modelHEXvle2gas_L3_1ph_BU_simple
Extends from ClaRa.Basics.Icons.HEX01, 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:
DYNCAP/DYNSTART development team, Copyright © 2011-2024.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.MassFraction[medium1.nc - 1] | xi_shell_start | medium1.xi_default | |Shell Side|Initialisation|Start value of shell mass fraction |
| Shell Side › Fundamental Definitions | |||
| TILMedia.Gas.Types.BaseGas | medium1 | simCenter.flueGasModel | Medium to be used for gas flow |
| Fundamental Definitions | |||
| Boolean | useHomotopy | simCenter.useHomotopy | True, if homotopy method is used during initialisation |
| Shell Side › Geometry | |||
| ClaRa.Basics.Units.Length | length | 10 | Length of the HEX |
| ClaRa.Basics.Units.Length | height | 3 | Height of HEX |
| ClaRa.Basics.Units.Length | width | 3 | Width of HEX |
| ClaRa.Basics.Units.Length | z_in_shell | height | Inlet position from bottom |
| ClaRa.Basics.Units.Length | z_out_shell | 0.1 | Outlet position from bottom |
| Basics.Choices.GeometryOrientation | flowOrientation | ClaRa.Basics.Choices.GeometryOrientation.vertical | Orientation of shell side flow |
| Integer | tubeOrientation | 0 | Tube orientation |
| ClaRa.Basics.Units.Mass | mass_struc | 0 | Mass of inner structure elements, additional to the tubes itself |
| Shell Side › Nominal Values | |||
| ClaRa.Basics.Units.MassFlowRate | m_nom1 | 10 | Nominal mass flow on shell side |
| ClaRa.Basics.Units.Pressure | p_nom1 | 10 | Nominal pressure on shell side |
| ClaRa.Basics.Units.EnthalpyMassSpecific | h_nom1 | 10 | Nominal specific enthalpy on shell side |
| Shell Side › Initialisation | |||
| ClaRa.Basics.Units.Temperature | T_start_shell | 273.15 + 100 | Start value of system Temperature |
| ClaRa.Basics.Units.Pressure | p_start_shell | 1e5 | Start value of sytsem pressure |
| Integer | initOptionShell | 0 | Type of shell initialisation |
| Tubes › Fundamental Definitions | |||
| TILMedia.VLEFluid.Types.BaseVLEFluid | medium2 | simCenter.fluid1 | Medium to be used for water/steam flow |
| Tubes › Geometry | |||
| ClaRa.Basics.Units.Length | diameter_i | 0.048 | Inner diameter of horizontal tubes |
| ClaRa.Basics.Units.Length | diameter_o | 0.05 | Outer diameter of horizontal tubes |
| Integer | N_tubes | 1000 | Number of horizontal tubes |
| Integer | N_passes | 1 | Number of passes of the internal tubes |
| ClaRa.Basics.Units.Length | z_in_tubes | length/2 | Inlet position from bottom |
| ClaRa.Basics.Units.Length | z_out_tubes | length/2 | Outlet position from bottom |
| Boolean | staggeredAlignment | true | True, if the tubes are aligned staggeredly |
| Basics.Units.Length | Delta_z_par | 1.5*diameter_o | Distance between tubes parallel to flow direction |
| Basics.Units.Length | Delta_z_ort | 1.5*diameter_o | Distance between tubes orthogonal to flow direction |
| Integer | N_rows | integer(ceil(sqrt(N_tubes))*N_passes) | Number of pipe rows in shell flow direction (minimum = N_passes) |
| Real | CF_geo | 1 | Correction coefficient of heat transfer area |
| Tubes › Nominal Values | |||
| ClaRa.Basics.Units.MassFlowRate | m_nom2 | 10 | Nominal mass flow on side 2 |
| ClaRa.Basics.Units.Pressure | p_nom2 | 10 | Nominal pressure on side 2 |
| ClaRa.Basics.Units.EnthalpyMassSpecific | h_nom2 | 10 | Nominal specific enthalpy on side 2 |
| ClaRa.Basics.Units.HeatFlowRate | Q_flow_nom | 1e6 | Nominal heat flow rate |
| Tubes › Initialisation | |||
| ClaRa.Basics.Units.EnthalpyMassSpecific | h_start_tubes | 1e5 | Start value of sytsem specific enthalpy |
| ClaRa.Basics.Units.Pressure | p_start_tubes | 1e5 | Start value of sytsem pressure |
| Integer | initOptionTubes | 0 | Type of initialisation at tube side |
| Tube Wall › Initialisation | |||
| Integer | initOptionWall | 213 | Init Option of Wall |
| Basics.Units.Temperature | T_w_i_start | 293.15 | Initial wall temperature at inner phase |
| Basics.Units.Temperature | T_w_a_start | 293.15 | Initial wall temperature at outer phase |
| Summary and Visualisation | |||
| Boolean | showExpertSummary | simCenter.showExpertSummary | True if expert summary should be applied |
| Boolean | showData | true | True if a data port containing p,T,h,s,m_flow shall be shown, else false |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.Basics.Interfaces.FluidPortIn | In2 | ||
| ClaRa.Basics.Interfaces.FluidPortOut | Out2 | ||
| ClaRa.Basics.Interfaces.GasPortIn | In1 | ||
| ClaRa.Basics.Interfaces.GasPortOut | Out1 | Outlet port | |
| Basics.Interfaces.EyeOut | eye |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| String | complexity (from ComplexityLevel) | "??" | |
| ClaRa.SimCenter | simCenter | ||
| ClaRa.Basics.ControlVolumes.FluidVolumes.VolumeVLE_L2 | tubes | ||
| Basics.ControlVolumes.GasVolumes.VolumeGas_L2 | shell | ||
| Summary | summary | ||
| Basics.ControlVolumes.SolidVolumes.CylindricalThickWall_L4 | wall |
Contents
| Name | Description |
|---|---|
 Outline | |
 Summary | |
 HeatTransfer_Shell | |
 PressureLossShell | |
| HeatTransferTubes | |
| PressureLossTubes | |
 WallMaterial |
Revisions
For revisions please consult the html-documentation shipped with ClaRa.