Theoretical Analysis of the Influence of Asperity’s Dimensions Affected by a Scale Factor on the Mixed Lubrication between Parallel Surfaces

Table 1

Parameters of the studied contact.

Parameters	Nominal
Contact	Smooth on rough (30 mm^2 area)
Lubricant	Newtonian fluid
	η = 0.100 Pas and α = 2.0 10-8 Pa^-1
Speed	0.1 to 10 m/s
Microgeometry	Rough on Smooth
Mean apparent pressure	1 MPa
Materials	Steel on Brass
Steel
Brass
	= 500 MPa
Boundary friction coefficient	=0.12