modelPartialModularComparison

Partial model for comparison to the Carnot model

Extends from Buildings.Fluid.HeatPumps.ModularReversible.Validation.Comparative.BaseClasses.PartialComparison (Partial model to allow heat pump and chiller model comparison).

Information

Partial model to have consistent parameterization of the modular reversible model approaches.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.HeatFlowRateQUse_flow_nominal (from PartialComparison)30E3Nominal capacity
Modelica.Units.SI.TemperatureDifferencedTEva_nominal (from PartialComparison)10Temperature difference evaporator outlet-inlet
Modelica.Units.SI.TemperatureDifferencedTCon_nominal (from PartialComparison)10Temperature difference condenser outlet-inlet
Modelica.Units.SI.Pressuredp1_nominal (from PartialComparison)6000Pressure difference over condenser
Modelica.Units.SI.Pressuredp2_nominal (from PartialComparison)6000Pressure difference over evaporator
RealetaCarnot_nominal (from PartialComparison)0.3Carnot effectiveness (=COP/COP_Carnot) used during simulation if use_eta_Carnot_nominal = true
Modelica.Units.SI.Timetau1 (from PartialComparison)60Time constant at nominal flow rate (used if energyDynamics1 <> Modelica.Fluid.Types.Dynamics.SteadyState)
Modelica.Units.SI.TemperatureT1_start (from PartialComparison)303.15Initial or guess value of set point
Modelica.Units.SI.Timetau2 (from PartialComparison)60Time constant at nominal flow rate (used if energyDynamics2 <> Modelica.Fluid.Types.Dynamics.SteadyState)
Modelica.Units.SI.TemperatureT2_start (from PartialComparison)278.15Initial or guess value of set point
Modelica.Units.SI.TemperatureTConIn_nominal (from PartialComparison)303.15Nominal condenser inlet temperature
Modelica.Units.SI.TemperatureTEvaIn_nominal (from PartialComparison)288.15Nominal condenser inlet temperature
Modelica.Units.SI.TemperatureTCon_nominal (from PartialComparison)TConIn_nominal + dTCon_nominalNominal condenser temperature
Modelica.Units.SI.TemperatureTEva_nominal (from PartialComparison)TEvaIn_nominal - dTEva_nominalNominal evaporator temperature
Modelica.Units.SI.MassFlowRatem2_flow_nominal (from PartialComparison)Nominal mass flow rate at chilled water side
Modelica.Units.SI.MassFlowRatem1_flow_nominal (from PartialComparison)Nominal mass flow rate at condenser water wide

Components

TypeNameDefaultDescription
Buildings.Fluid.Sources.MassFlowSource_Tsou1 (from PartialComparison)Condenser mass flow source
Buildings.Fluid.Sources.MassFlowSource_Tsou2 (from PartialComparison)Evaporator mass flow source
Buildings.Fluid.Sources.Boundary_pTsin1 (from PartialComparison)
Buildings.Fluid.Sources.Boundary_pTsin2 (from PartialComparison)
Modelica.Blocks.Sources.RampuCom (from PartialComparison)Compressor control signal
Modelica.Blocks.Sources.RampTCon_in (from PartialComparison)Condenser inlet temperature
Modelica.Blocks.Sources.RampTEva_in (from PartialComparison)Evaporator inlet temperature
ModularchiModular chiller model

Revisions

  • November 13, 2023 by Fabian Wuellhorst:
    First implementation.