Stokes-Einstein Equation
Stokes-Einstein equation, abbreviated as SE, is used for evaluating diffusion of spherical particles through a liquid with low Reynolds numbers.
Stokes-Einstein Equation |
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\(\large{ D = \frac{ k_b \; T }{ 6 \; \pi \; \mu \; r } }\) | ||
Symbol | English | Metric |
\(\large{ D }\) = diffusion coefficient | \(\large{lbf}\) | \(\large{N}\) |
\(\large{ k_b }\) = Boltzmann constant | \(\large{\frac{lbm-ft^2}{sec^2}}\) | \(\large{\frac{kJ}{molecule-K}}\) |
\(\large{ \mu }\) (Greek symbol mu) = dynamic viscosity | \(\large{\frac{lbf-sec}{ft^2}}\) | \(\large{Pa-s}\) |
\(\large{ \pi } \) = Pi | \(\large{3.141 592 653 ...}\) | |
\(\large{ r }\) = radius of spherical parcticle | \(\large{in}\) | \(\large{mm}\) |
\(\large{ T }\) = temperature | \(\large{F}\) | \(\large{K}\) |