Research Article

Analysis of Line Contact Elastohydrodynamic Lubrication with the Particles under Rough Contact Surface

Table 1

Input parameters.

Equivalent elastic modulus of the composites E2.21 × 1011 Pa
Barus pressure-viscosity coefficient, 2.0 × 10−8 Pa−1
Applied load, 100 N
Maximum Hertzian pressure, Ph0.3 GPa
Equivalent radius, 0.05 m
Inlet viscosity of fluid, 0.05 
The calculation domain, X1
Dimensionless step length, 0.03
Particle side length, L0.2 mm
Adjacent particles spacing, Hs0.45 mm
Particle burial depth, D0.2 mm
Wavelength of waviness, 0.12 mm
Amplitude of waviness, Ar0.1 mm
Velocity of the half space in X1 direction, 0
Velocity of the cylindrical contact in X1 direction, 1.0 m/s
Elastic modulus of half space,  Pa
Elastic modulus of cylindrical contact,  Pa
Poisson’s ratio of half-space, 0.3
Poisson’s ratio of cylindrical contact, 0.34
Poisson’s ratio of particles, 0.25
Eigenstrains, e mm