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Channel geometries and force variation
Straight
|
Curved
|
Spiral
|
Asymmetric curves
|
Contraction/expansion
|
|
|---|---|---|---|---|---|
| Wall interaction force (FWI) |
|
|
|
|
|
| Shear gradient lift force (FSG) |
|
|
|
|
|
| Secondary-flow drag force (FD) |
|
|
|
|
|
| Equilibrium positions | 2–4 | 1–4 | 1–4 | 1–4 | 1–4 |
| Theoretical separation scaling | >a | a2 | a2 | a2 | ≥a3 |
Abbreviations: a, particle diameter; t, time.
