modelCarnotWithLosses_OneRoomRadiator

Reversible heat pump with Carnot approach connected to a simple room model with radiator
Diagram of CarnotWithLosses_OneRoomRadiatorOpen the diagram
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Extends from Buildings.Fluid.HeatPumps.ModularReversible.Examples.BaseClasses.PartialOneRoomRadiator (Simple room model with radiator, without a heat pump), Modelica.Icons.Example (Icon for runnable examples).

Information

This example demonstrates how to use the Buildings.Fluid.HeatPumps.ModularReversible.CarnotWithLosses heat pump model. Please check the associated documentation for further information.

Please check the documentation of Buildings.Fluid.HeatPumps.ModularReversible.Examples.BaseClasses.PartialOneRoomRadiator for further information on the example.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.HeatFlowRateQ_flow_nominal (from PartialOneRoomRadiator)20000Nominal heat flow rate of radiator
Modelica.Units.SI.TemperatureTRadSup_nominal (from PartialOneRoomRadiator)273.15 + 50Radiator nominal supply water temperature
Modelica.Units.SI.TemperatureTRadRet_nominal (from PartialOneRoomRadiator)273.15 + 45Radiator nominal return water temperature
Modelica.Units.SI.MassFlowRatemCon_flow_nominal (from PartialOneRoomRadiator)Q_flow_nominal/4200/5Heat pump nominal mass flow rate in condenser
Modelica.Units.SI.MassFlowRatemEva_flow_nominal (from PartialOneRoomRadiator)Heat pump nominal mass flow rate in evaporator
Modelica.Units.SI.VolumeV (from PartialOneRoomRadiator)6*10*3Room volume
Modelica.Units.SI.MassFlowRatemAirRoo_flow_nominal (from PartialOneRoomRadiator)V*1.2*6/3600Nominal mass flow rate of room air
Modelica.Units.SI.HeatFlowRateQRooInt_flow (from PartialOneRoomRadiator)Q_flow_nominal/5Internal heat gains of the room
BooleanwitCoo (from PartialOneRoomRadiator)true=true to simulate cooling behaviour
RealperHeaLos0.01Percentage of heat losses in the heat exchangers to the nominal heating output

Connectors

TypeNameDefaultDescription
Buildings.BoundaryConditions.WeatherData.BusweaBus (from PartialOneRoomRadiator)Weather data bus

Components

TypeNameDefaultDescription
Buildings.Fluid.MixingVolumes.MixingVolumevol (from PartialOneRoomRadiator)
Modelica.Thermal.HeatTransfer.Components.ThermalConductortheCon (from PartialOneRoomRadiator)Thermal conductance with the ambient
Modelica.Thermal.HeatTransfer.Sources.PrescribedHeatFlowpreHea (from PartialOneRoomRadiator)Prescribed heat flow
Modelica.Thermal.HeatTransfer.Components.HeatCapacitorheaCap (from PartialOneRoomRadiator)Heat capacity for furniture and walls
Modelica.Blocks.Sources.CombiTimeTabletimTab (from PartialOneRoomRadiator)Time table for internal heat gain
Buildings.Fluid.HeatExchangers.Radiators.RadiatorEN442_2rad (from PartialOneRoomRadiator)Radiator
Buildings.Fluid.Sensors.TemperatureTwoPorttemSup (from PartialOneRoomRadiator)Supply water temperature
Modelica.Thermal.HeatTransfer.Sensors.TemperatureSensortemRoo (from PartialOneRoomRadiator)Room temperature
Buildings.Fluid.Movers.Preconfigured.FlowControlled_m_flowpumHeaPum (from PartialOneRoomRadiator)Pump for radiator side
Buildings.Fluid.Sensors.TemperatureTwoPorttemRet (from PartialOneRoomRadiator)Return water temperature
Buildings.BoundaryConditions.WeatherData.ReaderTMY3weaDat (from PartialOneRoomRadiator)Weather data reader
Buildings.HeatTransfer.Sources.PrescribedTemperatureTOut (from PartialOneRoomRadiator)Outside temperature
Buildings.Fluid.Movers.Preconfigured.FlowControlled_m_flowpumHeaPumSou (from PartialOneRoomRadiator)Pump for heat pump source side
Modelica.Blocks.Math.BooleanToRealbooToReaPumCon (from PartialOneRoomRadiator)Pump signal
Buildings.Fluid.Sources.Boundary_pTsou (from PartialOneRoomRadiator)Fluid source on source side
Buildings.Fluid.Sources.Boundary_pTsin (from PartialOneRoomRadiator)Fluid sink on source side
Buildings.Fluid.Sources.Boundary_pTpreSou (from PartialOneRoomRadiator)Source for pressure and to account for thermal expansion of water
Modelica.Blocks.Math.BooleanToRealbooToReaPumEva (from PartialOneRoomRadiator)Pump signal
Modelica.Thermal.HeatTransfer.Sources.PrescribedHeatFlowpreHeaCoo (from PartialOneRoomRadiator)Prescribed heat flow to trigger cooling
Modelica.Blocks.Sources.PulsecooLoa (from PartialOneRoomRadiator)Cooling load with step
Buildings.Fluid.HeatPumps.ModularReversible.Examples.BaseClasses.OneRoomRadiatorHeatPumpControloneRooRadHeaPumCtr (from PartialOneRoomRadiator)Control block for single room heat pump control
Modelica.Blocks.Sources.BooleanConstantconPumAlwOn (from PartialOneRoomRadiator)Let the pumps always run, due to inertia of the heat pump
Buildings.Fluid.HeatPumps.ModularReversible.CarnotWithLossesheaPumReversible heat pump with losses and Carnot approach
Modelica.Blocks.Sources.ConstanttemAmbBasAmbient temperature in basement of building

Revisions

  • March 7, 2025, by Michael Wetter:
    Introduced medium MediumEva and refactored medium assignment as the model replaced non-replaceable medium bindings.
    This is for #1981.
  • October 2, 2022 by Fabian Wuellhorst:
    First implementation (see issue #1576)