plain cylindrical air bearings
Calculator for self acting air bearings
Bearing length L/D
Shaft diameter D
10
-3
m
Radial clearance dR
10
-6
m
Rotations per minute n
10
3
rpm
Lubricant viscosity η
10
-6
Pa·s
Compressibility number
Λ=
(6
η
ω(R/dR)^2)/pA
Dimensionless stiffness S1=S
·
pA
·
R^2/(ω
·
dR)
Bearing stiffness S
10
-6
N/m
Attitude angle
β
deg
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