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Foam Fractionation
book

Foam Fractionation

by Paul Stevenson, Xueliang Li
February 2014
Intermediate to advanced content levelIntermediate to advanced
206 pages
7h 3m
English
CRC Press
Content preview from Foam Fractionation
61Hydrodynamics of Pneumatic Foam
g Acceleration due to gravity [m.s
−2
]
j
d
Supercial liquid drainage velocity [m.s
−1
]
j
f
Supercial liquid velocity up the column [m.s
−1
]
j
f
*
Liquid supercial velocity at the ooding condition [m.s
−1
]
j
g
Supercial gas velocity [m.s
−1
]
j
g
*
Supercial gas velocity at the ooding condition [m.s
−1
]
k Pre-factor in Equation (3.20) [kg.m
−1
.s
n−2
]
m Dimensionless number used in Equation 3.2 [–]
n Dimensionless index used in Equation 3.2, or index in Equation 3.20 [–]
p Pressure [N.m
−2
]
Q
g
Volumetric gas ow rate [m
3
.s
−1
]
r
b
Bubble radius [m]
Sk Stokes number dened in Equation 3.1 [–]
U
S
Slip velocity at the pipe wall [m.s
−1
]
x Length, measured positive upward, or in horizontal direction [m]
Greek
γ
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Publisher Resources

ISBN: 9781466558519