Magnetic Circuit Design and Magnetic Field Finite Element Analysis of Converging Stepped Magnetofluid Seal with Small Clearance

Table 1

The parameters of converging stepped magnetofluid seal with small clearance.

Item	Value
Inner radius of the 1/2/3 pole piece (mm)	21/17/13
Outer radius of the 1/2/3 pole piece (mm)	30
Length of the 1/2/3 pole piece (mm)	5.3
Pole tooth number of the 1/2/3 pole piece in the axial seal position	3
Pole tooth number of the 1/2/3 pole piece in the radial seal position	5
Axial seal position width (mm)	0.1
Radial seal position width (mm)	0.1
Width of pole tooth (mm)	0.3
Slot depth (mm)	0.8
Slot width (mm)	0.7