| Name | TDE.NRTL.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 k | |
| Parameter c1 | |
| Parameter c2 | |
| Constant nTerms | Number of terms |
| Constant R | Gas constant |
GEX/(R×T) = x1×x2× [c1×exp(-k×c1)/{x1 + x2×exp(-k×c1)} + c2×exp(-k×c2)/{x2 + x1×exp(-k×c2)}]