blockAbsorptionIndirectSteam
Absorption indirect chiller performance curve method
Extends from Modelica.Blocks.Icons.Block (Basic graphical layout of input/output block).
Information
Block that computes the performance for the model Buildings.Fluid.Chillers.AbsorptionIndirectSteam. See Buildings.Fluid.Chillers.AbsorptionIndirectSteam for a description of this model.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Buildings.Fluid.Chillers.Data.AbsorptionIndirectSteam.Generic | per | Performance data | |
| Modelica.Units.SI.HeatFlowRate | Q_flow_small | Small value for heat flow rate or power, used to avoid division by zero |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.BooleanInput | on | Set to true to enable the absorption chiller | |
| Modelica.Blocks.Interfaces.RealInput | TConEnt | Condenser entering water temperature | |
| Modelica.Blocks.Interfaces.RealInput | TEvaLvg | Evaporator leaving water temperature | |
| Modelica.Blocks.Interfaces.RealInput | QEva_flow_set | Evaporator setpoint heat flow rate | |
| Modelica.Blocks.Interfaces.RealOutput | QCon_flow | Condenser heat flow rate | |
| Modelica.Blocks.Interfaces.RealOutput | QEva_flow | Evaporator heat flow rate | |
| Modelica.Blocks.Interfaces.RealOutput | QGen_flow | Required generator heat flow rate | |
| Modelica.Blocks.Interfaces.RealOutput | P | Pump power | |
| Modelica.Blocks.Interfaces.RealOutput | PLR | Part load ratio | |
| Modelica.Blocks.Interfaces.RealOutput | CR | Cycling ratio |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Efficiency | genHIR | Ratio of the generator heat input to chiller operating capacity | |
| Modelica.Units.SI.Efficiency | EIRP | Ratio of the actual absorber pumping power to the nominal pumping power | |
| Real | capFunEva | Evaporator capacity factor function of temperature curve | |
| Real | capFunCon | Condenser capacity factor function of temperature curve | |
| Real | genConT | Heat input modifier based on the generator input temperature | |
| Real | genEvaT | Heat input modifier based on the evaporator outlet temperature | |
| Modelica.Units.SI.HeatFlowRate | QEva_flow_ava | Cooling capacity available at the evaporator |
Revisions
-
December 13, 2019, by Michael Wetter:
RemovedTConLvgwhich is not used by this model. -
November 26, 2019, by Michael Wetter:
Revised implementation and documentation. -
July 3, 2019, by Hagar Elarga:
First implementation.