4.14. Typical equations, which can be used for terminal velocity calculation

The terminal velocity of a spherical fine particle settling under the influence of gravity can be determined by Stokes' law:

$V_{t} = \sqrt{\frac{4 g D_{p}}{3 C_{D}}} \sqrt{\frac{ρ_{L} - ρ_{v}}{ρ_{v}}}$

(4.46)

$V_{t} = k \frac{ρ_{1} - ρ_{v}}{ρ_{v}}$

(4.47)

where:

V_t is terminal velocity, in (m/s)

g is acceleration of gravity, in (m/s²)

D_p is diameter of fine particle, in (m)

C_D is drag coefficient

ρ_{l}

is density of liquid, in (kg/m³)

ρ_{v}

is density of vapor, in (kg/m³)

k is entrainment ...

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Natural Gas Processing by Alireza Bahadori