ONICON F-2600 - Manual (Page 123)

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F-2600 & F-2700 Vortex Flow Meter Manual 02/15 - 0808-7 / 19204 Page B-2
Insertion Flow Meter Calculations
Flowing Velocity
V
f
=
f
K
C
Volume Flow Rate
Q
V
= V
f
A
Mass Flow Rate
Q
M
= V
f
A ρ
Where:
A = Cross sectional area of the pipe (ft^2)
f = Vortex shedding frequency (pulses / sec)
K
C
= Meter factor corrected for Reynolds Number (pulses / ft)
Q
V
= Volume flow rate (ft^3 / sec)
Q
M
= Mass flow rate (lbm / sec)
V
f
= Flowing velocity (ft / sec)
ρ = Density (lbm / ft^3)