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Different particle settling velocities (Us) as a function of the particle diameter, from Equation (2). Here, we consider ρp = 1.6 g/cm3 (polystyrene), ρf = 1 g/cm3 and µ = 1.002 mPa s (water).
| Particle Diameter (µm) | Us (m/s) | Us (mm/day) |
|---|---|---|
| 1 | 3.26 × 10−7 | 28.2 |
| 2.8 | 2.56 × 10−6 | 221 |
| 5 | 8.6 × 10−6 | 705 |
| 10 | 3.26 × 10−5 | 2.82 × 103 |
| 50 | 8.16 × 10−4 | 7.05 × 104 |
| 100 | 3.26 × 10−3 | 2.82 × 105 |
| 500 | 8.16 × 10−2 | 7.05 × 106 |
