User Manual

43
SP3850 Flow Computer
7.2 Flow Equations: (Continued)
Flow Equations
The above information was obtained from "Flow Measurement Engineering Handbook, 3rd
Edition" by Richard W Miller.
API 2540
Expansion Factor
Equation
1. Select the values for K
0
and K
1
for the fluid group to be measured
2. Convert the base reference density for your fluid into the corresponding density
units of kg/m
3
3. Solve for α
b
using equation above
4. C = α
b
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