modelGasConsumerPipe_mFlow
Extends from TransiEnt.Basics.Icons.GasSink (Icon for gas sinks).
Information
1. Purpose of model
Real gas consumer with one pipe.
Pipe can represent the average distance to a consumer.
2. Level of detail, physical effects considered, and physical insight
(no remarks)
3. Limits of validity
(no remarks)
4. Interfaces
fluidPortIn - RealGas
m_flow - Gas mass flow in [kg/s]
5. Nomenclature
(no remarks)
6. Governing Equations
(no remarks)
7. Remarks for Usage
(no remarks)
8. Validation
(no validation or testing necessary)
9. References
(no remarks)
10. Version History
Model created by Tom Lindemann (tom.lindemann@tuhh.de) in Jun 2015
Edited by Lisa Andresen (andresen@tuhh.de) in May 2016
Edited by Carsten Bode(c.bode@tuhh.de) in May 2020 (added option to use isothermal pipe model)
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Pipe Network › Parameters | |||
| SI.Length | length | 1000 | Average distance to a consumer within this district |
| SI.Length | diameter | 0.4 | Diameter |
| Integer | N_tubes | 1 | Number of parallel tubes |
| Integer | N_cv | 1 | Number of finite volumes |
| Boolean | useIsothPipe | false | true: isothermal pipe model, false: adiabatic pipe model |
| General › General | |||
| TILMedia.VLEFluidTypes.BaseVLEFluid | medium | simCenter.gasModel1 | Medium to be used |
| Integer | flowDefinition | 1 | Flow definition for sensors |
| Boolean | variable_m_flow | true | True, if enthalpy flow defined by variable input |
| SI.MassFlowRate | m_flow_const | 1e6 | Constant mass flow rate flow rate |
| Pipe Network › Initialization | |||
| SI.MassFraction[medium.nc - 1] | xi_start | medium.xi_default | Composition of the medium for initialization (nc-1) |
| SI.Pressure[N_cv] | p_start | ones(N_cv)*15e5 | Pressure |
| SI.EnthalpyMassSpecific[N_cv] | h_start | ones(N_cv)*788440 | Enthalpy |
| SI.MassFlowRate[N_cv + 1] | m_flow_start | ones(N_cv + 1)*140 | Mass flow rate |
| Pipe Network › Nominal values | |||
| SI.MassFraction[medium.nc - 1] | xi_nom | medium.xi_default | Nominal composition of the medium (nc-1) |
| SI.Pressure[N_cv] | p_nom | ones(N_cv)*15e5 | Nominal absolute pressure |
| SI.EnthalpyMassSpecific[N_cv] | h_nom | ones(N_cv)*788440 | Nominal enthalpy |
| SI.MassFlowRate | m_flow_nom | 140 | Nominal mass flow |
| SI.PressureDifference | Delta_p_nom | 3e4 | Nominal pressure loss |
| Sink › General | |||
| SI.MassFraction[medium.nc - 1] | xi_const | medium.xi_default | Constant composition of medium (nc-1) |
| SI.Temperature | T_const | 283.15 | Constant temperature |
| Pipes | |||
| Integer | massBalance | 1 | Mass balance and species balance fomulation |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Basics.Interfaces.Gas.RealGasPortIn | fluidPortIn | ||
| TransiEnt.Basics.Interfaces.General.MassFlowRateIn | m_flow | Mass flow rate input |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter | ||
| TransiEnt.Components.Gas.VolumesValvesFittings.Pipes.PipeFlow_L4_Simple | pipe | ||
| TransiEnt.Components.Boundaries.Gas.BoundaryRealGas_Txim_flow | sink | ||
| TransiEnt.Components.Sensors.RealGas.CompositionSensor | vleCompositionSensor | ||
| TransiEnt.Components.Sensors.RealGas.MassFlowSensor | massflowSensor | ||
| TransiEnt.Components.Sensors.RealGas.WobbeGCVSensor | vleGCVSensor | ||
| Components.Gas.VolumesValvesFittings.Pipes.PipeFlow_L4_Simple_isoth | pipe_isoth |
Contents
| Name | Description |
|---|---|
 PressureLoss |