modelVCLibMap

Multi-dimensional performance map encompasing choices of fluid and flowsheet based on steady state calculations using the Vapour Compression Library

Extends from BaseClasses.PartialPerformanceData (Model with a replaceable for different methods of data aggregation).

Information

This model uses tables generated by the Vapour Compression Library to calculate the relevant outputs of the inner refrigeration cycle.

If of interest, contact Fabian Wüllhorst or Christian Vering for more information on how the maps are generated.

The publications regarding this model are currenlty in review.

Type	Name	Default	Description
Heat pump specification
Modelica.Units.SI.Power	QCon_flow_nominal	5000	Nominal heating power of heat pump
String	refrigerant	"R410A"	Identifier for the refrigerant
String	flowsheet	"StandardFlowsheet"	Identifier for the flowsheet
SDF File › Parameters
SDF.Types.InterpolationMethod	interpMethod	SDF.Types.InterpolationMethod.Linear	Interpolation method
SDF.Types.ExtrapolationMethod	extrapMethod	SDF.Types.ExtrapolationMethod.Hold	Extrapolation method
SDF File › File
String	filename	"modelica://AixLib/Resources/Data/Fluid/BaseClasses/PerformanceData/VCLibMap/VCLibMap.sdf"	Path to the sdf file
SDF File › Variable names
String	tableName_COP	"COP"	String identifier in sdf table for COP
String	tableName_QCon	"Q_con"	String identifier in sdf table for QCon
String	tableName_QConNominal	"Q_flow_con_nominal"	String identifier in sdf table for QConNominal
String	tableName_mFlowEvaNominal	"m_flow_eva"	String identifier in sdf table for mFlow_evaNominal
String	tableName_mFlowConNominal	"m_flow_con"	String identifier in sdf table for mFlow_conNominal
Modelica.Units.SI.Power	Q_flowTableNom	SDF.Functions.readDatasetDouble(fileref, dataset_QflowNom, "W")	Nominal heat flow in map. Doesn't need to be changed.
Advanced
Real	minCOP	0.1	Minimal possible COP value. Used to avoid division by zero error. Should never occur anyways if performance map is correctly created

Type	Name	Description
Modelica.Blocks.Interfaces.RealOutput	Pel (from PartialPerformanceData)	Electrical Power consumed by HP
Modelica.Blocks.Interfaces.RealOutput	QCon (from PartialPerformanceData)	Heat flow rate through Condenser
AixLib.Obsolete.Year2024.Controls.Interfaces.VapourCompressionMachineControlBus	sigBus (from PartialPerformanceData)	Bus-connector used in a heat pump
Modelica.Blocks.Interfaces.RealOutput	QEva (from PartialPerformanceData)	Heat flow rate through Evaporator

Type	Name	Description
Modelica.Blocks.Math.Add	calcRedQCon (from PartialPerformanceData)	Based on redcued heat flow to the evaporator, the heat flow to the condenser is also reduced
Modelica.Blocks.Math.Product	proRedQEva (from PartialPerformanceData)	Based on the icing factor, the heat flow to the evaporator is reduced
Utilities.Logical.SmoothSwitch	switchPel	If HP is off, no heat will be exchanged
Utilities.Logical.SmoothSwitch	switchQCon	If HP is off, no heat will be exchanged
Modelica.Blocks.Sources.Constant	constZero
Modelica.Blocks.Sources.Constant	QScaling	Scaling for heat pump power
Modelica.Blocks.Math.Product	product_scaling	Multiply nominal output power with scaling factor
SDF.NDTable	Table_QCon	nD table with performance map of heat pump
SDF.NDTable	Table_COP	nD table with performance map of heat pump
Modelica.Blocks.Routing.Multiplex3	multiplex3_1
Modelica.Blocks.Math.Division	divisionPel	Divide QCon by COP to obtain Pel
Modelica.Blocks.Math.Max	max	Use max of lower COP value to avoid division by zero error
Modelica.Blocks.Sources.Constant	const_minCOP	Minimal possible COP. Used to avoid division by zero error. Should never occur anyways if performance map is correctly created