modelPartialComparison

Partial model to allow heat pump and chiller model comparison
Diagram of PartialComparisonOpen the diagram

Information

Partial model which is based on Buildings.Fluid.HeatPumps.Examples.Carnot_y to validate the modular reversible models by means of comparison to the Buildings.Fluid.HeatPumps.Carnot_y model.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.HeatFlowRateQUse_flow_nominal30E3Nominal capacity
Modelica.Units.SI.TemperatureDifferencedTEva_nominal10Temperature difference evaporator outlet-inlet
Modelica.Units.SI.TemperatureDifferencedTCon_nominal10Temperature difference condenser outlet-inlet
Modelica.Units.SI.Pressuredp1_nominal6000Pressure difference over condenser
Modelica.Units.SI.Pressuredp2_nominal6000Pressure difference over evaporator
RealetaCarnot_nominal0.3Carnot effectiveness (=COP/COP_Carnot) used during simulation if use_eta_Carnot_nominal = true
Modelica.Units.SI.Timetau160Time constant at nominal flow rate (used if energyDynamics1 <> Modelica.Fluid.Types.Dynamics.SteadyState)
Modelica.Units.SI.TemperatureT1_start303.15Initial or guess value of set point
Modelica.Units.SI.Timetau260Time constant at nominal flow rate (used if energyDynamics2 <> Modelica.Fluid.Types.Dynamics.SteadyState)
Modelica.Units.SI.TemperatureT2_start278.15Initial or guess value of set point
Modelica.Units.SI.TemperatureTConIn_nominal303.15Nominal condenser inlet temperature
Modelica.Units.SI.TemperatureTEvaIn_nominal288.15Nominal condenser inlet temperature
Modelica.Units.SI.TemperatureTCon_nominalTConIn_nominal + dTCon_nominalNominal condenser temperature
Modelica.Units.SI.TemperatureTEva_nominalTEvaIn_nominal - dTEva_nominalNominal evaporator temperature
Modelica.Units.SI.MassFlowRatem2_flow_nominalNominal mass flow rate at chilled water side
Modelica.Units.SI.MassFlowRatem1_flow_nominalNominal mass flow rate at condenser water wide

Components

TypeNameDefaultDescription
Buildings.Fluid.Sources.MassFlowSource_Tsou1Condenser mass flow source
Buildings.Fluid.Sources.MassFlowSource_Tsou2Evaporator mass flow source
Buildings.Fluid.Sources.Boundary_pTsin1
Buildings.Fluid.Sources.Boundary_pTsin2
Modelica.Blocks.Sources.RampuComCompressor control signal
Modelica.Blocks.Sources.RampTCon_inCondenser inlet temperature
Modelica.Blocks.Sources.RampTEva_inEvaporator inlet temperature

Contents

NameDescription
Medium1Medium model
Medium2Medium model

Revisions

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