| SI.SpecificEnthalpy | dh | | Enthalpy range |
| SI.SpecificEnthalpy | h | | Enthalpy |
| Units.MassFlux | G | | Total mass flow rate |
| Units.NonDim | x_th | | Thermodynmic quality |
| Units.NonDim | x_abs | | Steam quality (0<x<1) |
| Medium.ThermodynamicState | state | | Thermodynamic states |
| Medium.SaturationProperties | sat | | Properties of saturated fluid |
| Medium.ThermodynamicState | bubble | | Bubble point state |
| Medium.ThermodynamicState | dew | | Dew point state |
| Medium.SpecificEnthalpy | h_fsat | | Saturated liquid temperature |
| Medium.SpecificEnthalpy | h_gsat | | Saturated vapour temperature |
| SI.Density | rho_fsat | | Saturated liquid density |
| Medium.DynamicViscosity | mu_fsat | | Dynamic viscosity at bubble point |
| Medium.ThermalConductivity | lambda_fsat | | Thermal conductivity at bubble point |
| Medium.SpecificHeatCapacity | cp_fsat | | Specific heat capacity at bubble point |
| Medium.SurfaceTension | sigma | | Surface tension |
| SI.Density | rho_gsat | | Saturated vapour density |
| Medium.DynamicViscosity | mu_gsat | | Dynamic viscosity at dew point |
| Medium.ThermalConductivity | k_gsat | | Thermal conductivity at dew point |
| Medium.SpecificHeatCapacity | cp_gsat | | Specific heat capacity at dew point |
| SI.SpecificEnthalpy | h_fg | | Latent heat of vaporization |
| SI.TemperatureDifference | Delta_Tsat | | Saturation temperature difference (Twall-Tsat) |
| SI.PressureDifference | Delta_psat | | Saturation pressure difference (psat(Twall)-psat(Tsat)) |
| SI.CoefficientOfHeatTransfer | alpha | | Heat transfer coefficient |
| Real | X_tt_inv | | Inverse of the Martenelli Parameter |
| Real | F | | Correction factor for two-phase impact on liquid-phase convection |
| Real | S | | Nucleare boiling suppresion factor |
| Real | Re_tp | | Two-phase Reynolds number |
| Utilities.ErrorAnalysis.UnitTests | unitTests | | |