Can someone explain why the herraez equation doesn't mathematically work for the two faces, in the case of viscosity of binary mixtures have distribution with extrema.
Viscosity = visco(pure2) + [visco(pure2)-visco(pure2)].x1^(polynomial of x1).
Where the (polynomial of x1) = B0+B1x1+B2x1^2+...
doi: 10.1080/00319104.2012.682260 ;
Link: http://www.tandfonline.com/eprint/ngAgj7nWRP9NRNGv4WVQ/full