Page 309 - Formulas and Calculations for Petroleum Engineering

302 Formulas and calculations for petroleum engineering

Formula(s)

4
ð
L
o
0:563 P P Þ B r
w ¼
m L
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 3, Page: 106.

5.103 Mass rate of flow of a falling film
Input(s)

3
r: Density (kg/m )
2
g: Gravitational Acceleration (m/s )
d: Film Thickness (m)
W: Width (m)
m: Kinematic Viscosity (kg/(ms))
b: Angle of Inclination w.r.t Direction of Gravity (rad)

Output(s)
o: Mass Rate of Flow (kg/s)

Formula(s)

2 3 cos bðÞ
o ¼ r g d W
3 m
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 2, Page: 46.

5.104 Mass rate of flow through a circular tube

Input(s)
P o : Input Pressure (psi)
P L : Output Pressure (psi)
R: Radius (ft)
r: Density (ppg)
m: Viscosity (cP)
L: Length (ft)

Output(s)

w: Mass Rate (lbm/s)

Formula(s)

4

ð
w ¼ p P P Þ R r = 8 m Lð Þ
o L
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 2, Page: 55.