Flow Number

Written by Jerry Ratzlaff. Posted in Dimensionless Numbers

Flow Number is a dimensionless number.

FORMULA

\( N_q = \frac { Q  } { n d^3} \)

Where:

\(N_q\) = Flow Number

\(Q\) = impeller primary flow

\(n\) = impeller rotational speed

\(d\) = impeller diameter