Buildings.Fluid.DXSystems.Heating.AirSource.Examples.PerformanceCurves

Package with several performance curves

Information

This package contains performance curves for the coil heat transfer capacity and the EIR of air source DX cooling and heating coils that are used in the examples.

The data are described in Buildings.Fluid.DXSystems.Heating.AirSource.Data.Generic.DXCoil.

Extends from Modelica.Icons.MaterialPropertiesPackage (Icon for package containing property classes).

Package Content

Name	Description
Curve_I	DX heating coil performance curve I

Buildings.Fluid.DXSystems.Heating.AirSource.Examples.PerformanceCurves.Curve_I

DX heating coil performance curve I

Information

This record declares performance curves for the heating capacity and the EIR for use in Buildings.Fluid.DXSystems.Heating.AirSource.Examples.SingleSpeed. It has been obtained from the EnergyPlus 9.6 example file PackagedTerminalHeatPump.idf.

Extends from Buildings.Fluid.DXSystems.Heating.AirSource.Data.Generic.BaseClasses.PerformanceCurve (Data record for a performance curve).

Parameters

Type	Name	Default	Description
Performance curves
Real	capFunT[6]	{0.9135970355,0.0127860478,0...	Biquadratic coefficients for heating capacity function of temperature
Real	capFunFF[:]	{0.84,0.16,0,0}	Polynomial coefficients for heating capacity function of flow fration
Real	EIRFunT[6]	{0.6019839404,-0.0053765594,...	Biquadratic coefficients for EIR function of temperature
Real	EIRFunFF[:]	{1.3824,-0.4336,0.0512}	Polynomial coefficients for EIR function of flow fration
Minimum and maximum values
Temperature	TConInMin	17.78 + 273.15	Minimum condenser inlet temperature for heating capacity function [K]
Temperature	TConInMax	23.33 + 273.15	Maximum condenser inlet temperature for heating capacity function [K]
Temperature	TEvaInMin	-30.56 + 273.15	Minimum evaporator inlet temperature for heating capacity function [K]
Temperature	TEvaInMax	17.22 + 273.15	Maximum evaporator inlet temperature for heating 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

record Curve_I "DX heating coil performance curve I" extends Buildings.Fluid.DXSystems.Heating.AirSource.Data.Generic.BaseClasses.PerformanceCurve ( capFunT={0.9135970355,0.0127860478,0.0000527533,-0.0005917719,0.000136017, -0.0000894155}, capFunFF={0.84,0.16,0,0}, EIRFunT={0.6019839404,-0.0053765594,0.000773762,0.0186496391,0.0002225627,-0.0008182042}, EIRFunFF={1.3824,-0.4336,0.0512}, TConInMin=17.78+273.15, TConInMax=23.33+273.15, TEvaInMin=-30.56+273.15, TEvaInMax=17.22+273.15, ffMin=0.5, ffMax=1.5); end Curve_I;