Nomenclature
A = Area of the cross-section of the fluid (m2)
c0 = Primeter of the spray hole (m)
C = The perimeter of the gas infiltration edge (m)
d 0 = Hydraulic diameter of the distributor for
the liquid phase (m)
d e = The hydraulic diameter of the gas-phase
inlet (m)
e = Universal constant
F s= Gas-phase kinetic energy factor
(m/s·(kg/m)0.5)
G = Gas volume flow rate (m3/h)
h lr = Level height for the rotational flow
separation chamber (m)
h lp = Level height for the perforated flow
separation chamber (m)
L = Liquid volume flow rate (m3/h)
L W = Spray density
m3/(m2·h))
R2 = Correlation coefficient
Re g = Reynolds number of gas phase
Re l-o = Reynolds number of liquid-phase in
overflow distribution
Re l-s = Reynolds number of liquid-phase in spray
distribution
s0 = Area of the spray hole
u g = Superficial gas velocity (m/s)
u gp = Gas velocity of perforated flow (m/s)
u gr = Gas velocity of rotational flow (m/s)
u m = Average velocity for the liquid phase (m/s)
W = Width of the guide plate (m)
Greek Symbols
= Rotational ratio for the gas phase
= Rotational ratio for the gas phase under spray distribution
= Rotational ratio for the gas phase under overflow distribution
= Rotational ratio for the liquid phase under spray distribution
= Rotational ratio for the liquid phase under overflow distribution
= Liquid film thickness (m)
= Density of liquid phase (kg/m3)
= Density of gas phase (kg/m3)
= Tension coefficient of gas-liquid interface (mN/m)
= Angle between the inclined plate and vertical direction (°)
= Pressure drop of blade unit (Pa)