modelConnectionCondensatePipe
Example model for the steam heating connection block
Extends from Modelica.Icons.Example (Icon for runnable examples).
Information
This model demonstrates the performance of the connection block for steam heating systems with a ramp input for the mass flow rate at the building interconnection.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.AbsolutePressure | pSat | 150000 | Saturation pressure |
| Modelica.Units.SI.Temperature | TSat | MediumSte.saturationTemperature(pSat) | Saturation temperature |
| Modelica.Units.SI.SpecificEnthalpy | dh_nominal | MediumSte.specificEnthalpy(MediumSte.setState_pTX(p = pSat, T = TSat, X = MediumSte.X_default)) - MediumWat.specificEnthalpy(MediumWat.setState_pTX(p = pSat, T = TSat, X = MediumWat.X_default)) | Nominal change in enthalpy due to vaporization |
| Modelica.Units.SI.Power | Q_flow_nominal | 200E3 | Nominal heat flow rate |
| Real[:,:] | QHeaLoa | [0, 200E3; 6, 200E3; 6, 50E3; 18, 50E3; 18, 75E3; 24, 75E3] | Heating load profile for the building |
| Modelica.Units.SI.PressureDifference | dp_nominal | 6000 | Pressure drop at nominal mass flow rate |
| Modelica.Units.SI.MassFlowRate | m_flow_nominal | Q_flow_nominal/dh_nominal | Nominal mass flow rate |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Sources.Ramp | ram | Ramp signal | |
| Fluid.Sources.MassFlowSource_T | souWat | Water source | |
| Fluid.Sources.MassFlowSource_T | souSte | Steam source | |
| Buildings.Fluid.Sources.Boundary_pT | sinWat | Water condensate sink | |
| Fluid.Sources.Boundary_pT | sinSte | Steam sink | |
| Buildings.DHC.Networks.Steam.ConnectionCondensatePipe | con | Connection block for steam systems |
Contents
| Name | Description |
|---|---|
 MediumSte | Steam medium |
 MediumWat | Water medium |
Revisions
-
March 2, 2022, by Kathryn Hinkelman:
First implementation.