Mass rate of flow through a circular tube

Input(s)

$\boldsymbol{P}_{\boldsymbol{o}}$: Input Pressure (psi)

$\boldsymbol{P}_{L}$: Output Pressure (psi)

$\mathrm{R}$: Radius (ft)

$\rho$: Density $(\mathrm{ppg})$

$\mu$: Viscosity (cP)

L: Length $(\mathrm{ft})$

Output(s)

w: Mass Rate $(\mathrm{lbm} / \mathrm{s})$

Formula(s)

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons, Chapter: 2, Page: 55.