Purifier Stokes Settling Velocity
Settling velocity of a dispersed-water droplet in oil: v = d²·(ρ_w − ρ_o)·g / (18·μ). The basis of centrifugal purifier sizing.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Droplet diameter | m | |
| Water and oil densities | kg/m³ | |
| Oil dynamic viscosity | Pa·s |
Source: Alfa Laval - Marine Purifier Theory
In short
Settling velocity of a dispersed-water droplet in oil: v = d\u00b2\u00b7(\u03c1_w \u2212 \u03c1_o)\u00b7g / (18\u00b7\u03bc).