Buildings.Fluid.DXSystems.Cooling.WaterSource.Examples.PerformanceCurves
Package with sevral performance curves
Information
This package contains performance curves for the cooling capacity and the EIR of water source DX cooling coils that are used in the examples. The data are described in Buildings.Fluid.DXSystems.Cooling.WaterSource.Data.Generic.DXCoil.
Package Content
| Name | Description |
|---|---|
 Curve_I
|
Curve_I |
Buildings.Fluid.DXSystems.Cooling.WaterSource.Examples.PerformanceCurves.Curve_I
Curve_I
Information
This record declares performance curves for the cooling capacity and the EIR.
It has been obtained from the EnergyPlus 8.6 example file
UnitarySystem_VSHeatPumpWaterToAirEquationFit.idf.
Extends from Buildings.Fluid.DXSystems.Cooling.WaterSource.Data.Generic.BaseClasses.PerformanceCurve (Data record for a performance curve).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Performance curves | |||
| Real | capFunT[6] | {1.43085,-0.0453653,0.001993... | Biquadratic coefficients for cooling capacity function of temperature |
| Real | capFunFF[:] | {1.0,0.0,0,0} | Polynomial coefficients for cooling capacity function of flow fration |
| Real | EIRFunT[6] | {0.138848,0.0457985,-0.00138... | Biquadratic coefficients for EIR function of temperature |
| Real | EIRFunFF[:] | {1.0,0.0,0.0} | Polynomial coefficients for EIR function of flow fration |
| Real | capFunFFCon[:] | {1.0,0.0,0.0} | Polynomial coefficients for cooling capacity function of water flow fration at condensers |
| Real | EIRFunFFCon[:] | {1.0,0.0,0.0} | Polynomial coefficients for EIR function of water flow fration at condensers |
| Minimum and maximum values | |||
| Temperature | TConInMin | 7.2 + 273.15 | Minimum condenser inlet temperature for cooling capacity function [K] |
| Temperature | TConInMax | 48.9 + 273.15 | Maximum condenser inlet temperature for cooling capacity function [K] |
| Temperature | TEvaInMin | 10 + 273.15 | Minimum evaporator inlet temperature for cooling capacity function [K] |
| Temperature | TEvaInMax | 25.6 + 273.15 | Maximum evaporator inlet temperature for cooling capacity function [K] |
| Real | ffMin | 0.0 | Minimum flow fraction for which performance data are valid |
| Real | ffMax | 1.0 | Maximum flow fraction for which performance data are valid |
| Real | ffConMin | 0.0 | Minimum water flow fraction at condensers for which performance data are valid |
| Real | ffConMax | 1.0 | Maximum water flow fraction at condensers for which performance data are valid |
Modelica definition
record Curve_I "Curve_I"
extends Buildings.Fluid.DXSystems.Cooling.WaterSource.Data.Generic.BaseClasses.PerformanceCurve
(
each capFunT={1.43085,-0.0453653,0.00199378,-0.00805944,3.93414E-05,
-1.81187E-04},
each capFunFF={1.0,0.0,0,0},
each capFunFFCon={1.0,0.0,0.0},
each EIRFunT={0.138848,0.0457985,-0.00138661,0.0141485,0.000386055,
-4.38194E-04},
each EIRFunFF={1.0,0.0,0.0},
each EIRFunFFCon={1.0,0.0,0.0},
TConInMin=7.2+273.15,
TConInMax=48.9+273.15,
TEvaInMin=10+273.15,
TEvaInMax=25.6+273.15,
ffMin=0.0,
ffMax=1.0,
ffConMin=0.0,
ffConMax=1.0);
end Curve_I;