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MODEL 2234 DIGITAL FLOW COMPUTER ___________________________
F.
Velocity of Approach Factor
EV = 1/(1-B
where,
G.
Mass Flow Factor
FM = N
where,
SECTION 3
4
1/2
)
EV
=
Velocity of Approach Factor
B
=
Beta as computed in C. above
2
(Pi/4) EV d
C
FM
=
the Mass Flow Factor
N
=
323.279 [Reference Table 4-5, MPMS 14.3.4]
C
Pi
=
the Number Pi
EV
=
the Velocity of approach factor per F. above
d
=
corrected orifice diameter per A. above
129
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