| Name | TDE.Wilson.ActivityCoefficients |
|---|---|
| Comment | Activity coefficients model |
| Variable GEX | Excess Gibbs energy |
| Variable T | Temperature |
| Variable x1 | Mole fraction of component 1 |
| Variable x2 | Mole fraction of component 2 |
| Parameter a | Array (1 to 2) |
| Constant R | Gas constant |
GEX/(R×T) = -x1×ln(x1 + a2×x2) - x2×ln(x2 + a1×x1)