Buildings.ThermalZones.Detailed.Validation.BESTEST.Data
This package contains the data for the BESTEST validation
Information
Package with data that are used in various BESTEST models. This package has been implemented to avoid duplicate definition of data in the various BESTEST examples.
Extends from Modelica.Icons.MaterialPropertiesPackage (Icon for package containing property classes).
Package Content
| Name | Description |
|---|---|
 ExteriorWallCase900
|
High Mass Case: Exterior Wall |
| FloorCase900
|
High Mass Case: Floor |
 Glass600
|
Thermal properties of window glass |
 ResultSummary
|
Record that is used for summary of the results |
 StandardResults
|
ASHRAE Standard Results |
| StandardResultsFreeFloating
|
ASHRAE Standard Results |
| Win600
|
Double pane, clear glass 3.175mm, air 13mm, clear glass 3.175mm |
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.ExteriorWallCase900
High Mass Case: Exterior Wall
Information
This construction is for the exterior wall of the 900 test series.
Extends from Buildings.HeatTransfer.Data.OpaqueConstructions.Generic (Thermal properties of opaque constructions).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | nLay | 3 | Number of layers |
| Material | material[nLay] | {Buildings.HeatTransfer.Data... | Layer by layer declaration of material, starting from outside to room-side |
| Emissivity | absIR_a | 0.9 | Infrared absorptivity of surface a (usually outside-facing surface) [1] |
| Emissivity | absIR_b | 0.9 | Infrared absorptivity of surface b (usually room-facing surface) [1] |
| Emissivity | absSol_a | 0.6 | Solar absorptivity of surface a (usually outside-facing surface) [1] |
| Emissivity | absSol_b | 0.6 | Solar absorptivity of surface b (usually room-facing surface) [1] |
| SurfaceRoughness | roughness_a | Buildings.HeatTransfer.Types... | Exterior surface roughness |
| Advanced | |||
| Integer | nSta[nLay] | {material[i].nSta for i in 1... | Number of states (do not overwrite, used to work around Dymola 2017 bug) |
Modelica definition
record ExteriorWallCase900 = Buildings.HeatTransfer.Data.OpaqueConstructions.Generic
(
nLay=3,
absIR_a=0.9,
absIR_b=0.9,
absSol_a=0.6,
absSol_b=0.6,
material={Buildings.HeatTransfer.Data.Solids.Generic(
x=0.009,
k=0.140,
c=900,
d=530,
nStaRef=nStaRef),Buildings.HeatTransfer.Data.Solids.Generic(
x=0.0615,
k=0.040,
c=1400,
d=10,
nStaRef=nStaRef),Buildings.HeatTransfer.Data.Solids.Generic(
x=0.100,
k=0.510,
c=1000,
d=1400,
nStaRef=nStaRef)}) "High Mass Case: Exterior Wall";
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.FloorCase900
High Mass Case: Floor
Information
This construction is for the floor of the 900 test series.
Extends from Buildings.HeatTransfer.Data.OpaqueConstructions.Generic (Thermal properties of opaque constructions).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | nLay | 2 | Number of layers |
| Material | material[nLay] | {Buildings.HeatTransfer.Data... | Layer by layer declaration of material, starting from outside to room-side |
| Emissivity | absIR_a | 0.9 | Infrared absorptivity of surface a (usually outside-facing surface) [1] |
| Emissivity | absIR_b | 0.9 | Infrared absorptivity of surface b (usually room-facing surface) [1] |
| Emissivity | absSol_a | 0.6 | Solar absorptivity of surface a (usually outside-facing surface) [1] |
| Emissivity | absSol_b | 0.6 | Solar absorptivity of surface b (usually room-facing surface) [1] |
| SurfaceRoughness | roughness_a | Buildings.HeatTransfer.Types... | Exterior surface roughness |
| Advanced | |||
| Integer | nSta[nLay] | {material[i].nSta for i in 1... | Number of states (do not overwrite, used to work around Dymola 2017 bug) |
Modelica definition
record FloorCase900 = Buildings.HeatTransfer.Data.OpaqueConstructions.Generic (
final nLay=2,
absIR_a=0.9,
absIR_b=0.9,
absSol_a=0.6,
absSol_b=0.6,
material={Buildings.HeatTransfer.Data.Solids.Generic(
x=1.007,
k=0.040,
c=0,
d=0,
nStaRef=nStaRef),Buildings.HeatTransfer.Data.Solids.Generic(
x=0.080,
k=1.130,
c=1000,
d=1400,
nStaRef=nStaRef)}) "High Mass Case: Floor";
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.Glass600
Thermal properties of window glass
Information
This record declares the glass properties for the BESTEST model.
Extends from Buildings.HeatTransfer.Data.Glasses.Generic (Thermal properties of window glass).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Length | x | 0.003175 | Thickness [m] |
| ThermalConductivity | k | 1.06 | Thermal conductivity [W/(m.K)] |
| TransmissionCoefficient | tauSol[:] | {0.86156} | Solar transmittance [1] |
| ReflectionCoefficient | rhoSol_a[:] | {0.0434} | Solar reflectance of surface a (usually outside-facing surface) [1] |
| ReflectionCoefficient | rhoSol_b[:] | {0.0434} | Solar reflectance of surface b (usually room-facing surface) [1] |
| TransmissionCoefficient | tauIR | 0 | Infrared transmissivity of glass [1] |
| Emissivity | absIR_a | 0.9 | Infrared absorptivity of surface a (usually outside-facing surface) [1] |
| Emissivity | absIR_b | 0.9 | Infrared absorptivity of surface b (usually room-facing surface) [1] |
Modelica definition
record Glass600 = Buildings.HeatTransfer.Data.Glasses.Generic (
x=0.003175,
k=1.06,
tauSol={0.86156},
rhoSol_a={0.0434},
rhoSol_b={0.0434},
tauIR=0,
absIR_a=0.9,
absIR_b=0.9) "Thermal properties of window glass";
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.ResultSummary
Record that is used for summary of the results
Information
Record that is used for reference results.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | Min | Minimum | |
| Real | Max | Maximum | |
| Real | Mean | Mean |
Modelica definition
record ResultSummary "Record that is used for summary of the results"
parameter Real Min "Minimum";
parameter Real Max "Maximum";
parameter Real Mean "Mean";
end ResultSummary;
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.StandardResults
ASHRAE Standard Results
Information
For cases with heating and cooling, this record is used to compare the simulated results with the results published in the ASHRAE/ANSI Standard 140.
Extends from Modelica.Icons.Record (Icon for records).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| ResultSummary | annualHea | Annual heating energy | |
| ResultSummary | annualCoo | Annual heating energy | |
| ResultSummary | peakHea | Peak heating power | |
| ResultSummary | peakCoo | Peak heating power |
Modelica definition
record StandardResults "ASHRAE Standard Results"
extends Modelica.Icons.Record;
parameter ResultSummary annualHea(
Min(unit="J"),
Max(unit="J"),
Mean(unit="J")) "Annual heating energy";
parameter ResultSummary annualCoo(
Min(unit="J"),
Max(unit="J"),
Mean(unit="J")) "Annual heating energy";
parameter ResultSummary peakHea(
Min(unit="W"),
Max(unit="W"),
Mean(unit="W")) "Peak heating power";
parameter ResultSummary peakCoo(
Min(unit="W"),
Max(unit="W"),
Mean(unit="W")) "Peak heating power";
end StandardResults;
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.StandardResultsFreeFloating
ASHRAE Standard Results
Information
For free-floating temperature cases, this record is used to compare the simulated results with the results published in the ASHRAE/ANSI Standard 140.
Extends from Modelica.Icons.Record (Icon for records).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| ResultSummary | minT | Minimum temperature | |
| ResultSummary | maxT | Maximum temperature | |
| ResultSummary | meanT | Mean temperature |
Modelica definition
record StandardResultsFreeFloating "ASHRAE Standard Results"
extends Modelica.Icons.Record;
parameter ResultSummary minT(
Min(unit="K"),
Max(unit="K"),
Mean(unit="K")) "Minimum temperature";
parameter ResultSummary maxT(
Min(unit="K"),
Max(unit="K"),
Mean(unit="K")) "Maximum temperature";
parameter ResultSummary meanT(
Min(unit="K"),
Max(unit="K"),
Mean(unit="K")) "Mean temperature";
end StandardResultsFreeFloating;
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.Win600
Double pane, clear glass 3.175mm, air 13mm, clear glass 3.175mm
Information
This record declares the parameters for the window system for the BESTEST.
Extends from Buildings.HeatTransfer.Data.GlazingSystems.Generic (Thermal properties of glazing systems).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Boolean | haveExteriorShade | false | Set to true if window has an exterior shade (at surface a) |
| Boolean | haveInteriorShade | false | Set to true if window has an interior shade (at surface b) |
| Generic | glass[:] | {Buildings.ThermalZones.Deta... | Layer by layer declaration of glass layers, starting from outside to room-side |
| Generic | gas[:] | {Buildings.HeatTransfer.Data... | Layer by layer declaration of glass layers, starting from outside to room-side |
| Generic | shade | Shade | |
| CoefficientOfHeatTransfer | UFra | 1.4 | U-value of frame [W/(m2.K)] |
| Emissivity | absIRFra | 0.8 | Infrared absorptivity of window frame [1] |
| Emissivity | absSolFra | 0.5 | Solar absorptivity of window frame [1] |
Modelica definition
record Win600 = Buildings.HeatTransfer.Data.GlazingSystems.Generic (
final glass={
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.Glass600(),
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.Glass600()},
final gas={Buildings.HeatTransfer.Data.Gases.Air(x=0.013)},
UFra=1.4) "Double pane, clear glass 3.175mm, air 13mm, clear glass 3.175mm";