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__________________________ MODEL 2234 DIGITAL FLOW COMPUTER
K.
Orifice Coefficient
Given from H. and J. above.
Constants:
1.
2.
132
C
=
first orifice coefficient constant
d0
C
=
second orifice coefficient constant
d1
C
=
third orifice coefficient constant
d2
C
=
fourth orifice coefficient constant
d3
C
=
fifth orifice coefficient constant
d4
F
=
iteration flow factor
1
X
= value of X where low Reynolds number switch occurs,
c
1.142 139 337 256 165 (Reynolds number of 3502.2)
A,B correlation constants for low Reynolds number factor
A = 4.343 524 261 523 267
B = 3.764 387 693 320 165
Initialize C
to value at infinite Reynolds number.
d
C
= C
d
d0
Calculate X, the ratio of 4,000 to the assumed Reynolds
number, according to the formula:
X = F
/ C
1
d
SECTION 3
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