Research Article

Complex Effects of Drum Hub Forms and Structural Parameters on Coal Loading Performance

Table 2

The parameters of the particle in the simulation.

Density (kg/m3)Poisson’s ratioYoung’s modulus (GPa)

Coal14000.284.25
Steel78000.30206

Coefficient of restitutionCoefficient of static frictionCoefficient of rolling friction
Coal-coal0.500.800.10
Coal-steel0.500.600.05