Particle Settling Velocity

Estimate Stokes and drag-corrected terminal settling velocity for a single sphere.

visual calculatorMultiphase Flow

Read the flow shape before trusting the number.

This page turns a CFD setup into regime, scale, and dominant-effect cues. Adjust the calculator below and compare the moving graphic with the computed result.

input scale

model

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particlesettlingdragmultiphase

formula

KaTeX rendered

\begin{aligned}\text{U\_t,Stokes = (rho\_p - rho\_f) g d\^{}2 / (18 mu\_f)}\end{aligned}

ASCII source

U_t,Stokes = (rho_p - rho_f) g d^2 / (18 mu_f)

rho_p (kg/m^3)rho_f (kg/m^3)mu_f (Pa s)particle diameter d (m)

Stokes U_t (m/s)

0.2046

corrected U_t (m/s)

0.0735

Re_p

36.6921

C_d

1.8198

Corrected velocity iterates a Schiller-Naumann style drag curve for a single isolated sphere.

particle settling drag multiphase