Influence of Design Parameters on Static Bifurcation Behavior of Magnetic Liquid Double Suspension Bearing

Table 1

Design parameters of MLDSB.

Symbols	Variable names	Sizes
	Length of supporting cavity	100 mm
	Width of supporting cavity	20 mm
	Width of sealing belt	6 mm
	Width of sealing belt	4 mm
	Flow coefficient	4.3611
	Dynamic viscosity
	Mass of rotor	100 kg
	Permeability of air
	Area of supporting cavity	1504 mm^2
	Extrusion area	1056 mm^2
	Area of pole	1000 mm^2
	Angle	22.5°
	Number of turns	60
	Area of pole	1000 mm^2
	Initial current	0.5 ~ 2.0A
	Flow of supporting cavity
	Oil film thickness	10~90 μm
	Galvanized layer thickness	0 ~90 μm
	Proportionality coefficient	-70
	Differential coefficient	0.03