Available Fluid Type parameters and variables
- Last UpdatedJun 12, 2025
- 5 minute read
You can use Fluid Type parameters and variables as default values in your Model Types. You can also use these parameters and variables in any equations and conditions that you add to your Model Types.
|
Parameter or Variable |
Description |
Thermo Type |
|---|---|---|
|
FluidType.Class |
The Thermo Type for the Fluid Type. |
All Thermo Types |
|
FluidType.Pressure |
The pressure that AVEVA Process Simulation uses to initially characterize the Fluid Type. |
All Thermo Types |
|
FluidType.PMin |
The minimum pressure that AVEVA Process Simulation allows for a converged simulation that uses this Fluid Type. |
CarbonDioxide FlareGas IdealGas IncompressibleLiquid IsomericHydrogen Steam Compositional — All methods |
|
FluidType.PMax |
The maximum pressure that AVEVA Process Simulation allows for a converged simulation that uses this Fluid Type. |
CarbonDioxide FlareGas IdealGas IncompressibleLiquid IsomericHydrogen Steam Compositional — All methods |
|
FluidType.Temperature |
The temperature that AVEVA Process Simulation use to initially characterize the Fluid Type. |
All Thermo Types |
|
FluidType.TMin |
The minimum temperature that AVEVA Process Simulation allows for a converged simulation that uses this Fluid Type. |
CarbonDioxide FlareGas IdealGas IncompressibleLiquid IsomericHydrogen Steam Compositional — All methods |
|
FluidType.TMax |
The maximum temperature that AVEVA Process Simulation allows for a converged simulation that uses this Fluid Type. |
CarbonDioxide FlareGas IdealGas IncompressibleLiquid IsomericHydrogen Steam Compositional — All methods |
|
FluidType.MW |
The bulk molecular weight for non-compositional Fluid Type. |
FlareGas IdealGas IncompressibleLiquid |
|
FluidType.MW |
An array of molecular weights, one for each component in the compositional Fluid Type. |
IsomericHydrogen Compositional — All methods |
|
FluidType.R |
The bulk density of the Fluid Type. |
IncompressibleLiquid |
|
FluidType.CpCv |
The bulk heat capacity ratio of the Fluid Type. |
FlareGas |
|
FluidType.Cp |
The bulk heat capacity of the Fluid Type. |
IdealGas IncompressibleLiquid |
|
FluidType.T0 |
The reference temperature of the Fluid Type. |
IdealGas IncompressibleLiquid |
|
FluidType.P0 |
The reference pressure of the Fluid Type. |
IdealGas |
|
FluidType.beta |
The compressibility of the Fluid Type. |
IncompressibleLiquid |
|
FluidType.mu |
The specified viscosity of the Fluid Type. AVEVA Process Simulation uses this viscosity only when you select Constant viscosity for the Fluid Type. |
IncompressibleLiquid |
|
FluidType.mu0 |
The reference viscosity of the Fluid Type. |
IdealGas |
|
FluidType.muCorr |
The selection status of the Viscosity corrleation (Pa-s): option for the Fluid Type. |
IncompressibleLiquid |
|
FluidType.muFixed |
The selection status of the Constant viscosity option for the Fluid Type. |
IncompressibleLiquid |
|
FluidType.muSwitch |
The selection status of the Use Sutherland's equation checkbox for the Fluid Type. |
IdealGas |
|
FluidType.muA |
The A coefficient for the viscosity correlation for the Fluid Type. AVEVA Process Simulation uses this coefficient only when you select Viscosity correlation (Pa-s): for the Fluid Type. |
IncompressibleLiquid |
|
FluidType.muB |
The B coefficient for the viscosity correlation for the Fluid Type. AVEVA Process Simulation uses this coefficient only when you select Viscosity correlation (Pa-s): for the Fluid Type. |
IncompressibleLiquid |
|
FluidType.muC |
The C coefficient for the viscosity correlation for the Fluid Type. AVEVA Process Simulation uses this coefficient only when you select Viscosity correlation (Pa-s): for the Fluid Type. |
IncompressibleLiquid |
|
FluidType.muD |
The D coefficient for the viscosity correlation for the Fluid Type. AVEVA Process Simulation uses this coefficient only when you select Viscosity correlation (Pa-s): for the Fluid Type. |
IncompressibleLiquid |
|
FluidType.muT |
The reference temperature that AVEVA Process Simulation uses in Sutherland's equation to calculate the viscosity of the Fluid Type. |
IdealGas |
|
FluidType.muS |
The Sutherland's constant for the Fluid Type. AVEVA Process Simulation uses this constant in Sutherland's equation to calculate the viscosity of the Fluid Type. |
IdealGas |
|
FluidType.System |
The thermodynamic method that AVEVA Process Simulation uses in the thermodynamic calculations for the Fluid Type. |
Compositional — All methods |
|
FluidType.Phases |
The phases that are present in the Fluid Type. |
Compositional — All methods |
|
FluidType.CalcWarning |
The selection status of the Report Thermodynamic Calculation Warnings checkbox for the Fluid Type. |
Compositional — All methods |
|
FluidType.LiquidDensity |
The method that AVEVA Process Simulation uses to calculate the liquid density of the Fluid Type. You must select one of the following options in the Phases list to access this parameter:
|
Compositional — All methods |
|
FluidType.CompList |
An array of all the components in the Fluid Type. |
IsomericHydrogen Compositional — All methods |
|
FluidType.Henry |
An array of all the components treated as Henry's solutes in the Fluid Type. |
Compositional — Dortmund UNIFAC Compositional — Non-Random Two-Liquid (NRTL) Compositional — Universal Quasi-Chemical (UNIQUAC) Compositional — Wilson |
|
FluidType.Ions |
An array of all the ionic components in the Fluid Type. |
IsomericHydrogen Compositional — All methods |
|
FluidType.Solids |
An array of all the components treated as solids in the Fluid Type. |
IsomericHydrogen Compositional — All methods |
|
FluidType.Solvents |
An array of all the components treated as Henry's solvents in the Fluid Type. |
IsomericHydrogen Compositional — All methods |
|
FluidType.Composition |
An array of the initial compositions for each component in the Fluid Type. The values in this array correspond to the values in the Fluid Editor, in the Component List section, in the Composition column. Typically, you use this array to initialize the values of an array variable dimensioned over the components in the Fluid Type. |
IsomericHydrogen Compositional — All methods |
|
FluidType.AlphaSelection |
The type of alpha correlation that AVEVA Process Simulation uses in the thermodynamic calculations for the Fluid Type. |
Compositional — Peng-Robinson (PR) Compositional — PR-Modified Panag.-Reid (PRM) Compositional — Soave-Redlich-Kwong (SRK) Compositional — SRK-Modified Panag.-Reid (SRKM) |
|
FluidType.Azeo |
The selection status of the Use Azeotrope Fill checkbox for the Fluid Type. |
Compositional — Non-Random Two-Liquid (NRTL) Compositional — Universal Quasi-Chemical (UNIQUAC) Compositional — Wilson |
|
FluidType.Henrys |
The selection status of the Use Henry's Law checkbox for the Fluid Type. |
Compositional — Dortmund UNIFAC Compositional — Non-Random Two-Liquid (NRTL) Compositional — Universal Quasi-Chemical (UNIQUAC) Compositional — Wilson |
|
FluidType.HRoute |
The enthalpy calculation route that AVEVA Process Simulation uses in the enthalpy calculations for the Fluid Type. |
Compositional — Dortmund UNIFAC Compositional — Non-Random Two-Liquid (NRTL) Compositional — Regular Solution Model Compositional — Universal Quasi-Chemical (UNIQUAC) Compositional — Wilson |
|
FluidType.Hmix |
The selection status of the Include Heat of Mixing (Excess Enthalpy) in Liquid Enthalpy Calculations checkbox for the Fluid Type. |
Compositional — Dortmund UNIFAC Compositional — Non-Random Two-Liquid (NRTL) Compositional — Regular Solution Model Compositional — Universal Quasi-Chemical (UNIQUAC) Compositional — Wilson |
|
FluidType.Poynting |
The selection status of the Use Poynting Correction checkbox for the Fluid Type. |
Compositional — Dortmund UNIFAC Compositional — Non-Random Two-Liquid (NRTL) Compositional — Regular Solution Model Compositional — Universal Quasi-Chemical (UNIQUAC) Compositional — Wilson |
|
FluidType.Activity |
The selection status of the Include Activity Coefficient Variables in Fluid State checkbox for the Fluid Type. You must select one of the following options in the Phases list to access this parameter:
|
Compositional — Dortmund UNIFAC Compositional — Non-Random Two-Liquid (NRTL) Compositional — Universal Quasi-Chemical (UNIQUAC) Compositional — Wilson |
|
FluidType.VaporPhaseMethod |
The vapor phase equilibrium method that the Fluid Type uses for thermodynamic calculations. You must select one of the following options in the Phases list for the Fluid Type to access this parameter:
|
Compositional — Dortmund UNIFAC Compositional — Non-Random Two-Liquid (NRTL) Compositional — Universal Quasi-Chemical (UNIQUAC) Compositional — Wilson |
|
FluidType.GammaOil |
The specific gravity of the liquid phase for the Fluid Type. |
BlackOil |
|
FluidType.GammaWater |
The reference specific gravity of water in the liquid phase for the Fluid Type. |
BlackOil |
|
FluidType.GammaGas |
The specific gravity of the vapor phase for the Fluid Type. |
BlackOil |
|
FluidType.FracCO2 |
The composition of carbon dioxide (CO2) impurity in the Fluid Type. |
BlackOil |
|
FluidType.FracH2S |
The composition of hydrogen sulfide (H2S) impurity in the Fluid Type. |
BlackOil |
|
FluidType.StdPres |
The standard (or reference) pressure that AVEVA Process Simulation uses for the thermodynamic calculations for the Fluid Type. |
BlackOil |
|
FluidType.StdTemp |
The standard (or reference) temperature that AVEVA Process Simulation uses for the thermodynamic calculations for the Fluid Type. |
BlackOil |
|
FluidType.GOR |
The volumetric gas-to-oil ratio of the Fluid Type. |
BlackOil |
|
FluidType.WCut |
The volumetric fraction of water compared to the total liquid volume of the Fluid Type. |
BlackOil |
|
FluidType.ReactionModel |
The reaction submodel that the Fluid Type uses to define and calculate reactions. |
All Thermo Types |
|
FluidType.StateModel |
The Fluid State submodel that the Fluid Type uses to calculate fluid properties. |
All Thermo Types |