Corrsin scalar microscale
= Corrsin scalar microscale
{c}
{title2=$\eta_C=(\alpha^3/\epsilon)^{1/4}$}
In the large-diffusivity regime, equate diffusion rate $\alpha/r^2$ with inertial eddy rate $\epsilon^{1/3}r^{-2/3}$. This gives the Corrsin scalar microscale, which exceeds the <Kolmogorov length scale> when $\alpha\gg\nu$.