Page 296 - Formulas and Calculations for Petroleum Engineering

Fluid flow and transport phenomena formulas and calculations Chapter 5 289

Output(s)

F: Force (N)

Formula(s)

F ¼ 4 p m R v ∞

Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 2, Page: 60.

5.72 Friction factor for creeping flow around a sphere

Input(s)
D: Diameter (ft)
v: Velocity of Fluid (ft/s)
r: Density of Fluid (g/cc)
m: Viscosity of Fluid (cP)

Output(s)

f: Friction Factor (dimensionless)

Formula(s)

24 m
f ¼
D v r

Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 6, Page: 186.

5.73 Friction factor in flow around submerged objects
Input(s)
2
g: Gravitational Acceleration (ft/s )
v: Fluid Velocity (ft/s)
D: Diameter (ft)
r: Fluid Density (g/cc)
r sph : Density of Sphere (g/cc)

Output(s)
f: Friction Factor (dimensionless)

Formula(s)

4 g D r sph r
f ¼ 2
3 v r

Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 6, Page: 179.