Buckingham Reiner equation

Input(s)

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

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

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

$\rho$: Density of Fluid (ppg)

$\mu$: Viscosity of Fluid $(\mathrm{cP})$

L: Length (ft)

$\tau_{\boldsymbol{o}}$: Torque (psi)

Output(s)

$\tau_{R}$: Shear Stress at the Tube Wall (psi)

Q: Mass Flow Rate (lb/s)

Formula(s)

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons, Chapter: 8, Page: 260.