Research Article
Calibration of Discrete Element Simulation Parameters for Powder Screw Conveying
Table 2
Parameters of Plackett-Burman experiment.
| Symbol | Parameters | Low level | High level |
| A | Wheat flour-wheat flour restitution coefficient | 0.15 | 0.3 | B | Wheat flour-wheat flour static friction coefficient | 0.2 | 0.4 | C | Wheat flour-wheat flour rolling friction coefficient | 0.05 | 0.1 | D | Wheat flour-stainless steel restitution coefficient | 0.15 | 0.3 | E | Wheat flour-stainless steel static friction coefficient | 0.2 | 0.4 | F | Wheat flour-stainless steel rolling friction coefficient | 0.1 | 0.2 | G | JKR | 0.1 | 0.5 | V1 | Virtual parameters 1 | −1 | 1 | V2 | Virtual parameters 2 | −1 | 1 | V3 | Virtual parameters 3 | −1 | 1 | V4 | Virtual parameters 4 | −1 | 1 |
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