Page 297 - Formulas and Calculations for Petroleum Engineering

290 Formulas and calculations for petroleum engineering

5.74 Friction factor in flow through conduits

Input(s)
D: Diameter of Conduit (ft)
L: Length of Conduit (ft)
v: Fluid Velocity (ft/s)
P o : Inlet Pressure (psi)
P L : Outlet Pressure (psi)
r: Density (g/cc)

Output(s)

f: Friction Factor (dimensionless)

Formula(s)

ð
0:25 D P P Þ
L
o
f ¼
2
0:5 L r v ðÞ
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 6, Page: 178.

5.75 Friction factor in packed column (laminar)

Input(s)
e: Fractional Void Space (dimensionless)
D P : Diameter of Particles (ft)
v 0 : Velocity of Fluid (ft/s)
r: Density of Fluid (g/cc)
m: Viscosity of Fluid (cP)

Output(s)
f: Friction Factor (dimensionless)

Formula(s)

!
2
ð 1 eÞ 75 m
f ¼
3
P
e r D v o
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 6, Page: 190.

5.76 Friction factor in packed column (turbulant)
Input(s)

e: Fractional Void Space (dimensionless)