GE PanaFlow MV80, Руководство пользователя

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Appendix C. Flowmeter Calculations
138 PanaFlow™ MV80 & MV82 User’s Manual
C.2 Insertion Flowmeter Calculations
C.2.1 Flowing Velocity
C.2.2 Volume Flow Rate
C.2.3 Mass Flow Rate
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
)
V
f
f
K
c
-----
=
Q
V
V
f
A =
Q
M
V
f
A
ρ
=