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Calculate Terminal Velocity



App description

Stokes's calculation: terminal velocity, acceleration of gravity, diameter of a particle, density of medium, density of particle, viscosity of medium

Calculation of terminal velocity, acceleration of gravity, diameter of a particle, density of medium, density of particle, and viscosity of medium.

Select the appropriate unit and enter a value and click on "Calculate". The result will be displayed.

Calculation formula

V = Terminal Velocity

D = Diameter Of a Particle

g = Acceleration Of Gravity

v = Viscosity Of Medium

dp = Density Of Particle

dm = Density Of Medium

\(V=\frac {g×D^2×(d _p-d _m)}{18×v}\)

Usage example

Known data: acceleration of gravity; diameter of a particle; density of particle; density of medium; viscosity of medium, what is the terminal velocity?

Input data: acceleration of gravity: 2 m / sec; diameter of a particle: 1 m; density of particle: 2 g / m3; density of medium: 0.5 g / m3; viscosity of medium: 0.9 g / m - sec, click "Calculate" ,show results.

Output: The terminal velocity is 0.1851852 m / s.

Note

The unit of acceleration of gravity, diameter of a particle, density of particle, density of medium, and viscosity of medium can be checked. Click the arrow in the check box to select the corresponding unit.

 

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