Research Article

Bubble Flow Analysis of High Speed Cylindrical Roller Bearing under Fluid-Solid Thermal Coupling

Table 2

Material properties of air-oil.

ParametersValue

Initial velocity of oil60 m/s
Density of oil800 kg/m3
Thermal conductivity of oil0.148 W/(m⋅k)
Kinematic viscosity of oil0.048 kg/(m⋅s)
Initial velocity of air60 m/s
Density of air1 kg/m3
Thermal conductivity of air0.0271 W/(m⋅k)
Kinematic viscosity of air1.7 × 10−5 kg/(m⋅s)