Actual

phenomenon

Experiment

number 1

Experiment

number 2

Experiment

Number 3

Experiment

number 4

Particle diameter (mm)

0.2

0.125

0.165

0.3

0.5

Particle density (kg/m³)

980

3580

3980

3980

3980

Fluid density (kg/m³)

1.342

995.3

995.3

998.2

998.2

Sedimentation

velocity (m/s)

1

0.0324

0.0348

0.0530

0.0870

Fluid

velocity (m/s)

5

0.18

0.18

0.27

0.24

Friction

velocity (m/s)

0.185

0.120

0.214

0.291

0.250

Length of a side (mm)

1000

20

10

10

10

Viscosity

(10⁻³ pa・s)

0.0167

0.874

0.874

0.936

0.936

Stokes

number

0.652

0.032

0.124

0.574

1.417

Sedimentation

velocity ratio

0.2

0.18

0.19

0.20

0.36

Critical friction velocity ratio

0.037

0.667

1.18

1.07

1.04