PROCESS ASSOCIATES
Cavitation Number
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Cavitation Number

Cavitation number is proportional to { (excess of local static head over vapor pressure head) / (velocity head) } and is used in momentum transfer in general and throttling calculations in particular. It is normally defined in the following form :

 

Cavitation Number

 

Where:

gc

=

Dimensional constant

p

=

Local static pressure

p_v

=

Vapor pressure

rho

=

Density

V

=

Velocity