.ThermoPower.Water

Information

All models use the StandardWater medium model by default, which is in turn set to Modelica.Media.Water.StandardWater at the library level. It is of course possible to redeclare the medium model to any model extending Modelica.Media.Interfaces.PartialMedium (or PartialTwoPhaseMedium for 2-phase models). This can be done by directly setting Medium in the parameter dialog, or through a local package definition, as shown e.g. in Test.TestMixerSlowFast. The latter solution allows to easily replace the medium model for an entire set of components.

All models with dynamic equations provide initialisation support. Set the initOpt parameter to the appropriate value:

• Choices.Init.Options.noInit: no initialisation
• Choices.Init.Options.steadyState: full steady-state initialisation
• Choices.Init.Options.steadyStateNoP: steady-state initialisation (except pressure)
• Choices.Init.Options.steadyStateNoT: steady-state initialisation (except temperature)

Contents

Name	Description
Flange	Flange connector for water/steam flows
FlangeA	A-type flange connector for water/steam flows
FlangeB	B-type flange connector for water/steam flows
StandardWater
SourcePressure	Pressure source for water/steam flows
SinkPressure	Pressure sink for water/steam flows
SourceMassFlow	Flowrate source for water/steam flows
SinkMassFlow	Flowrate sink for water/steam flows
ThroughMassFlow	Prescribes the flow rate across the component
PressDropLin	Linear pressure drop for water/steam flows
PressDrop	Pressure drop for water/steam flows
Header	Header with metal walls for water/steam flows
Mixer	Mixer with metal walls for water/steam flows
Tank	Open tank with free surface
Flow1DFV	1-dimensional fluid flow model for water/steam (finite volumes)
Flow1DFV2w	Same as Flow1DFV with two walls and heat transfer models
Flow1DFV2ph	1-dimensional fluid flow model for water/steam (finite volumes, 2-phase)
Flow1DFV2ph2w	Same as Flow1DFV with two walls and heat transfer models
Flow1DFEM	1-dimensional fluid flow model for water/steam (finite elements)
Flow1DFEM2ph	1-dimensional fluid flow model for water/steam (finite elements)
FlowJoin	Joins two water/steam flows
FlowSplit	Splits a flow in two
SensT	Temperature sensor for water-steam
SensT1	Temperature sensor for water/steam flows, single port
SensW	Mass Flowrate sensor for water/steam
SensP	Pressure sensor for water/steam flows
Accumulator	Water-Gas Accumulator
Drum	Drum for circulation boilers
DrumEquilibrium
ValveLin	Valve for water/steam flows with linear pressure drop
ValveLiq	Valve for liquid water flow
ValveVap	Valve for steam flow
ValveLiqChoked	Valve for liquid water flow, allows choked flow conditions
Pump	Centrifugal pump with ideally controlled speed
PumpNPSH
PumpMech	Centrifugal pump with mechanical connector for the shaft
SprayCondenser	Model of a spray condenser assuming themodynamic equilibrium between the phases
BarometricCondenser	Model of a barometric condenser including the barometric leg
CoolingTower	Cooling tower with variable speed fan
ExpansionTankIdeal	Ideal expansion tank with prescribed pressure
f_chen	Chen's correlation for two-phase flow in a tube
f_colebrook	Fanning friction factor for water/steam flows
f_colebrook_2ph	Fanning friction factor for a two phase water/steam flow
f_dittus_boelter	Dittus-Boelter correlation for one-phase flow in a tube
SteamTurbineStodola	Steam turbine: Stodola's ellipse law and constant isentropic efficiency
SteamTurbineUnit	Simplified HP+LP turbine unit for steam flows
Utility	Utility models
BaseClasses	Contains partial models
Drum2States
Flow1D	1-dimensional fluid flow model for water/steam (finite volumes)
Flow1DDB	1-dimensional fluid flow model for water or steam flow (finite volumes, Dittus-Boelter heat transfer)
Flow1D2ph	1-dimensional fluid flow model for water/steam (finite volumes, 2-phase)
Flow1D2phDB	1-dimensional fluid flow model for 2-phase boiling flow (finite volumes, 2-phase, computation of heat transfer coeff.)
Flow1D2phChen	1-dimensional fluid flow model for 2-phase boiling flow (finite volumes, 2-phase, Chen correlation)
Flow1Dfem	1-dimensional fluid flow model for water/steam (finite elements)
Flow1Dfem2ph	1-dimensional fluid flow model for water/steam (finite elements)
SourceP	Pressure source for water/steam flows
SinkP	Pressure sink for water/steam flows
SourceW	Flowrate source for water/steam flows
SinkW	Flowrate sink for water/steam flows
ThroughW	Prescribes the flow rate across the component