modelVolumeVLE_3_TwoZones
A volume element balancing liquid and vapour phase
Extends from ClaRa.Basics.Icons.Volume2Zones, ClaRa.Basics.Icons.ComplexityLevel (Displays the complexity level inside model icon ), ClaRa_Obsolete.Basics.Icons.Obsolete_v1_1 (This model will be not longer supported than Version 1.3!).
Information
Model description: A non-adiabatic control volume without friction losses taking the geostatic pressure difference into account
Contact: Friedrich Gottelt, Johannes Brunnemann, XRG Simulation GmbH
- This model uses TILMedia
- This model is derived from ThermoPower.Water.Header
- Flow reversal is supported
- Homotopy initialisation is supported
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.Basics.Units.Time | Tau_cond | 10 | |Phase Border|Time constant of condensation |
| ClaRa.Basics.Units.Time | Tau_evap | Tau_cond/1000 | |Phase Border|Time constant of evaporation |
| 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 |
| Real | expHT_phases | 0 | |Phase Border|Exponent for volume dependency on inter phase HT |
| Modelica.Units.SI.Density | rho_liq_nom | TILMedia.VLEFluid.Functions.bubbleDensity_pxi(medium, p_nom) | Nominal density |
| Modelica.Units.SI.Density | rho_vap_nom | TILMedia.VLEFluid.Functions.dewDensity_pxi(medium, p_nom) | Nominal density |
| Boolean | showExpertSummary | false | |Summary and Visualisation||True, if expert summary should be applied |
| Integer | heatSurfaceAlloc | 1 | Heat transfer area to be considered |
| Fundamental Definitions | |||
| TILMedia.VLEFluid.Types.BaseVLEFluid | medium | simCenter.fluid1 | Medium in the component |
| Initialisation | |||
| Boolean | useHomotopy | simCenter.useHomotopy | True, if homotopy method is used during initialisation |
| ClaRa.Basics.Units.EnthalpyMassSpecific | h_liq_start | -10 + TILMedia.VLEFluid.Functions.bubbleSpecificEnthalpy_pxi(medium, p_start) | Start value of sytsem specific enthalpy |
| ClaRa.Basics.Units.EnthalpyMassSpecific | h_vap_start | +10 + TILMedia.VLEFluid.Functions.dewSpecificEnthalpy_pxi(medium, p_start) | Start value of sytsem specific enthalpy |
| Modelica.Units.SI.Pressure | p_start | 1e5 | Start value of sytsem pressure |
| Real | level_rel_start | 0.5 | Start value for relative filling level |
| ClaRa.Basics.Choices.Init | initType | ClaRa.Basics.Choices.Init.noInit | Type of initialisation |
| General › Nominal Values | |||
| Modelica.Units.SI.MassFlowRate | m_flow_nom | 10 | Nominal mass flow rates at inlet |
| Nominal Values | |||
| Modelica.Units.SI.Pressure | p_nom | 1e5 | Nominal pressure |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.Basics.Interfaces.FluidPortIn | inlet | Inlet port | |
| ClaRa.Basics.Interfaces.FluidPortOut | outlet | Outlet port | |
| ClaRa.Basics.Interfaces.HeatPort_a | heat |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| String | complexity (from ComplexityLevel) | "??" | |
| ClaRa.SimCenter | simCenter | ||
| ClaRa.Basics.Units.EnthalpyMassSpecific | h_liq | Specific enthalpy of liquid phase | |
| ClaRa.Basics.Units.EnthalpyMassSpecific | h_vap | Specific enthalpy of vapour phase | |
| Real | drho_liqdt | ||
| Real | drho_vapdt | ||
| ClaRa.Basics.Units.Volume | volume_liq | Liquid volume | |
| ClaRa.Basics.Units.Volume | volume_vap | Vapour volume | |
| ClaRa.Basics.Units.MassFlowRate | m_flow_cond | Condensing mass flow | |
| ClaRa.Basics.Units.MassFlowRate | m_flow_evap | Evaporating mass flow | |
| ClaRa.Basics.Units.HeatFlowRate | Q_flow_phases | Heat flow between phases | |
| ClaRa.Basics.Units.Mass | mass_liq | Liquid mass | |
| ClaRa.Basics.Units.Mass | mass_vap | Vapour mass | |
| ClaRa.Basics.Units.Pressure | p | System pressure | |
| ClaRa.Basics.Units.EnthalpyFlowRate | H_flow_inliq | Enthalpy flow rate passing from inlet to liquid zone and vice versa | |
| ClaRa.Basics.Units.EnthalpyFlowRate | H_flow_invap | Enthalpy flow rate passing from inlet to vapour zone and vice versa | |
| ClaRa.Basics.Units.EnthalpyFlowRate | H_flow_outliq | Enthalpy flow rate passing from inlet to liquid zone and vice versa | |
| ClaRa.Basics.Units.EnthalpyFlowRate | H_flow_outvap | Enthalpy flow rate passing from outlet to vapour zone and vice versa | |
| TILMedia.VLEFluid.VLEFluid_ph | fluidIn | ||
| TILMedia.VLEFluid.VLEFluid_ph | fluidOut | ||
| HeatTransfer | heattransfer | ||
| Geometry | geo | ||
| PhaseBorder | phaseBorder | ||
| PressureLoss | pressureLoss | ||
| Summary | summary |
Contents
| Name | Description |
|---|---|
 Outline | |
 Summary | |
 HeatTransfer | |
 PhaseBorder | |
 PressureLoss | |
 Geometry |