PROCESS ASSOCIATES
Power Number
PROCESSASSOCIATES.COM
 

Power Number

Power number is proportional to { (drag force) / (inertial force) } and is used in momentum transfer in general and power consumption by agitators, fans, pumps, etc. calculations in particular. It is normally defined in the following form :

 

 

Where:

D

=

Characteristic length

gc

=

Dimensional constant

N

=

Rate of rotation

P

=

Power

rho

=

Density

 

unit conversion
Water in Oil Monitor