| 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 | IStateAvg (from HEXtubesForcedConvection) | | inner pipe average state for physical properties calculation |
| Modelica.Units.SI.Density | IRho (from HEXtubesForcedConvection) | | inner pipe average density |
| Modelica.Units.SI.DynamicViscosity | IMu (from HEXtubesForcedConvection) | | inner pipe average dynamic viscosity |
| Modelica.Units.SI.SpecificHeatCapacity | ICp (from HEXtubesForcedConvection) | | inner pipe average heat capacity |
| Modelica.Units.SI.ThermalConductivity | IK (from HEXtubesForcedConvection) | | inner pipe average thermal conductivity |
| Modelica.Units.SI.PrandtlNumber | IPr (from HEXtubesForcedConvection) | | inner pipe Prandt number |
| Modelica.Units.SI.VolumeFlowRate | IQ (from HEXtubesForcedConvection) | | inner pipe total volume flow rate at average conditions |
| Modelica.Units.SI.Velocity | IV (from HEXtubesForcedConvection) | | velocity at average conditions referenced to the empty pipe. Normally between 0.9 and 3.0 m/s for liquids |
| Modelica.Units.SI.ReynoldsNumber | IRe (from HEXtubesForcedConvection) | | inner pipe Reynolds number at average conditions |
| Real | IFl (from HEXtubesForcedConvection) | | internal flowlaminar Darcy's friction factor at average conditions |
| Real | IFt (from HEXtubesForcedConvection) | | internal flow turbulent Darcy's friction factor at average conditions |
| Real | IF (from HEXtubesForcedConvection) | | internal flow Darcy's friction factor at average conditions |
| Modelica.Units.SI.RayleighNumber | IRa (from HEXtubesForcedConvection) | | inner flow Rayleigh number |
| Real | ISw (from HEXtubesForcedConvection) | | inner flowSwirl number |
| Real | IfSmooth (from HEXtubesForcedConvection) | | |
| Integer | TubesInShell (from ShellAndTubesHEX) | | |
| Integer | PassesInShell (from ShellAndTubesHEX) | | |
| Modelica.Units.SI.Diameter | IDo (from ShellAndTubesHEX) | | inner pipe external diameter |
| Real | TubeCountFactor (from ShellAndTubesHEX) | | |
| Real | TubeLayoutFactor (from ShellAndTubesHEX) | | |
| SI.Distance | Pitch (from ShellAndTubesHEX) | | should be at least 6 mm more than IDo |
| SI.Distance | PitchP (from ShellAndTubesHEX) | | pitch parallel to flow |
| SI.Distance | PitchN (from ShellAndTubesHEX) | | pitch normal to flow |
| SI.Diameter | DshIProposal (from ShellAndTubesHEX) | | internal shell diameter recommended from number of tubes |
| SI.Diameter | DbuO (from ShellAndTubesHEX) | | tube bundle external diameter |
| SI.Distance | BaCut (from ShellAndTubesHEX) | | max distance from baffle to shell |
| SI.Distance | BaSep (from ShellAndTubesHEX) | | inter baffles distance. Minimum 1/5 of shell diameter or 5 cms. max: 29.54*IDo^0.75. Optimum: 0.3-0.6 of dShI |
| SI.Angle | ThetaBuC (from ShellAndTubesHEX) | | angle of baffle cut intersection with outer tubes centers diameter |
| SI.Angle | ThetaSh (from ShellAndTubesHEX) | | angle of baffle cut intersection with shell |
| Fraction | Fw (from ShellAndTubesHEX) | | fraction of total tubes in each window |
| Fraction | Fc (from ShellAndTubesHEX) | | fraction of total tubes in full crossflow |
| SI.Area | OSm (from ShellAndTubesHEX) | | crossflow area at axis of exchanger |
| SI.Area | OSBaSh (from ShellAndTubesHEX) | | baffle to shell leakage area for each baffle |
| SI.Area | OSTuBa (from ShellAndTubesHEX) | | tube to baffle leakage area for each baffle |
| SI.Area | OSb (from ShellAndTubesHEX) | | bundle bypass area |
| Real | Nc (from ShellAndTubesHEX) | | number of rows in full crossflow |
| Real | Ncw (from ShellAndTubesHEX) | | number of effective crossflow rows in each window |
| SI.Area | OSw (from ShellAndTubesHEX) | | free area for shell flow at windows |
| Real | Jc (from ShellAndTubesHEXfc) | | bafflecut correction factor |
| Real | Jl (from ShellAndTubesHEXfc) | | baffle leakage correction factor |
| Real | Jb (from ShellAndTubesHEXfc) | | Bundle bypass correction factor |
| Real | Cbh (from ShellAndTubesHEXfc) | | empirical factor for bundle bypass correction, depending on Reynolds number |
| Real | Js (from ShellAndTubesHEXfc) | | unequal baffle spacing correction factor |
| Real | Jm (from ShellAndTubesHEXfc) | | wall viscosity correction factor |
| Real | N (from ShellAndTubesHEXfc) | | exponent for baffle spacing correction |
| Real | A1 (from ShellAndTubesHEXfc) | | |
| Real | A2 (from ShellAndTubesHEXfc) | | |
| Real | A3 (from ShellAndTubesHEXfc) | | |
| Real | A4 (from ShellAndTubesHEXfc) | | empirical constants for ideal heat transfer calculation |
| Real | B1 (from ShellAndTubesHEXfc) | | |
| Real | B2 (from ShellAndTubesHEXfc) | | |
| Real | B3 (from ShellAndTubesHEXfc) | | |
| Real | B4 (from ShellAndTubesHEXfc) | | empirical constants for pressure loss calculation |
| MediumO.ThermodynamicState | OStateAvg (from ShellAndTubesHEXfc) | | shell average state for physical properties calculation |
| MediumO.ThermodynamicState | OiStateWall (from ShellAndTubesHEXfc) | | shell internal wall state for correction factors calculation |
| Modelica.Units.SI.Density | ORho (from ShellAndTubesHEXfc) | | shell average density |
| Modelica.Units.SI.DynamicViscosity | OMu (from ShellAndTubesHEXfc) | | annulus average dynamic viscosity |
| Modelica.Units.SI.SpecificHeatCapacity | OCp (from ShellAndTubesHEXfc) | | shell average heat capacity |
| Modelica.Units.SI.ThermalConductivity | OK (from ShellAndTubesHEXfc) | | shell average thermal conductivity |
| Modelica.Units.SI.DynamicViscosity | OiMuWall (from ShellAndTubesHEXfc) | | shell inner wall dynamic viscosity |
| Modelica.Units.SI.PrandtlNumber | OPr (from ShellAndTubesHEXfc) | | shell Prandt number |
| Modelica.Units.SI.VolumeFlowRate | OQ (from ShellAndTubesHEXfc) | | total shell volume flow rate at average conditions |
| Modelica.Units.SI.Velocity | OV (from ShellAndTubesHEXfc) | | shell flow velocity at average conditions. Normally between 0.9 and 3.0 m/s for liquids |
| Modelica.Units.SI.ReynoldsNumber | ORe (from ShellAndTubesHEXfc) | | shell average Reynolds number |
| Modelica.Units.SI.CoefficientOfHeatTransfer | OHiIdeal (from ShellAndTubesHEXfc) | | outer flow ideal heat transfer coefficient to inner pipe |
| Real | OFcf (from ShellAndTubesHEXfc) | | crossflow friction factor |
| SI.Pressure | OPlossCfId (from ShellAndTubesHEXfc) | | ideal crossflow friction head loss in each baffle compartment |
| SI.Pressure | OPlossCf (from ShellAndTubesHEXfc) | | crossflow friction loss for all baffle compartments |
| Real | Cbp (from ShellAndTubesHEXfc) | | empirical factor for bundle bypass correction, depending on Reynolds number |
| Real | Rb (from ShellAndTubesHEXfc) | | bypass correction factor |
| Real | Rl (from ShellAndTubesHEXfc) | | leakage correction factor |
| SI.Pressure | OPlossWin (from ShellAndTubesHEXfc) | | windows friction loss for all baffle compartments |
| SI.Pressure | OPlossEn (from ShellAndTubesHEXfc) | | entrance friction loss |
| SI.Pressure | OPlossNoz (from ShellAndTubesHEXfc) | | nozzles friction loss |
| Modelica.Units.SI.Velocity | OVnoz (from ShellAndTubesHEXfc) | | nozzles velocity |
| Modelica.Units.SI.ReynoldsNumber | OReNoz (from ShellAndTubesHEXfc) | | nozzles average Reynolds number |
