Figure
13. Time-averaged flow
rates
per unit area
for
the MBC agitator. (a) Axial direction; (b) Radial direction.
Power
number
The power number, NP , is a crucial parameter to
evaluate the energy consumption of the agitator, as well as the energy
loading capacity. It can be calculated by
(2)
where, P is the power consumption, which is written by