Partially grooved hydrostatic journal bearing
Calculation of load capacity and flow
1)
Shaft diameter D
10
-3
m
Supply pressure p
s
10
5
Pa
Ambient pressure p
a
10
5
Pa
viscosity η
Pa·s
radial clearance dR/R
Number of grooves k
Bearing length L
0
/D
Groove length L
1
/L
0
Groove width B
1
/B
0
Groove depth h
1
/h
0
Shaft eccentricity ε=e/dR
Pressure factor ß
0
(ε=0)
Dimensionless load F'(ε)
Dimensionless flow Q'(ε)
Load capability F(ε)
N
Flow Q(ε)
10
-6
m
3
/s
1)
Symmetrical bearing
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