Property | Iron | Sand |
---|---|---|
Diameter(μm) | 500 | 380–1280 |
Poisson’s ratio | 0.3 | 0.4 |
Density(kg∙m-3) | 7800 | 1600 |
Shear modulus(Pa) | 7×1010 | 2.13×107 |
Particle-particle coefficient of restitution | 0.5 | 0.44 |
Particle-particle static friction coefficient | 0.15 | 0.27 |
Particle-particle rolling friction coefficient | 0.01 | 0.01 |
Particle-wall coefficient of restitution | 0.629 | 0.48 |
Particle-wall static friction coefficient | 0.14 | 0.268 |
Particle-wall rolling friction coefficient | 0.015 | 0.02 |