Marine Engineering

Basic Theory

Distance
Viscosity
Size of particle
Gravitational Force

Rate of sedimentation

When a particle (solid or liquid) moves through a viscous
medium under the influence of gravitation, it will attain a constant velocity after a certain time.
This is known as the sedimentation velocity
or derived from Stokes' Law, the rate of sedimentation
can be calculated if the following physical parameters
are known:
Particle diameter d (m)
Particle density Pp (kg/m3)
Density of the continuous phase PI(kg/m3)
Viscosity of the continuous phase 1'/(kg/m,s)
Gravitational acceleration g (9.81 m/s2)



Simple centrifuging