Notation
d diameter of the drop, m
d32 Sauter mean diameter, m
dr the relative deviation
dmax maximum stable drop diameter, m
D diameter of the impeller, m
fv volume ratio of the daughter droplet to the
mother droplet
k the turbulent kinetic energy,
m2/s2
n (d ) number density function of the droplets,
m-4
N rotating speed of the impeller, r/s
Oh the Ohnesorge number
Pb breakup probability
tb breakup time, ms
tc time duration, s
T the oscillation period of drop surface, s
VI viscosity group
We impeller Weber number