Stokes Law
Stoke's Equation: The velocity at which a fat globule will rise or fall in a liquid varies as the square of its diameter:
V is equal to {d(squared) x (pd-pc) x ra(Squared)} / 18n
Where :
V =particle velocity
d=particle diameter
pd=discrete phase density
pc=continuous phase density
r=radius of axis of rotation
a=angular velocity
n=continuous phase velocity
note : (r (a Sqared)) is replaced by g (the force of gravity) when not in a centrifugal field
For example, a fat globule with a diameter of 2 microns will rise 4 times faster than a fat globule with a diameter of 1 micron.