q = muller_q(l,d,p1,p2,pb,tb,tf,z,e,mu,sg=1)
Calculate the volume flow using the Muller equation.
Length of the pipe (
).
Diameter of the pipe (
).
Upstream pressure (
).
Downstream pressure (
).
Base pressure (
).
Base temperature (
).
Average temperature (
).
Gas compressebility factor.
Pipeline efficiency factor.
Average viscosity in the pipeline ().
Gas gravity ().