Actual phenomenon

Water tank

Particle diameter

d (mm)

0.2

0.15

Particle density

ρ (kg/m3)

920

3980

Sedimentation velocity

Wt (m/s)

1

0.0348

Velocity

U (m/s)

10

0.27

Candidate length

L (m)

2000

3

Viscosity

μ (10−3 Pa・s)

0.0167

0.724

Stokes number

St

0.61

0.62

Sedimentation velocity ratio

Wt/U

0.1

0.12