Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses

Package with base classes for Buildings.Fluid.Geothermal.Borefields.Validation

Information

This package contains base classes that are used to construct the models in Buildings.Fluid.Geothermal.Borefields.Validation.

Extends from Modelica.Icons.BasesPackage (Icon for packages containing base classes).

Package Content

Name	Description
ConstantHeatInjection_100Boreholes_Borefield	Borefield data record for 100 boreholes validation case
ConstantHeatInjection_100Boreholes_Configuration	Configuration data record for 100 boreholes validation case
ConstantHeatInjection_100Boreholes_Filling	Filling data record for 100 boreholes validation case
ConstantHeatInjection_100Boreholes_Soil	Soil data record for 100 boreholes validation case
SandBox_Borefield	Borefield data record for the Beier et al. (2011) experiment
SandBox_Configuration	Configuration data record for the Beier et al. (2011) experiment
SandBox_Filling	Filling data record for the Beier et al. (2011) experiment
SandBox_Soil	Soil data record for the Beier et al. (2011) experiment

Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.ConstantHeatInjection_100Boreholes_Borefield

Borefield data record for 100 boreholes validation case

Information

This record contains the borefield data of a field of 100 boreholes.

Extends from Buildings.Fluid.Geothermal.Borefields.Data.Borefield.Template (Template for borefield data records).

Parameters

Type	Name	Default	Description
Template	filDat	Buildings.Fluid.Geothermal.B...	Filling data
Template	soiDat	Buildings.Fluid.Geothermal.B...	Soil data
Template	conDat	Buildings.Fluid.Geothermal.B...	Configuration data

Modelica definition

record ConstantHeatInjection_100Boreholes_Borefield "Borefield data record for 100 boreholes validation case" extends Buildings.Fluid.Geothermal.Borefields.Data.Borefield.Template( filDat=Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.ConstantHeatInjection_100Boreholes_Filling(), soiDat=Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.ConstantHeatInjection_100Boreholes_Soil(), conDat=Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.ConstantHeatInjection_100Boreholes_Configuration()); end ConstantHeatInjection_100Boreholes_Borefield;

Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.ConstantHeatInjection_100Boreholes_Configuration

Configuration data record for 100 boreholes validation case

Information

This record contains the configuration data of a field of 100 boreholes.

Extends from Buildings.Fluid.Geothermal.Borefields.Data.Configuration.Template (Template for configuration data records).

Parameters

Type	Name	Default	Description
BoreholeConfiguration	borCon	Types.BoreholeConfiguration....	Borehole configuration
Boolean	use_Rb	false	true if the value borehole thermal resistance Rb should be given and used
Real	Rb	0.0	Borehole thermal resistance Rb. Only to fill in if known [(m.K)/W]
Nominal condition
MassFlowRate	mBor_flow_nominal	0.3	Nominal mass flow rate per borehole [kg/s]
MassFlowRate	mBorFie_flow_nominal	mBor_flow_nominal*nBor	Nominal mass flow of borefield [kg/s]
Pressure	dp_nominal	5e4	Pressure losses for the entire borefield [Pa]
Borehole
Height	hBor	150.0	Total height of the borehole [m]
Radius	rBor	0.075	Radius of the borehole [m]
Height	dBor	4.0	Borehole buried depth [m]
Integer	nBor	size(cooBor, 1)	Total number of boreholes
Length	cooBor[:, 2]	{{7.5mod(i - 1, 10),7.5flo...	Cartesian coordinates of the boreholes in meters [m]
Tubes
Radius	rTub	0.02	Outer radius of the tubes [m]
ThermalConductivity	kTub	0.5	Thermal conductivity of the tube [W/(m.K)]
Length	eTub	0.002	Thickness of a tube [m]
Length	xC	0.05	Shank spacing, defined as the distance between the center of a pipe and the center of the borehole [m]
Advanced
MassFlowRate	mBor_flow_small	1E-4*abs(mBor_flow_nominal)	Small mass flow rate for regularization of zero flow [kg/s]

Modelica definition

record ConstantHeatInjection_100Boreholes_Configuration "Configuration data record for 100 boreholes validation case" extends Buildings.Fluid.Geothermal.Borefields.Data.Configuration.Template( borCon = Types.BoreholeConfiguration.SingleUTube, cooBor={{7.5*mod(i-1,10), 7.5*floor((i-1)/10)} for i in 1:100}, mBor_flow_nominal=0.3, dp_nominal=5e4, hBor=150.0, rBor=0.075, dBor=4.0, rTub=0.02, kTub=0.5, eTub=0.002, xC=0.05); end ConstantHeatInjection_100Boreholes_Configuration;

Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.ConstantHeatInjection_100Boreholes_Filling

Filling data record for 100 boreholes validation case

Information

This record contains the filling data of a field of 100 boreholes.

Extends from Buildings.Fluid.Geothermal.Borefields.Data.Filling.Template (Template for filling data records).

Parameters

Type	Name	Default	Description
ThermalConductivity	kFil	1.15	Thermal conductivity of the borehole filling material [W/(m.K)]
SpecificHeatCapacity	cFil	800	Specific heat capacity of the borehole filling material [J/(kg.K)]
Density	dFil	1600	Density of the borehole filling material [kg/m3]
Boolean	steadyState	(cFil < Modelica.Constants.e...	Flag, if true, then material is computed using steady-state heat conduction

Modelica definition

record ConstantHeatInjection_100Boreholes_Filling "Filling data record for 100 boreholes validation case" extends Buildings.Fluid.Geothermal.Borefields.Data.Filling.Template( kFil=1.15, dFil=1600, cFil=800); end ConstantHeatInjection_100Boreholes_Filling;

Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.ConstantHeatInjection_100Boreholes_Soil

Soil data record for 100 boreholes validation case

Information

This record contains the soil data of a field of 100 boreholes.

Extends from Buildings.Fluid.Geothermal.Borefields.Data.Soil.Template (Template for soil data records).

Parameters

Type	Name	Default	Description
ThermalConductivity	kSoi	2.5	Thermal conductivity of the soil material [W/(m.K)]
SpecificHeatCapacity	cSoi	1200	Specific heat capacity of the soil material [J/(kg.K)]
Density	dSoi	1800	Density of the soil material [kg/m3]
Boolean	steadyState	(cSoi < Modelica.Constants.e...	Flag, if true, then material is computed using steady-state heat conduction

Modelica definition

record ConstantHeatInjection_100Boreholes_Soil "Soil data record for 100 boreholes validation case" extends Buildings.Fluid.Geothermal.Borefields.Data.Soil.Template( kSoi=2.5, dSoi=1800, cSoi=1200); end ConstantHeatInjection_100Boreholes_Soil;

Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.SandBox_Borefield

Borefield data record for the Beier et al. (2011) experiment

Information

This record contains the borefield data of the Beier et al. (2011) experiment.

References

Beier, R.A., Smith, M.D. and Spitler, J.D. 2011. Reference data sets for vertical borehole ground heat exchanger models and thermal response test analysis. Geothermics 40: 79-85.

Extends from Buildings.Fluid.Geothermal.Borefields.Data.Borefield.Template (Template for borefield data records).

Parameters

Type	Name	Default	Description
Template	filDat	Buildings.Fluid.Geothermal.B...	Filling data
Template	soiDat	Buildings.Fluid.Geothermal.B...	Soil data
Template	conDat	Buildings.Fluid.Geothermal.B...	Configuration data

Modelica definition

record SandBox_Borefield "Borefield data record for the Beier et al. (2011) experiment" extends Buildings.Fluid.Geothermal.Borefields.Data.Borefield.Template( filDat=Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.SandBox_Filling(), soiDat=Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.SandBox_Soil(), conDat=Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.SandBox_Configuration()); end SandBox_Borefield;

Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.SandBox_Configuration

Configuration data record for the Beier et al. (2011) experiment

Information

This record contains the configuration data of the Beier et al. (2011) experiment.

References

Beier, R.A., Smith, M.D. and Spitler, J.D. 2011. Reference data sets for vertical borehole ground heat exchanger models and thermal response test analysis. Geothermics 40: 79-85.

Extends from Buildings.Fluid.Geothermal.Borefields.Data.Configuration.Template (Template for configuration data records).

Parameters

Type	Name	Default	Description
BoreholeConfiguration	borCon	Types.BoreholeConfiguration....	Borehole configuration
Boolean	use_Rb	true	true if the value borehole thermal resistance Rb should be given and used
Real	Rb	0.165	Borehole thermal resistance Rb. Only to fill in if known [(m.K)/W]
Nominal condition
MassFlowRate	mBor_flow_nominal	0.197/998*1000	Nominal mass flow rate per borehole [kg/s]
MassFlowRate	mBorFie_flow_nominal	mBor_flow_nominal*nBor	Nominal mass flow of borefield [kg/s]
Pressure	dp_nominal	5e4	Pressure losses for the entire borefield [Pa]
Borehole
Height	hBor	18.3	Total height of the borehole [m]
Radius	rBor	0.063	Radius of the borehole [m]
Height	dBor	0.0	Borehole buried depth [m]
Integer	nBor	size(cooBor, 1)	Total number of boreholes
Length	cooBor[:, 2]	{{0,0}}	Cartesian coordinates of the boreholes in meters [m]
Tubes
Radius	rTub	0.0167	Outer radius of the tubes [m]
ThermalConductivity	kTub	0.39	Thermal conductivity of the tube [W/(m.K)]
Length	eTub	0.003	Thickness of a tube [m]
Length	xC	0.053/2	Shank spacing, defined as the distance between the center of a pipe and the center of the borehole [m]
Advanced
MassFlowRate	mBor_flow_small	1E-4*abs(mBor_flow_nominal)	Small mass flow rate for regularization of zero flow [kg/s]

Modelica definition

record SandBox_Configuration "Configuration data record for the Beier et al. (2011) experiment" extends Buildings.Fluid.Geothermal.Borefields.Data.Configuration.Template( borCon = Types.BoreholeConfiguration.SingleUTube, use_Rb=true, Rb=0.165, cooBor={{0,0}}, mBor_flow_nominal=0.197/998*1000, dp_nominal=5e4, hBor=18.3, rBor=0.063, dBor=0.0, rTub=0.0167, kTub=0.39, eTub=0.003, xC=0.053/2); end SandBox_Configuration;

Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.SandBox_Filling

Filling data record for the Beier et al. (2011) experiment

Information

This record contains the filling data of the Beier et al. (2011) experiment.

References

Beier, R.A., Smith, M.D. and Spitler, J.D. 2011. Reference data sets for vertical borehole ground heat exchanger models and thermal response test analysis. Geothermics 40: 79-85.

Extends from Buildings.Fluid.Geothermal.Borefields.Data.Filling.Template (Template for filling data records).

Parameters

Type	Name	Default	Description
ThermalConductivity	kFil	0.73	Thermal conductivity of the borehole filling material [W/(m.K)]
SpecificHeatCapacity	cFil	2000	Specific heat capacity of the borehole filling material [J/(kg.K)]
Density	dFil	1900	Density of the borehole filling material [kg/m3]
Boolean	steadyState	(cFil < Modelica.Constants.e...	Flag, if true, then material is computed using steady-state heat conduction

Modelica definition

record SandBox_Filling "Filling data record for the Beier et al. (2011) experiment" extends Buildings.Fluid.Geothermal.Borefields.Data.Filling.Template( kFil=0.73, dFil=1900, cFil=2000); end SandBox_Filling;

Buildings.Fluid.Geothermal.Borefields.Validation.BaseClasses.SandBox_Soil

Soil data record for the Beier et al. (2011) experiment

Information

This record contains the soil data of the Beier et al. (2011) experiment.

References

Beier, R.A., Smith, M.D. and Spitler, J.D. 2011. Reference data sets for vertical borehole ground heat exchanger models and thermal response test analysis. Geothermics 40: 79-85.

Extends from Buildings.Fluid.Geothermal.Borefields.Data.Soil.Template (Template for soil data records).

Parameters

Type	Name	Default	Description
ThermalConductivity	kSoi	2.88	Thermal conductivity of the soil material [W/(m.K)]
SpecificHeatCapacity	cSoi	1275	Specific heat capacity of the soil material [J/(kg.K)]
Density	dSoi	2000	Density of the soil material [kg/m3]
Boolean	steadyState	(cSoi < Modelica.Constants.e...	Flag, if true, then material is computed using steady-state heat conduction

Modelica definition

record SandBox_Soil "Soil data record for the Beier et al. (2011) experiment" extends Buildings.Fluid.Geothermal.Borefields.Data.Soil.Template( kSoi=2.88, cSoi=1275, dSoi=2000); end SandBox_Soil;