modelTwoPhaseVolume

TwoPhaseVolume

Extends from ThermoSysPro.Fluid.Interfaces.PropertyInterfaces.WaterSteamFluidTypeParameterInterface (Interface to display the water/steam fluid type after parametrization), ThermoSysPro.Fluid.Interfaces.IconColors (Colors of the static, singular and dynamic model icons).

Information

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

Parameters

Type	Name	Default	Description
Units.SI.Volume	V	1	Cavity volume
Units.SI.Area	A	1	Cavity cross-sectional area
Real	Ccond	0.01	Condensation coefficient
Real	Cevap	0.09	Evaporation coefficient
Real	Xlo	0.0025	Vapor mass fraction in the liquid phase from which the liquid starts to evaporate
Real	Xvo	0.9975	Vapor mass fraction in the gas phase from which the liquid starts to condensate
Units.SI.Area	Avl	A	Heat exchange surface between the liquid and gas phases
Real	Kvl	1000	Heat exchange coefficient between the liquid and gas phases
Boolean	dynamic_energy_balance	true	true: dynamic energy balance equation - false: static energy balance equation
Boolean	steady_state	true	true: start from steady state - false: start from (Vf0, P0)
Real	Vf0	0.5	Fraction of initial water volume in the drum (active if steady_state=false)
Units.SI.AbsolutePressure	P0	0.1e5	Fluid initial pressure (active if steady_state=false)
Boolean	continuous_flow_reversal	false	true: continuous flow reversal - false: discontinuous flow reversal
Boolean	diffusion	false	true: energy balance equation with diffusion - false: energy balance equation without diffusion
Fluid › Fluid properties
WaterSteamFluidType	wsftype (from WaterSteamFluidTypeParameterInterface)	WaterSteamFluidType.WaterSteam	Water/steam fluid type

Connectors

Type	Name	Description
Interfaces.Connectors.FluidInlet	Cv	Steam input
Interfaces.Connectors.FluidOutlet	Cl	Water output
ThermoSysPro.Thermal.Connectors.ThermalPort	Cth
ThermoSysPro.InstrumentationAndControl.Connectors.OutputReal	yLevel	Water level
Interfaces.Connectors.FluidInlet	Ce	Water input

Components

Type	Name	Description
Units.SI.AbsolutePressure	P	Fluid average pressure
Units.SI.AbsolutePressure	Pfond	Fluid pressure at the bottom of the cavity
Units.SI.SpecificEnthalpy	hl	Liquid phase spepcific enthalpy
Units.SI.SpecificEnthalpy	hv	Gas phase spepcific enthalpy
Units.SI.Temperature	Tl	Liquid phase temperature
Units.SI.Temperature	Tv	Gas phase temperature
Units.SI.Volume	Vl	Liquid phase volume
Units.SI.Volume	Vv	Gas phase volume
Real	xl	Mass vapor fraction in the liquid phase
Real	xv	Mass vapor fraction in the gas phase
Units.SI.Density	rhol	Liquid phase density
Units.SI.Density	rhov	Gas phase density
Units.SI.MassFlowRate	BQl	Right hand side of the mass balance equation of the liquid phase
Units.SI.MassFlowRate	BQv	Right hand side of the mass balance equation of the gas phaser
Units.SI.Power	BHl	Right hand side of the energy balance equation of the liquid phase
Units.SI.Power	BHv	Right hand side of the energy balance equation of the gas phase
Units.SI.MassFlowRate	Qcond	Condensation mass flow rate from the vapor phase
Units.SI.MassFlowRate	Qevap	Evaporation mass flow rate from the liquid phase
Units.SI.Power	Wvl	Thermal power exchanged from the gas phase to the liquid phase
FluidType[4]	fluids	Fluids mixing in volume
Units.SI.Power	Je	Thermal power diffusion from inlet Ce
Units.SI.Power	Jv	Thermal power diffusion from inlet Cv
Units.SI.Power	Jl	Thermal power diffusion from outlet Cl
Units.SI.Power	Jt_l	Total thermal power diffusion for the liquid
Units.SI.Power	Jt_v	Total thermal power diffusion for the vapor
Units.SI.MassFlowRate	gamma_e	Diffusion conductance for inlet Ce
Units.SI.MassFlowRate	gamma_v	Diffusion conductance for inlet Cv
Units.SI.MassFlowRate	gamma_l	Diffusion conductance for outlet Cl
Real	re	Value of r(Q/gamma) for inlet Ce
Real	rv	Value of r(Q/gamma) for inlet Cv
Real	rl	Value of r(Q/gamma) for outlet Cl
ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_ph	prol	Propri鴩s de l'eau dans le ballon
ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_ph	prov	Propri鴩s de la vapeur dans le ballon
ThermoSysPro.Properties.WaterSteam.Common.PropThermoSat	lsat
ThermoSysPro.Properties.WaterSteam.Common.PropThermoSat	vsat
ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_ph	prod

Revisions

Authors  

Daniel Bouskela  
Baligh El Hefni