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MODEL 2234 DIGITAL FLOW COMPUTER ___________________________
3.
F
= C
+ (C
c
d0
D
= (0.7 C
c
Else
F
= C
+ C
c
d0
D
= 0.7 C
c
0.8 C
SECTION 3
Calculate the correlation value of C
X, and the derivative of the correlation with respect to the
assumed value of C
If (X < X
) then
c
0.35
X
+ C
d1
d2
0.35
X
+ 0.35 C
d1
0.7
X
+ (C
+C
d1
d2
0.7
X
+ (C
+ C
d1
d2
0.8
(A - B/X) X
d3
, D
, using the following formulae:
d
c
0.8
0.35
+ C
X
) X
d3
0.8
+ 1.15 C
X
d2
d3
0.8
X
)( A - B / X) + C
d3
0.8
X
) B/X +
d3
0.8
+ 0.8C
X
d4
, F
, at the assumed flow,
d
c
0.8
+ C
X
d4
0.35
) X
+ 0.8 C
X
d4
0.8
X
d4
0.8
133
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