Buildings.Fluid.HeatPumps.Data.EquationFitReversible

Package with model parameters for reverse heat pumps using the equation fit model

Information

Package with performance data for reverse water to water heat pump model Buildings.Fluid.HeatPumps.EquationFitReversible.

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

Package Content

Name	Description
EnergyPlus	Data record for reverse heat pump used in EnergyPlus example file
Generic	Generic data record for reverse water to water heat pump implementing the equation fit method
Trane_Axiom_EXW240	Reverse heat pump Trane Axiom EXW240

Buildings.Fluid.HeatPumps.Data.EquationFitReversible.EnergyPlus

Data record for reverse heat pump used in EnergyPlus example file

Information

This data corresponds to the EnergyPlus example file GSHPSimple-GLHE.idf from EnergyPlus 9.1, with a nominal cooling capacity of 39890 Watts and nominal heating capacity of 39040 Watt.

Extends from Buildings.Fluid.HeatPumps.Data.EquationFitReversible.Generic (Generic data record for reverse water to water heat pump implementing the equation fit method).

Parameters

Type	Name	Default	Description
PressureDifference	dpHeaLoa_nominal	30000	Nominal pressure drop at load heat exchanger side at hea.mLoa_flow [Pa]
PressureDifference	dpHeaSou_nominal	30000	Nominal pressure drop at load heat exchanger side at hea.mSou_flow [Pa]

Modelica definition

record EnergyPlus = Buildings.Fluid.HeatPumps.Data.EquationFitReversible.Generic ( dpHeaSou_nominal = 30000, dpHeaLoa_nominal = 30000, hea( TRefLoa = 10 + 273.15, TRefSou = 10 + 273.15, Q_flow = 39040.92, P = 5130, mLoa_flow = 1.89, mSou_flow = 1.89, coeQ = {-3.33491153,-0.51451946,4.51592706,0.01797107,0.155797661}, coeP = {-8.93121751,8.57035762,1.29660976,-0.21629222,0.033862378}), coo( TRefSou = 10 + 273.15, TRefLoa = 10 + 273.15, Q_flow = -39890.91, P = 4790, coeQ = {-1.52030596,3.46625667,-1.32267797,0.09395678,0.038975504}, coeP = {-8.59564386,0.96265085,8.69489229,0.02501669,-0.20132665})) "Data record for reverse heat pump used in EnergyPlus example file";

Buildings.Fluid.HeatPumps.Data.EquationFitReversible.Generic

Generic data record for reverse water to water heat pump implementing the equation fit method

Information

This record is used as a template for performance data for the heat pump model Buildings.Fluid.HeatPumps.EquationFitReversible.

Extends from Modelica.Icons.Record (Icon for records).

Parameters

Type	Name	Default	Description
HeatingCoolingData	hea		Performance data for heating mode
HeatingCoolingData	coo	coo(mLoa_flow=hea.mLoa_flow,...	Performance data for cooling mode (set coo.P = 0 to disable operation in cooling mode)
PressureDifference	dpHeaLoa_nominal	30000	Nominal pressure drop at load heat exchanger side at hea.mLoa_flow [Pa]
PressureDifference	dpHeaSou_nominal	30000	Nominal pressure drop at load heat exchanger side at hea.mSou_flow [Pa]

Modelica definition

record Generic "Generic data record for reverse water to water heat pump implementing the equation fit method" extends Modelica.Icons.Record; parameter HeatingCoolingData hea "Performance data for heating mode"; parameter HeatingCoolingData coo( mLoa_flow = hea.mLoa_flow, mSou_flow = hea.mSou_flow) "Performance data for cooling mode (set coo.P = 0 to disable operation in cooling mode)"; parameter Modelica.SIunits.PressureDifference dpHeaLoa_nominal(min=0) = 30000 "Nominal pressure drop at load heat exchanger side at hea.mLoa_flow"; parameter Modelica.SIunits.PressureDifference dpHeaSou_nominal(min=0) = 30000 "Nominal pressure drop at load heat exchanger side at hea.mSou_flow"; final parameter Boolean reverseCycle=coo.P > Modelica.Constants.eps "= true, if the heat pump can be reversed to also operate in cooling mode"; protected record HeatingCoolingData "Record for performance data that are used for heating and cooling separately" parameter Modelica.SIunits.HeatFlowRate Q_flow "Nominal capacity"; parameter Modelica.SIunits.Power P "Nominal compressor power"; parameter Modelica.SIunits.MassFlowRate mLoa_flow "Nominal mass flow rate at load heat exchanger side"; parameter Modelica.SIunits.MassFlowRate mSou_flow "Nominal mass flow rate at source heat exchanger side"; parameter Real coeQ[5] "Load ratio coefficients"; parameter Real coeP[5] "Power ratio coefficients"; parameter Modelica.SIunits.Temperature TRefLoa "Reference temperature used to normalize the load heat exchanger inlet water temperature"; parameter Modelica.SIunits.Temperature TRefSou "Reference temperature used to normalize the source heat exchanger inlet water temperature"; end HeatingCoolingData; end Generic;

Buildings.Fluid.HeatPumps.Data.EquationFitReversible.Trane_Axiom_EXW240

Reverse heat pump Trane Axiom EXW240

Information

Performance data for reverse heat pump model. This data corresponds to the following https://www.trane.com/wshp.pdf catalog data.

    Trane EXW 70kW/4.11COP,  !- Name
    77000,                   !- Reference Heating Capacity {W}
    55680,                   !- Reference Cooling Capacity {W}
    4.10,                    !- Reference COP {W/W}
    13.5,                    !- Refrence EER{BTUh/W}
    0.0018,                  !- Reference Evaporator Water Flow Rate {m3/s}
    0.0018,                  !- Reference Condenser Water Flow Rate {m3/s}

Extends from Buildings.Fluid.HeatPumps.Data.EquationFitReversible.Generic (Generic data record for reverse water to water heat pump implementing the equation fit method).

Parameters

Type	Name	Default	Description
PressureDifference	dpHeaLoa_nominal	32460	Nominal pressure drop at load heat exchanger side at hea.mLoa_flow [Pa]
PressureDifference	dpHeaSou_nominal	33530	Nominal pressure drop at load heat exchanger side at hea.mSou_flow [Pa]

Modelica definition

record Trane_Axiom_EXW240 = Buildings.Fluid.HeatPumps.Data.EquationFitReversible.Generic ( dpHeaSou_nominal = 33530, dpHeaLoa_nominal = 32460, hea( TRefLoa = 53 + 273.15, TRefSou = 18 + 273.15, Q_flow = 77000.00, P = 18000, mSou_flow = 1.893, mLoa_flow = 1.893, coeQ = {-4.23,-1.24,6.28,0.01,0.08}, coeP = {-5.55,5.08,1.01,-0.04,0.00}), coo( TRefSou = 28 + 273.15, TRefLoa = 12 + 273.15, Q_flow = -55680.00, P = 14244.44, coeQ = {-5.79235417,9.83800467,-3.19795605,0.32498894,0.043752306918433}, coeP = {-6.37109639,1.27560526,5.81780490,0.03132874,-0.082990443216406})) "Reverse heat pump Trane Axiom EXW240";

Buildings.Fluid.HeatPumps.Data.EquationFitReversible.Generic.HeatingCoolingData

Record for performance data that are used for heating and cooling separately

Information

Performance data for the heating or cooling mode of the reverse heat pump Buildings.Fluid.HeatPumps.EquationFitReversible.

Parameters

Type	Name	Description
MassFlowRate	mLoa_flow	Nominal mass flow rate at load heat exchanger side [kg/s]
MassFlowRate	mSou_flow	Nominal mass flow rate at source heat exchanger side [kg/s]
Nominal conditions at load heat exchanger side
HeatFlowRate	Q_flow	Nominal capacity [W]
Power	P	Nominal compressor power [W]
Performance coefficients
Real	coeQ[5]	Load ratio coefficients
Electrical power performance coefficients
Real	coeP[5]	Power ratio coefficients
Reference conditions
Temperature	TRefLoa	Reference temperature used to normalize the load heat exchanger inlet water temperature [K]
Temperature	TRefSou	Reference temperature used to normalize the source heat exchanger inlet water temperature [K]

Modelica definition

record HeatingCoolingData "Record for performance data that are used for heating and cooling separately" parameter Modelica.SIunits.HeatFlowRate Q_flow "Nominal capacity"; parameter Modelica.SIunits.Power P "Nominal compressor power"; parameter Modelica.SIunits.MassFlowRate mLoa_flow "Nominal mass flow rate at load heat exchanger side"; parameter Modelica.SIunits.MassFlowRate mSou_flow "Nominal mass flow rate at source heat exchanger side"; parameter Real coeQ[5] "Load ratio coefficients"; parameter Real coeP[5] "Power ratio coefficients"; parameter Modelica.SIunits.Temperature TRefLoa "Reference temperature used to normalize the load heat exchanger inlet water temperature"; parameter Modelica.SIunits.Temperature TRefSou "Reference temperature used to normalize the source heat exchanger inlet water temperature"; end HeatingCoolingData;