From: Assessment of the relationship between lubricating oil viscosity and surface-attached adhesion rate via regression modelling
Diameter of steel ball (mm)
No
Viscosity (NÂ s/m2)
Rate of surface-attached adhesion (%)
3
1
0.067
8.56
2
8.67
0.066
8.16
3.5
0.065
7.76
0.064
7.17
7.22
4
0.062
6.23
6.33
6.15