L	8.06
Max. power	kW/rpm	152 kW/@2300
Transmission
Type	—	5 AMT
Tire
Type	—	275/70 R26