Page 308 - Formulas and Calculations for Petroleum Engineering

Fluid flow and transport phenomena formulas and calculations Chapter 5 301

r: Density (ppg)
z: Distance from Input Side (ft)
b: Inclination (rad)
m: Viscosity (cP)

Output(s)

w: Mass Flow rate (lb/s)

Formula(s)

3

ð
2 P P Þ B r 2 p z sin bðÞ
L
o
w ¼ L m
3
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 2, Page: 72.
5.101 Mass rate of flow

Input(s)
2
g: Acceleration due to Gravity (cm/s )
r: Density (g/cc)
d: Film Thickness (cm)
2
v: Kinematic (cm /s)
W: Width (cm)

Output(s)

w: Mass Rate of Flow (g/s)

Formula(s)

3

r g d W
w ¼
3 v
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 2, Page: 47.

5.102 Mass rate of flow in a squared duct

Input(s)
P o : Input Pressure (psi)
B: Duct Boundary (ft)
r: Fluid Density (g/cc)
m: Viscosity (cP)
L: Length (ft)
P L : Output Pressure (psi)

Output(s)

w: Mass Rate in Square Duct (g/s)