modelPartialConductionElementHEX

Parent for CEs for discretizedHEX

Extends from Processes.Internal.PartialConductionElement (Partial model of quasi-stationary mass and heat transfer).

Parameters

TypeNameDefaultDescription
StringinstanceName (from DropOfCommonsPlus)getInstanceName()Instance name
SI.VolumeV (from PartialConductionElement)0.001Volume
SI.AreaA1Heat transfer area
IntegernCellsParallel1Number of parallel discretization elements
SI.CoefficientOfHeatTransferU_min1Minimum thermal transmittance (for temperature adaption at zero massflow)
Layout
BooleandisplayInstanceName (from DropOfCommonsPlus)dropOfCommons.displayInstanceNames= true, if instance name is displayed
BooleandisplayParameters (from DropOfCommonsPlus)dropOfCommons.displayParameters= true, if displaying parameters is enabled
Advanced
BooleanconsiderInertance (from SISOFlow)dropOfCommons.considerInertance=true, if transient momentum (inertance) term is considered; disable only for advanced use
Utilities.Units.InertanceL (from SISOFlow)dropOfCommons.LInertance
StateSelectm_flowStateSelect (from SISOFlow)StateSelect.defaultState selection for mass flow rate
Booleanclip_p_out (from SISOFlow)= false, if dr_corr=0 (correction of inertial pressure difference)
Medium.AbsolutePressurep_min (from SISOFlow)dropOfCommons.p_minMinimum steady-state output pressure
Medium.Densityrho_min (from PartialConductionElement)dropOfCommons.rho_minMinimal density
BooleanneglectPressureChanges (from PartialConductionElement)true=true, if pressure changes are neglected
SI.MassFlowRatem_flow_assert (from PartialConductionElement)-dropOfCommons.m_flow_regAssertion threshold for negative massflows
Initialization › Mass flow rate
InitializationMethodsinitM_flow (from SISOFlow)ThermofluidStream.Utilities.Types.InitializationMethods.noneInitialization method for mass flow rate
SI.MassFlowRatem_flow_0 (from SISOFlow)0Initial value for mass flow rate
Utilities.Units.MassFlowAccelerationm_acceleration_0 (from SISOFlow)0Initial value for derivative of mass flow rate
Initialization › Specific enthalpy
Internal.InitializationMethodsCondElementinit (from PartialConductionElement)ThermofluidStream.Processes.Internal.InitializationMethodsCondElement.inletInitialization for specific enthalpy
Medium.TemperatureT_0 (from PartialConductionElement)Medium.T_defaultInitial Temperature
Medium.SpecificEnthalpyh_0 (from PartialConductionElement)Medium.h_defaultInitial specific enthalpy
Advanced › Global energy conservation
Booleanenforce_global_energy_conservation (from PartialConductionElement)false= true, if global conservation of energy is enforced
Advanced › global energy conservation
SI.TimeT_e (from PartialConductionElement)100Time constant for global conservation of energy

Connectors

TypeNameDefaultDescription
Inletinlet (from SISOFlow)
Outletoutlet (from SISOFlow)
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_aheatPort (from PartialConductionElement)

Components

TypeNameDefaultDescription
SI.MassFlowRatem_flow (from SISOFlow)inlet.m_flowMass flow rate
SI.Pressuredr_corr (from SISOFlow)Correction of inertial pressure difference
SI.Pressuredp (from SISOFlow)Pressure difference
Medium.AbsolutePressurep_in (from SISOFlow)Medium.pressure(inlet.state)Inlet pressure
Medium.SpecificEnthalpyh_in (from SISOFlow)Medium.specificEnthalpy(inlet.state)Inlet specific enthalpy
Medium.MassFraction[Medium.nXi]Xi_in (from SISOFlow)Medium.massFraction(inlet.state)Inlet mass fractions
Medium.AbsolutePressurep_out (from SISOFlow)Outlet pressure
Medium.SpecificEnthalpyh_out (from SISOFlow)Outlet specific enthalpy
Medium.MassFraction[Medium.nXi]Xi_out (from SISOFlow)Outlet mass fractions
Medium.SpecificEnthalpyh (from PartialConductionElement)Volume? specific enthalpy
Medium.ThermodynamicStatestate (from PartialConductionElement)Medium.setState_phX(p_in, h, Xi_in)Volume thermodynamic state
Medium.TemperatureT (from PartialConductionElement)Medium.temperature(state)Volume temperature
SI.ThermalConductancek (from PartialConductionElement)Thermal conductance
SI.EnergydeltaE_system (from PartialConductionElement)Energy difference between m_flow*(h_in-h_out) and Q_flow
SI.MassM (from PartialConductionElement)Mass (of the volume)
SI.CoefficientOfHeatTransferUThermal transmittance