changes.mady.by.user user-a4192
Saved on Feb 28, 2008
\large $$ f = {{0.25} \over {\log \left( {{\varepsilon \over {3.7 \cdot 4 \cdot R_h }} + 5.74 \cdot ({\mathop{\rm Re}\nolimits} ^{ - 1} )^{0.9} } \right)^2 }} $$
