Coefficient of variation for static mixer
 

hi
i want to select appropriate static mixer for mixing two fluid. but i cant calculate "Coefficient of variation" with fluent to know is that mixed good enough or not.
for calculating COV i devided outlet "standard deviation" to "Facet average" at "Molar concentration", but it isnt true!!!!
can any one help me?????:(:(:(:(:confused::confused::confused:

Help~
 

Friend, have you solved this? And can you tell me how to do?