| 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 |
| Modelica.Units.SI.Distance | FinsPerimeter (from DoublePipeHEX) | | wetted fins perimeter on each internal pipe |
| Modelica.Units.SI.Area | FinsSection (from DoublePipeHEX) | | fins section on each internal pipe |
| Modelica.Units.SI.Area | FinsArea (from DoublePipeHEX) | | total fins area for heat transfer |
| Modelica.Units.SI.Distance | OoPerimeter (from DoublePipeHEX) | | outer pipe external perimeter |
| Modelica.Units.SI.Area | OoSection (from DoublePipeHEX) | | Outer pipe external section |
| Modelica.Units.SI.Distance | OiPerimeter (from DoublePipeHEX) | | Outer pipe internal wetted perimeter |
| Modelica.Units.SI.Area | OiSection (from DoublePipeHEX) | | Outer pipe total internal section |
| Modelica.Units.SI.Distance | Operimeter (from DoublePipeHEX) | | annulus wetted perimeter |
| Modelica.Units.SI.Area | Osection (from DoublePipeHEX) | | annulus nett flow section |
| Modelica.Units.SI.Distance | ODh (from DoublePipeHEX) | | annulus hydraulic diameter |
| MediumO.ThermodynamicState | OStateAvg (from DoublePipeHEX) | | outer flow average state for physical properties calculation |
| MediumO.ThermodynamicState | OiStateWall (from DoublePipeHEX) | | annulus internal wall state for correction factors calculation |
| Modelica.Units.SI.Density | ORho (from DoublePipeHEX) | | annulus average density |
| Modelica.Units.SI.DynamicViscosity | OMu (from DoublePipeHEX) | | annulus average dynamic viscosity |
| Modelica.Units.SI.SpecificHeatCapacity | OCp (from DoublePipeHEX) | | annulus average heat capacity |
| Modelica.Units.SI.ThermalConductivity | OK (from DoublePipeHEX) | | annulus average thermal conductivity |
| Modelica.Units.SI.DynamicViscosity | OiMuWall (from DoublePipeHEX) | | annulus inner wall dynamic viscosity |
| Modelica.Units.SI.PrandtlNumber | OPr (from DoublePipeHEX) | | annulus Prandt number |
| Modelica.Units.SI.VolumeFlowRate | OQ (from DoublePipeHEX) | | total annulus volume flow rate at average conditions |
| Modelica.Units.SI.ReynoldsNumber | ORe (from DoublePipeHEX) | | annulus average Reynolds number |
| Real | OF (from DoublePipeHEX) | | annulus Darcy's friction factor at average conditions |
| Real | OfSmooth (from DoublePipeHEX) | | |
| Modelica.Units.SI.CoefficientOfHeatTransfer | OHo (from DoublePipeHEX) | | annulus average heat transfer coefficient to outer pipe |
| Modelica.Units.SI.Diameter | ODei (from DoublePipeHEX) | | annulus diameter for heat transfer to internal pipe |
| Modelica.Units.SI.Diameter | ODeo (from DoublePipeHEX) | | annulus diameter for heat transfer to external surface |
| Modelica.Units.SI.Velocity | OV (from DoublePipeHEX) | | annulus flow velocity at average conditions. Normally between 0.9 and 3.0 m/s for liquids |
| Real | FinM (from DoublePipeHEX) | | |
| Modelica.Units.SI.Length | OEquivLength (from DoublePipeHEX) | | external pipe equivalent length for pressure drop |
| Real | OiHTcorr (from DoublePipeHEX) | | external flow internal heat trasfer correction factor. 0.873 |
| MediumI.ThermodynamicState | IStateFilm (from HEXtubesCondensing) | | average state for condensation film physical properties calculation |
| Modelica.Units.SI.Density | IRhoFilm (from HEXtubesCondensing) | | liquid density at film temperature |
| MediumI.Density | IRhoG (from HEXtubesCondensing) | | saturated gas density |
| MediumI.DynamicViscosity | IMuG (from HEXtubesCondensing) | | dynamic viscosity of saturated gas |
| Modelica.Units.SI.SpecificEnergy | IHvc (from HEXtubesCondensing) | | gas cooling plus condensation heat(J/kg). Inlet can be sligthly superheated |
| MediumI.MassFraction | IXin (from HEXtubesCondensing) | | vapor quality at inlet as fraction in mass |
| MediumI.MassFraction | IXout (from HEXtubesCondensing) | | vapor quality at outlet as fraction in mass |
| MediumI.Temperature | ITfilm (from HEXtubesCondensing) | | liquid film average absolute temperature |
| Modelica.Units.SI.SpecificHeatCapacity | ICpFilm (from HEXtubesCondensing) | | liquid specific heat capacity at film temperature |
| Modelica.Units.SI.ThermalConductivity | IKfilm (from HEXtubesCondensing) | | liquid thermal conductivity at film temperature |
| Modelica.Units.SI.PrandtlNumber | IPrFilm (from HEXtubesCondensing) | | liquid Prandt number at film temperature |
| MediumI.DynamicViscosity | IMuFilm (from HEXtubesCondensing) | | liquid viscosity at film temperature |
| Modelica.Units.SI.ReynoldsNumber | IReL (from HEXtubesCondensing) | | Reynolds number of the liquid phase at the end of condensation |
| Modelica.Units.SI.ReynoldsNumber | IReVDI (from HEXtubesCondensing) | | At end of condensation. Uses mass flow per unit perimeter length =condensate outlet Reynolds/4 |
| MediumI.MassFraction | IXm (from HEXtubesCondensing) | | mean vapor quality |
| Real | INuL (from HEXtubesCondensing) | | |
| Real | INuT (from HEXtubesCondensing) | | |
| Real | INuCg (from HEXtubesCondensing) | | Nusselt(special) number laminar, turbulent, combined, for gravity governed |
| Modelica.Units.SI.CoefficientOfHeatTransfer | IHg (from HEXtubesCondensing) | | gravity governed heat transfer coefficient |
| Modelica.Units.SI.CoefficientOfHeatTransfer | IHs (from HEXtubesCondensing) | | gas shear governed heat transfer coefficient |
| MediumI.ThermodynamicState | IStateGas (from HEXtubesCondensing) | | saturated gas state |
| Modelica.Units.SI.ReynoldsNumber | IReG (from HEXtubesCondensing) | | Reynolds number at condensation if all was gas |
| Real | IFl (from HEXtubesCondensing) | | Darcy's friction factor if all liquid |
| Real | IFg (from HEXtubesCondensing) | | Darcy's friction factor if all gas |
| Modelica.Units.SI.Pressure | IPlossL (from HEXtubesCondensing) | | friction head loss if all was liquid |
| Modelica.Units.SI.Pressure | IPlossG (from HEXtubesCondensing) | | friction head loss if all was gas |
