modelTwoPhaseVolume

TwoPhaseVolume
Diagram of TwoPhaseVolume

Information

## Copyright © EDF 2002 - 2026   
## ThermoSysPro Version 4.2

Parameters

TypeNameDefaultDescription
Units.SI.VolumeV1Cavity volume
Units.SI.AreaA1Cavity cross-sectional area
RealVf00.5Fraction of initial water volume in the drum (active if steady_state=false)
Units.SI.AbsolutePressureP00.1e5Fluid initial pressure (active if steady_state=false)
RealCcond0.01Condensation coefficient
RealCevap0.09Evaporation coefficient
RealXlo0.0025Vapor mass fraction in the liquid phase from which the liquid starts to evaporate
RealXvo0.9975Vapor mass fraction in the gas phase from which the liquid starts to condensate
Units.SI.AreaAvlAHeat exchange surface between the liquid and gas phases
RealKvl1000Heat exchange coefficient between the liquid and gas phases
Booleansteady_statetruetrue: start from steady state - false: start from (P0, Vl0)

Connectors

TypeNameDefaultDescription
Connectors.FluidInletCvSteam input
Connectors.FluidOutletClWater output
ThermoSysPro.Thermal.Connectors.ThermalPortCth
ThermoSysPro.InstrumentationAndControl.Connectors.OutputRealyLevelWater level
Connectors.FluidInletCeWater input

Components

TypeNameDefaultDescription
Units.SI.AbsolutePressurePFluid average pressure
Units.SI.AbsolutePressurePfondFluid pressure at the bottom of the cavity
Units.SI.SpecificEnthalpyhlLiquid phase spepcific enthalpy
Units.SI.SpecificEnthalpyhvGas phase spepcific enthalpy
Units.SI.TemperatureTlLiquid phase temperature
Units.SI.TemperatureTvGas phase temperature
Units.SI.VolumeVlLiquid phase volume
Units.SI.VolumeVvGas phase volume
RealxlMass vapor fraction in the liquid phase
RealxvMass vapor fraction in the gas phase
Units.SI.DensityrholLiquid phase density
Units.SI.DensityrhovGas phase density
Units.SI.MassFlowRateBQlRight hand side of the mass balance equation of the liquid phase
Units.SI.MassFlowRateBQvRight hand side of the mass balance equation of the gas phaser
Units.SI.PowerBHlRight hand side of the energy balance equation of the liquid phase
Units.SI.PowerBHvRight hand side of the energy balance equation of the gas phase
Units.SI.MassFlowRateQcondCondensation mass flow rate from the vapor phase
Units.SI.MassFlowRateQevapEvaporation mass flow rate from the liquid phase
Units.SI.PowerWvlThermal power exchanged from the gas phase to the liquid phase
ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_phprolPropriétés de l'eau dans le ballon
ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_phprovPropriétés de la vapeur dans le ballon
ThermoSysPro.Properties.WaterSteam.Common.PropThermoSatlsat
ThermoSysPro.Properties.WaterSteam.Common.PropThermoSatvsat
ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_phprod

Revisions

Authors  

Daniel Bouskela  
Baligh El Hefni