| Integer | ItotalNumPipes (from HEXtubesDefinition) | | total number of individual inner pipes |
| Modelica.Units.SI.Distance | IiPerimeter (from HEXtubesDefinition) | | inner pipe internal wetted perimeter |
| Modelica.Units.SI.Area | IiSection (from HEXtubesDefinition) | | inner pipe internal flow section |
| Modelica.Units.SI.Distance | IDh (from HEXtubesDefinition) | | internal pipe hydraulic diameter |
| Modelica.Units.SI.Area | IiArea (from HEXtubesDefinition) | | total inner pipes internal heat transfer area |
| Modelica.Units.SI.Distance | IoPerimeter (from HEXtubesDefinition) | | inner pipe external perimeter |
| Modelica.Units.SI.Area | IoSection (from HEXtubesDefinition) | | inner pipe external section |
| Modelica.Units.SI.Area | IoArea (from HEXtubesDefinition) | | total inner pipes external heat transfer area |
| MediumI.ThermodynamicState | IStateIn (from HEXtubesDefinition) | | inner flow inlet state |
| MediumI.ThermodynamicState | IStateOut (from HEXtubesDefinition) | | inner flow outlet state |
| Modelica.Units.SI.Temperature | ITin (from HEXtubesDefinition) | | inner flow inlet temperature |
| Modelica.Units.SI.Temperature | ITout (from HEXtubesDefinition) | | iiner flow outlet temperature |
| Modelica.Units.SI.Temperature | IT (from HEXtubesDefinition) | | inner pipe average temperature |
| MediumI.ThermodynamicState | IStateWall (from HEXtubesDefinition) | | inner pipe wall state for correction factors
calculation |
| Modelica.Units.SI.Temperature | ITwall (from HEXtubesDefinition) | | inner pipe wall temperature |
| Modelica.Units.SI.DynamicViscosity | IMuWall (from HEXtubesDefinition) | | inner pipe wall dynamic viscosity |
| Real | IPlossCorr (from HEXtubesDefinition) | | internal pipe pressure loss correction factor |
| Modelica.Units.SI.AbsolutePressure | IPloss (from HEXtubesDefinition) | | internal pipe pressure loss by friction, without taking into account the nozzles |
| Real | IHTcorr (from HEXtubesDefinition) | | internal pipe heat transfer correction factor |
| Modelica.Units.SI.NusseltNumber | INu (from HEXtubesDefinition) | | inner pipe Nusselt number |
| Modelica.Units.SI.CoefficientOfHeatTransfer | IH (from HEXtubesDefinition) | | inner pipe average heat transfer coefficient |
| MediumO.ThermodynamicState | OStateIn (from HEXtubesDefinition) | | outer flow inlet state |
| MediumO.ThermodynamicState | OStateOut (from HEXtubesDefinition) | | outer flow outlet state |
| Modelica.Units.SI.Temperature | OTin (from HEXtubesDefinition) | | outer flow inlet temperature |
| Modelica.Units.SI.Temperature | OTout (from HEXtubesDefinition) | | outer flow outlet temperature |
| Modelica.Units.SI.Temperature | OT (from HEXtubesDefinition) | | outer flow average temperature |
| Modelica.Units.SI.Length | IEquivLength (from HEXtubesDefinition) | | internal pipe equivalent length for pressure drop |
| Real | OPlossCorr (from HEXtubesDefinition) | | outer flow pressure loss correction factor |
| Modelica.Units.SI.AbsolutePressure | OPloss (from HEXtubesDefinition) | | outer flow pressure loss by friction |
| Modelica.Units.SI.Area | OiArea (from HEXtubesDefinition) | | total outer flow internal area for heat transfer |
| Fraction | OiEfficiency (from HEXtubesDefinition) | | outer flow internal area efficiency |
| Modelica.Units.SI.NusseltNumber | ONu (from HEXtubesDefinition) | | outer flow nusselt number for internal heat transfer |
| Modelica.Units.SI.CoefficientOfHeatTransfer | OHi (from HEXtubesDefinition) | | outer flow average heat transfer coefficient to inner pipe |
| Modelica.Units.SI.ThermalResistance | TRii (from HEXtubesDefinition) | | total resitance for the transfer between inner fluid and inner wall |
| Modelica.Units.SI.ThermalResistance | TRio (from HEXtubesDefinition) | | total resitance for the transfer between outer fluid and inner wall |
| Modelica.Units.SI.ThermalResistance | TRi (from HEXtubesDefinition) | | total resitance for the transfer between inner and outer fluids |
| Modelica.Units.SI.CoefficientOfHeatTransfer | Ui (from HEXtubesDefinition) | | global heat transfer coefficient referenced to total inner flow area |
| Modelica.Units.SI.TemperatureDifference | ILMTD (from HEXtubesDefinition) | | LMTD between inner and outer fluids |
| Fraction | ILMTDcorr (from HEXtubesDefinition) | | internal LMTD correction factor |
| Real | Rntu (from HEXtubesDefinition) | | |
| Real | NTU (from HEXtubesDefinition) | | |
| Modelica.Units.SI.Power | IW (from HEXtubesDefinition) | | heat exchanged between inner and outer fluids. Positive if heat enters the inner fluid |
| Modelica.Units.SI.Area | IiArea1 (from HEXtubesDefinition) | | total inner pipes internal heat transfer area used in first stage transfer |
| Modelica.Units.SI.ThermalResistance | TRi1 (from HEXtubesDefinition) | | total resitance for the transfer between inner and outer fluids in the first stage |
| MediumI.ThermodynamicState | IStateFilm | | average state for condensation film physical properties calculation |
| Modelica.Units.SI.Density | IRhoFilm | | liquid density at film temperature |
| MediumI.Density | IRhoG | | saturated gas density |
| MediumI.DynamicViscosity | IMuG | | dynamic viscosity of saturated gas |
| Modelica.Units.SI.SpecificEnergy | IHvc | | gas cooling plus condensation heat(J/kg). Inlet can be sligthly superheated |
| MediumI.MassFraction | IXin | | vapor quality at inlet as fraction in mass |
| MediumI.MassFraction | IXout | | vapor quality at outlet as fraction in mass |
| MediumI.Temperature | ITfilm | | liquid film average absolute temperature |
| Modelica.Units.SI.SpecificHeatCapacity | ICpFilm | | liquid specific heat capacity at film temperature |
| Modelica.Units.SI.ThermalConductivity | IKfilm | | liquid thermal conductivity at film temperature |
| Modelica.Units.SI.PrandtlNumber | IPrFilm | | liquid Prandt number at film temperature |
| MediumI.DynamicViscosity | IMuFilm | | liquid viscosity at film temperature |
| Modelica.Units.SI.ReynoldsNumber | IReL | | Reynolds number of the liquid phase at the end of condensation |
| Modelica.Units.SI.ReynoldsNumber | IReVDI | | At end of condensation. Uses mass flow per unit perimeter length =condensate outlet Reynolds/4 |
| MediumI.MassFraction | IXm | | mean vapor quality |
| Real | INuL | | |
| Real | INuT | | |
| Real | INuCg | | Nusselt(special) number laminar, turbulent, combined, for gravity governed |
| Modelica.Units.SI.CoefficientOfHeatTransfer | IHg | | gravity governed heat transfer coefficient |
| Modelica.Units.SI.CoefficientOfHeatTransfer | IHs | | gas shear governed heat transfer coefficient |
| MediumI.ThermodynamicState | IStateGas | | saturated gas state |
| Modelica.Units.SI.ReynoldsNumber | IReG | | Reynolds number at condensation if all was gas |
| Real | IFl | | Darcy's friction factor if all liquid |
| Real | IFg | | Darcy's friction factor if all gas |
| Modelica.Units.SI.Pressure | IPlossL | | friction head loss if all was liquid |
| Modelica.Units.SI.Pressure | IPlossG | | friction head loss if all was gas |
