Nonlinear Dynamic Performance of a Bolt-Disc Rotor with the Position Error of Circumferential Bolt-Holes

Table 1

Variables of the bolt-disc rotor bearing system.

Item	Variable	Value
Bolt-disc rotor	Diameter of shaft, ds	0.08 m
	Length of shaft, Ls	1.25 m
	Diameter of discs, dd	0.24 m
	Thickness of disc “a,” la	0.075 m
	Thickness of disc “b,” lb	0.1 m
	Thickness of disc “c,” lc	0.075 m
	Number of bolts, n	12
	Tightening elongation, lF	0.75 mm
	Diameter of bolts, dbolt	0.02 m
	Diameter of circumference for bolts, Dbolt	0.156 m
Journal bearings	Span of bearing, Lb	1.05 m
	Radius, R	0.04 m
	Width, Bj	0.08 m
	Radial clearance, c0	0.0002 m
	Lubricant viscosity, μ	0.0182 Pa s