Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.PerformanceCurves
Package with sevral performance curves
Information
This package contains performance curves for the cooling capacity and the EIR of air-cooled DX cooling coils that are used in the examples.
For performance data of specific air-cooled DX cooling coils, see the packages Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Data.SingleSpeed and Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Data.DoubleSpeed.
The data are described in Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Data.Generic.DXCoil.
Package Content
| Name | Description |
|---|---|
 Curve_I
|
Performance curve I |
| Curve_II
|
Performance curve II |
| Curve_III
|
Performance curve III |
Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.PerformanceCurves.Curve_I
Performance curve I
Information
This record declares performance curves for the cooling capacity and the EIR.
It has been obtained from the EnergyPlus 7.1 example file
AirflowNetwork_MultiZone_House.idf.
Extends from Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Data.Generic.BaseClasses.PerformanceCurve (Data record for a performance curve).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Performance curves | |||
| Real | capFunT[6] | {0.942587793,0.009543347,0.0... | Biquadratic coefficients for cooling capacity function of temperature |
| Real | capFunFF[:] | {0.8,0.2,0,0} | Polynomial coefficients for cooling capacity function of flow fration |
| Real | EIRFunT[6] | {0.342414409,0.034885008,-0.... | Biquadratic coefficients for EIR function of temperature |
| Real | EIRFunFF[:] | {1.1552,-0.1808,0.0256,0} | Polynomial coefficients for EIR function of flow fration |
| Minimum and maximum values | |||
| Temperature | TConInMin | 291.15 | Minimum condenser inlet temperature for cooling capacity function [K] |
| Temperature | TConInMax | 319.26111 | Maximum condenser inlet temperature for cooling capacity function [K] |
| Temperature | TEvaInMin | 285.92778 | Minimum evaporator inlet temperature for cooling capacity function [K] |
| Temperature | TEvaInMax | 297.03889 | Maximum evaporator inlet temperature for cooling capacity function [K] |
| Real | ffMin | 0.6 | Minimum flow fraction for which performance data are valid |
| Real | ffMax | 1.8 | Maximum flow fraction for which performance data are valid |
Modelica definition
Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.PerformanceCurves.Curve_II
Performance curve II
Information
This record declares performance curves for the cooling capacity and the EIR.
It has been obtained from the EnergyPlus 7.1 example file
DXCoilSystemAuto.idf.
Extends from Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Data.Generic.BaseClasses.PerformanceCurve (Data record for a performance curve).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Performance curves | |||
| Real | capFunT[6] | {0.766956,0.0107756,-0.00004... | Biquadratic coefficients for cooling capacity function of temperature |
| Real | capFunFF[:] | {0.8,0.2,0,0} | Polynomial coefficients for cooling capacity function of flow fration |
| Real | EIRFunT[6] | {0.297145,0.0430933,-0.00074... | Biquadratic coefficients for EIR function of temperature |
| Real | EIRFunFF[:] | {1.1552,-0.1808,0.0256,0} | Polynomial coefficients for EIR function of flow fration |
| Minimum and maximum values | |||
| Temperature | TConInMin | 291.15 | Minimum condenser inlet temperature for cooling capacity function [K] |
| Temperature | TConInMax | 319.26111 | Maximum condenser inlet temperature for cooling capacity function [K] |
| Temperature | TEvaInMin | 285.92778 | Minimum evaporator inlet temperature for cooling capacity function [K] |
| Temperature | TEvaInMax | 297.03889 | Maximum evaporator inlet temperature for cooling capacity function [K] |
| Real | ffMin | 0.5 | Minimum flow fraction for which performance data are valid |
| Real | ffMax | 1.5 | Maximum flow fraction for which performance data are valid |
Modelica definition
Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.PerformanceCurves.Curve_III
Performance curve III
Information
This record declares performance curves for the cooling capacity and the EIR.
It has been obtained from the EnergyPlus 7.1 example file
5ZoneAutoDXVAV.idf.
Extends from Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Data.Generic.BaseClasses.PerformanceCurve (Data record for a performance curve).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Performance curves | |||
| Real | capFunT[6] | {0.476428,0.0401147000,0.000... | Biquadratic coefficients for cooling capacity function of temperature |
| Real | capFunFF[:] | {0.47278589,1.2433415,-1.038... | Polynomial coefficients for cooling capacity function of flow fration |
| Real | EIRFunT[6] | {0.632475,-0.0121321000,0.00... | Biquadratic coefficients for EIR function of temperature |
| Real | EIRFunFF[:] | {1.0079484,0.34544129,-0.692... | Polynomial coefficients for EIR function of flow fration |
| Minimum and maximum values | |||
| Temperature | TConInMin | 297.03889 | Minimum condenser inlet temperature for cooling capacity function [K] |
| Temperature | TConInMax | 319.26111 | Maximum condenser inlet temperature for cooling capacity function [K] |
| Temperature | TEvaInMin | 285.92778 | Minimum evaporator inlet temperature for cooling capacity function [K] |
| Temperature | TEvaInMax | 297.03889 | Maximum evaporator inlet temperature for cooling capacity function [K] |
| Real | ffMin | 0.5 | Minimum flow fraction for which performance data are valid |
| Real | ffMax | 1.5 | Maximum flow fraction for which performance data are valid |