Interpolation

Look-up Table Interpolation

Determines a secondary value from the entered primary value by performing interpolation of table values



The Coefficient of Discharge is derived from a look-up table as follows:

Gas_Line

Symbol Description Units
Cd Coefficient of Discharge -
Re Reynolds Number -
Rel Largest lookup table Reynolds Number ≤ entered Reynolds Number -
Reu Smallest lookup table Reynolds Number > entered Reynolds Number -
Cdl Lookup table Cd corresponding to Rel -
Cdu Lookup table Cd corresponding to Reu -