This calculation is based on the ISO 5167 standard to calculate mass flow rate through a Venturi tube or nozzle extended to include the Chisholm De Leeuw wet gas correction. The wet gas (saturated) flow rate is calculated along with the flow rate for each phase of the fluid.
FLOCALC Calculation reference F033
Kelton calculation reference C026
Kelton calculation reference C173
ISO 5167-1 1991
Mass flow rate is calculated using C173 with the Chisholm option selected for the correction.
Flow rate conversions are given in C202.