Coupled Lateral and Torsional Vibration of Rub-Impact Rotor during Hovering Flight

Table 4

Parameters of SFDs.

Name	Inner rotor		Outer rotor
	SFD I	SFD II	SFD III
Radius (mm)	25	18	35
Length (mm)	13	13	14
Radial clearance (mm)	0.25	0.18	0.35
Dynamic viscosity (10^−2 Pa·s)	1.0752