Question

Methane at 600 psia, 100°F, is flowing in a pipe line at the rate of 10,000 cfm. Determine the mass flow rate using (a) ideal gas theory, (b) compressibility factor, (c) Redlich-Kwong equation.

Answer 1

$\rho=\frac{pM}{RT}=24~\frac{kg}{m^3},$

$\dot m=\rho \dot V=113~\frac{kg}s.$