modelConnectionCondensatePipe
Example model for the steam heating connection block
Extends from Modelica.Icons.Example.
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.