When specifying an inlet or opening boundary condition, you will set a
Mixture option based on the properties of the incoming
fluid. The options available are:
This option is used when the mass fraction of the fuel component is 1.
This is used when the mass fraction of the oxidizer (usually air) is 1.
9.7.2.3. Mixture Fraction
Use this parameter when you need to specify the reacted mixture of fuel and
oxidizer (for example, in a reacted pilot flame). A value of zero corresponds to
100% oxidizer, and a value of 1 corresponds to 100% fuel.
9.7.2.4. Mixture Fraction Mean and Variance
Used in conjunction with the Mixture Fraction parameter,
but additionally you can specify the variance for the "unmixedness"
of fuel and oxidizer. By default, the three options above imply zero
variance.
