Research Article
Experiment Investigation and Numerical Simulation of Snowdrift on a Typical Large-Span Retractable Roof
Table 2
Comparison of physical parameters of snow particles.
| Kind of particles | Natural snow | Artificial snow |
| Diameter Dp (mm) | 0.15∼0.50 | 0.2∼0.50 | Particle density ρp (kg/m3) | 126∼294 | 540∼575 | Bulk density ρb (kg/m3) | 90∼210 | 386∼411 | Threshold friction velocity (m·s−1) | 0.20 | 0.35 | Angle of repose θ (°) | 30∼50 | 45 |
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