6. 0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
FrictionCoefficient
100x10
3
9080706050403020100
Laps
FRICTION vs TIME TEST
UNTEXTURED
TEXTURED
"poor" lubrication
v = 12 cm/s
normal load = 7N
nominal contact pressure: 7MPa
1. Oil Reservoir
2. Pipe
3. Angle Cock
4. Accessory Nozzle
5. Transparent Cup
6. Piston Ring Segments
7. Cylinder Liner
8. Heat Source
1000800600
Crank speed [rpm]
Pressure 0.9 MPa
Baseline
LST
SET
1000800600
Crank speed [rpm]
Pressure 0.6 MPa
Baseline
LST
SET
1000800600
Crank speed [rpm]
Pressure 0.3 MPa
Baseline
LST
SET2.0
1.5
1.0
0.5
0.0
FrictionForce[N]
1000800600
Crank speed [rpm]
Pressure 0.1 MPa
Baseline
LST
SET