Table 3.

Numerical result of average EOF velocity and $\mathrm{\zeta }$ for 1.0 mM KCl electrolyte, with different ${\mathrm{E}}_{\text{ext}}$.

${\mathbf{E}}_{\text{ext}}$ $\mathbf{V}/\mathbf{m}$	Average EOF velocity $\mathbf{m}/\mathbf{s}\times {\mathbf{10}}^{\mathbf{6}}$	Zeta potential $\mathit{\zeta }$ $\mathbf{V}\times {\mathbf{10}}^{\mathbf{3}}$
500	4.4	−12.65
1000	8.8	−12.65
6000	52.8	−12.66
13000	114.5	−12.67