Buildings.Fluid.HeatExchangers.DXCoils.WaterCooled.Examples.PerformanceCurves
Package with sevral performance curves
Information
This package contains performance curves for the cooling capacity and the EIR of water-cooled DX cooling coils that are used in the examples. The data are described in Buildings.Fluid.HeatExchangers.DXCoils.WaterCooled.Data.Generic.DXCoil.
Package Content
| Name | Description |
|---|---|
 Curve_I
|
Curve_I |
Buildings.Fluid.HeatExchangers.DXCoils.WaterCooled.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.HeatExchangers.DXCoils.WaterCooled.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.HeatExchangers.DXCoils.WaterCooled.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;