modelPipeGasAdvanced_L4
Pipe for gaseous media with dynamic mass balance and thermal insulation
Extends from ClaRa.Basics.Icons.Pipe_L4.
Information
1. Purpose of model
Pipe model using the advanced gas control volumes with dynamic momentum balance from the ClaRa and a thermal insulation model.
2. Level of detail, physical effects considered, and physical insight
(no remarks)
3. Limits of validity
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4. Interfaces
- Fluid Inlet
- Fluidr Outlet
5. Nomenclature
(no remarks)
6. Governing Equations
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7. Remarks for Usage
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8. Validation
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9. References
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10. Version History
First Version in 04.2020 for the research project Future Energy Solution (FES) by Michael von der Heyde (heyde@tuhh.de)
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Initialisation | |||
| Boolean | useHomotopy | simCenter.useHomotopy | True, if homotopy method is used during initialisation |
| ClaRa.Basics.Units.Temperature[N_cv] | T_start | fill(simCenter.T_amb_start, N_cv) | Start value of system Temperature |
| ClaRa.Basics.Units.Pressure[N_cv] | p_start | fill(simCenter.p_amb_start, N_cv) | Start value of sytsem pressure |
| ClaRa.Basics.Units.MassFraction[medium_fluid.nc - 1] | xi_start | simCenter.airModel.xi_default | Start value of shell mass fraction |
| Integer | initOption | 0 | Type of shell initialisation |
| Fundamental Definitions | |||
| TILMedia.GasTypes.BaseGas | medium_fluid | simCenter.airModel | Medium to be used for gas flow |
| Integer | N_cv | 3 | Number of control volumes |
| Geometry | |||
| ClaRa.Basics.Units.Length | length | 10 | Pipe Length |
| ClaRa.Basics.Units.Length | diameter | 1 | Pipe Diameter |
| ClaRa.Basics.Units.Length | wall_thickness | 0.005 | Pipe Wall Thickness |
| Integer | N_pipes | 1 | Number of Pipes in parallel |
| Boolean | frictionAtInlet | false | True if pressure loss between first cell and inlet shall be considered |
| Boolean | frictionAtOutlet | false | True if pressure loss between last cell and outlet shall be considered |
| ClaRa.Basics.Units.Length | z_in | 1 | Inlet position from bottom |
| ClaRa.Basics.Units.Length | z_out | 1 | Outlet position from bottom |
| Nominal Values | |||
| ClaRa.Basics.Units.MassFlowRate | m_flow_nom | 10 | Nominal mass flow |
| ClaRa.Basics.Units.Pressure | p_nom | simCenter.p_amb_start | Nominal pressure |
| Basics.Units.Pressure | Delta_p_nom | 100 | Nominal pressure loss |
| Basics.Units.Temperature | T_nom | simCenter.T_amb_start | Nominal temperature |
| Summary and Visualisation | |||
| Boolean | showData | false | True if a data port containing p,T,h,s,m_flow shall be shown, else false |
| Boolean | showExpertSummary | simCenter.showExpertSummary | True, if expert summary should be applied |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.Basics.Interfaces.GasPortIn | inlet | ||
| ClaRa.Basics.Interfaces.GasPortOut | outlet |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter | ||
| ClaRa.Basics.ControlVolumes.GasVolumes.VolumeGas_L4_advanced | airVolume | ||
| ClaRa.Basics.ControlVolumes.SolidVolumes.CylindricalThinWall_L4 | cylindricalThinWall_L4_1 | ||
| Insulation | insulation | ||
| Summary | summary |
Contents
| Name | Description |
|---|---|
 Outline | |
 Summary | |
 PressureLoss | |
 HeatTransfer | |
 Insulation | |
| medium_wall |