Buildings.Fluid.DXSystems.Heating.AirSource.Validation.Data

Package with performance data used in validation models

Information

This package contains performance data used in the validation models.

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

Package Content

Name Description
Buildings.Fluid.DXSystems.Heating.AirSource.Validation.Data.SingleSpeedHeating SingleSpeedHeating Data record for DX heating coil in validation models

Buildings.Fluid.DXSystems.Heating.AirSource.Validation.Data.SingleSpeedHeating Buildings.Fluid.DXSystems.Heating.AirSource.Validation.Data.SingleSpeedHeating

Data record for DX heating coil in validation models

Information

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

Extends from Buildings.Fluid.DXSystems.Heating.AirSource.Data.Generic.DXCoil (Performance record for a DX Heating DXCoil with one or multiple stages).

Parameters

TypeNameDefaultDescription
IntegernSta1Number of stages
RealminSpeRat0.2Minimum speed ratio
Stagesta[nSta]{Buildings.Fluid.DXSystems.H...Data record for coil performance at each stage
DefrostOperationdefOpeBuildings.Fluid.DXSystems.He...Defrost operation type
DefrostTimeMethodsdefTriBuildings.Fluid.DXSystems.He...Type of method used to calculate defrost time fraction
RealtDefRun0.166Time period fraction for which defrost cycle is run [1]
ThermodynamicTemperatureTDefLim273.65Maximum temperature at which defrost operation is activated [K]
HeatFlowRateQDefResCap10500Heating capacity of resistive defrost element [W]
HeatFlowRateQCraCap200Crankcase heater capacity [W]
RealdefEIRFunT[6]{0.297145,0.0430933,-0.00074...Biquadratic coefficients for defrost capacity function of temperature
RealPLFraFunPLR[:]{1}Quadratic/cubic equation for part load fraction as a function of part-load ratio
Minimum conditions
MassFlowRatem_flow_small0.0001*sta[nSta].nomVal.m_fl...Small mass flow rate for regularization near zero flow [kg/s]

Modelica definition

record SingleSpeedHeating "Data record for DX heating coil in validation models" extends Buildings.Fluid.DXSystems.Heating.AirSource.Data.Generic.DXCoil( sta={ Buildings.Fluid.DXSystems.Heating.AirSource.Data.Generic.BaseClasses.Stage( spe=1800/60, nomVal= Buildings.Fluid.DXSystems.Heating.AirSource.Data.Generic.BaseClasses.NominalValues( Q_flow_nominal=15000, COP_nominal=2.75, m_flow_nominal=0.782220983308365, TEvaIn_nominal=273.15 + 6, TConIn_nominal=273.15 + 21), perCur= Buildings.Fluid.DXSystems.Heating.AirSource.Examples.PerformanceCurves.Curve_I())}, final nSta=1, final QDefResCap=10500, final QCraCap=200, final defEIRFunT={0.297145,0.0430933,-0.000748766,0.00597727,0.000482112,-0.000956448}, final PLFraFunPLR={1}); end SingleSpeedHeating;