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Average velocities for kernels dropped from various heights in three drop methods
| Drop height (m) | Drop method | |||||
|---|---|---|---|---|---|---|
| Free fall | Cushion box | Closed let‐down ladder | ||||
| Velocity (single kernel) (m/s) | Velocity (mass flow) (m/s) | Velocity (single kernel) (m/s) | Velocity (mass flow) (m/s) | Velocity (single kernel) (m/s) | Velocity (mass flow) (m/s) | |
| 5 | 7.25 | 7.85 | 4.85 | 5.32 | 3.2 | 3.65 |
| 10 | 9.45 | 10.12 | 7.36 | 8.45 | 4.65 | 5.03 |
| 15 | 11.02 | 13.9 | 9.89 | 11.13 | 6.32 | 7.69 |
