Research Article
Effect of Gravity on Repose Angle and Contact Forces of Particulate Pile Composed of Non-monodispersed Particles
Table 1
Parameters used in the model.
| | Properties | Value |
| | Density of particle, ρ | 2500 kg/m3 | | Young’s modulus of particle, Ep | 5.5 × 109 Pa | | Young’s modulus of baseplate, Eb | 2 × 109 Pa | | Poisson’s ratio of particle, σp | 0.24 | | Poisson’s ratio of baseplate, σb | 0.3 | | Restitution coefficient of particle-particle, epp | 0.97 | | Restitution coefficient of particle-baseplate, epb | 0.97 | | Diameter of baseplate, D | 500 mm | | Diameter of discharge outlet, d | 50 mm | | Sliding friction coefficient of particle-particle, μt-pp | 0.142 | | Rolling friction coefficient of particle-particle, μr-pp | 0.01 | | Sliding friction coefficient of particle-baseplate, μs-pb | 1.2 | | Rolling friction coefficient of particle-baseplate, μr-pb | 0.6 | | Acceleration of gravity, g | 0.17g0, 0.44g0, g0, 3g0 |
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