modelVolumeVLEGas_L3

A volume element balancing liquid and gas phase with n inlet and outlet ports

Extends from ClaRa.Basics.Icons.Volume2Zones, ClaRa.Basics.Icons.ComplexityLevel (Displays the complexity level inside model icon ).

Information

For detailed model documentation please consult the html-documentation shipped with ClaRa.

Authorship and Copyright Statement for original (initial) Contribution

Author:

References:

For references please consult the html-documentation shipped with ClaRa.

Remarks:

This component was developed by ClaRa development team under the 3-clause BSD License.

Acknowledgements:

ClaRa originated from the collaborative research projects DYNCAP and DYNSTART. Both research projects were supported by the German Federal Ministry for Economic Affairs and Energy (FKZ 03ET2009 and FKZ 03ET7060).

CLA:

The author(s) have agreed to ClaRa CLA, version 1.0. See https://claralib.com/pdf/CLA.pdf

By agreeing to ClaRa CLA, version 1.0 the author has granted the ClaRa development team a permanent right to use and modify his initial contribution as well as to publish it or its modified versions under the 3-clause BSD License.

The ClaRa development team consists of the following partners:

TLK-Thermo GmbH (Braunschweig, Germany)

XRG Simulation GmbH (Hamburg, Germany).

Parameters

Type	Name	Default	Description
ClaRa.Basics.Units.CoefficientOfHeatTransfer	alpha_ph	50000	\|Phase Border\|HTC of the phase border
ClaRa.Basics.Units.Area	A_heat_ph	geo.A_hor*100	\|Phase Border\|Heat transfer area at phase border
ClaRa.Basics.Units.DensityMassSpecific	rho_liq_nom	TILMedia.VLEFluid.MixtureCompatible.Functions.bubbleDensity_pxi(medium, p_nom)	Nominal density
ClaRa.Basics.Units.DensityMassSpecific	rho_gas_nom	1.2	Nominal density
Boolean	showExpertSummary	simCenter.showExpertSummary	\|Summary and Visualisation\|\|True, if expert summary should be applied
Fundamental Definitions
TILMedia.VLEFluid.Types.BaseVLEFluid	medium	simCenter.fluid1	Medium in the component
TILMedia.Gas.Types.BaseGas	gasType	simCenter.flueGasModel	Gas medium
Initialisation
Boolean	useHomotopy	simCenter.useHomotopy	True, if homotopy method is used during initialisation
ClaRa.Basics.Units.EnthalpyMassSpecific	h_liq_start	-10 + TILMedia.VLEFluid.MixtureCompatible.Functions.bubbleSpecificEnthalpy_pxi(medium, p_start)	Start value of sytsem specific enthalpy
ClaRa.Basics.Units.Temperature	T_gas_start	293.15	Start value of sgas zone's temperature
ClaRa.Basics.Units.EnthalpyMassSpecific	h_gas_start	TILMedia.Gas.Functions.specificEnthalpy_pTxi(gasType, p_start, T_gas_start, xi_start)	Start value of gas zone's specific enthalpy
ClaRa.Basics.Units.Pressure	p_start	1e5	Start value of sytsem pressure
ClaRa.Basics.Units.MassFraction[gasType.nc - 1]	xi_start	gasType.xi_default	Initial gas mass fraction
String	initType	"No init, use start values as guess"	Type of initialisation
Real	level_rel_start	0.5	Initial value for relative level
General › Nominal Values
ClaRa.Basics.Units.MassFlowRate	m_flow_nom	10	Nominal mass flow rates at inlet
Nominal Values
ClaRa.Basics.Units.Pressure	p_nom	1e5	Nominal pressure
Geometry
ClaRa.Basics.Units.Length	radius_flange	0.05	Flange radius
Integer	heatSurfaceAlloc	1	Heat transfer area to be considered
Shape interpretation
Modelica.Blocks.Types.Smoothness	smoothness	Modelica.Blocks.Types.Smoothness.LinearSegments	Smoothness of table interpolation

Connectors

Type	Name	Description
ClaRa.Basics.Interfaces.FluidPortIn[geo.N_inlet]	inlet	Inlet port
ClaRa.Basics.Interfaces.FluidPortOut[geo.N_outlet]	outlet	Outlet port
ClaRa.Basics.Interfaces.HeatPort_a	heat
ClaRa.Basics.Interfaces.GasPortIn	vent

Components

Type	Name	Default	Description
String	complexity (from ComplexityLevel)	"??"
ClaRa.SimCenter	simCenter
ClaRa.Basics.Units.EnthalpyMassSpecific[geo.N_outlet]	h_out
ClaRa.Basics.Units.EnthalpyMassSpecific[geo.N_inlet]	h_in
ClaRa.Basics.Units.MassFraction[geo.N_outlet,medium.nc - 1]	xi_out
ClaRa.Basics.Units.MassFraction[geo.N_inlet,medium.nc - 1]	xi_in
ClaRa.Basics.Units.EnthalpyMassSpecific	h_liq		Specific enthalpy of liquid phase
ClaRa.Basics.Units.EnthalpyMassSpecific	h_gas		Specific enthalpy of vapour phase
Real	drho_liqdt
Real	drho_gasdt
ClaRa.Basics.Units.Volume	volume_liq		Liquid volume
ClaRa.Basics.Units.Volume	volume_gas		Vapour volume
ClaRa.Basics.Units.HeatFlowRate	Q_flow_phases		Heat flow between phases
ClaRa.Basics.Units.Mass	mass_liq		Liquid mass
ClaRa.Basics.Units.Mass	mass_gas		Vapour mass
ClaRa.Basics.Units.Pressure	p		System pressure
ClaRa.Basics.Units.MassFraction[gasType.nc - 1]	xi_gas		Gas mass fractions
ClaRa.Basics.Units.MassFraction[medium.nc - 1]	xi_liq		Liquid mass fractions
ClaRa.Basics.Units.Length	level_abs
ClaRa.Basics.Units.Area	A_hor_act		Actual horizontal surface size
Real	level_rel
ClaRa.Basics.Units.PressureDifference[geo.N_inlet]	Delta_p_geo_in
ClaRa.Basics.Units.PressureDifference[geo.N_outlet]	Delta_p_geo_out
TILMedia.VLEFluid.MixtureCompatible.VLEFluid_ph[geo.N_inlet]	fluidIn
TILMedia.VLEFluid.MixtureCompatible.VLEFluid_ph[geo.N_outlet]	fluidOut
HeatTransfer	heattransfer
Geometry	geo
PressureLoss	pressureLoss
Summary	summary
TILMedia.Gas.Gas_pT	ventIn

Name	Description
Outline
Summary
ICom
HeatTransfer
PressureLoss
Geometry

Revisions

For revisions please consult the html-documentation shipped with ClaRa.