Page 291 - Formulas and Calculations for Petroleum Engineering

284 Formulas and calculations for petroleum engineering

5.60 Film thickness of a falling film on a conical surface

Input(s)
m: Viscosity (cP)
w: Mass Rate (lbs/s)
L: Length (ft)
r: Density (lb)
2
g: Acceleration of Gravity (ft/s )
b: Inclination (rad)
s: Distance from Cone Apex (ft)

Output(s)
d: Film Thickness (ft)

Formula(s)

1
0 1

3 m L w 3
d ¼ @ 2 A
p r ðÞ g L sin 2 bð Þ s
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 2, Page: 71.

5.61 Flow in a liquid-liquid ejector pump

Input(s)
v 2 : Outlet Velocity (ft/s)
r: Density of Fluid (g/cc)

Output(s)

v 0 : Inlet Velocity (ft/s)
2 2
E v : Energy Dissipation (ft /s )
p 2 2p 1 : Pressure Drop (psi)

Formula(s)

v ¼ 1:5 v
o 2

1
2
p p ¼ r v
2 1 o
18

5
2
E ¼ v
v o
144
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 7, Page: 211.