Buildings.Rooms.Examples.BESTEST.Data

Information

Package Content

Name	Description
ExteriorWallCase900	High Mass Case: Exterior Wall
FloorCase900	High Mass Case: Floor
Glass600	Thermal properties of window glass
Win600	Double pane, clear glass 3.175mm, air 13mm, clear glass 3.175mm
StandardResults	ASHRAE Standard Results
StandardResultsFreeFloating	ASHRAE Standard Results
ResultSummary	Record that is used for summary of the results

Buildings.Rooms.Examples.BESTEST.Data.ExteriorWallCase900

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

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.Rooms.Examples.BESTEST.Data.FloorCase900

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

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.Rooms.Examples.BESTEST.Data.Glass600

Information

This record declares the glass properties for the BESTEST model.

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 transimittance. It is tauSol in WINDOW5. [1]
ReflectionCoefficient	rhoSol_a	0.0434	Solar reflectance of surface a (usually outside-facing surface). It is Rsol1 in WINDOW5. [1]
ReflectionCoefficient	rhoSol_b	0.0434	Solar reflectance of surface b (usually room-facing surface). It is Rsol2 in WINDOW5. [1]
TransmissionCoefficient	tauIR	0	Infrared infrared transmissivity of glass. It is Tir in WINDOW5. [1]
Emissivity	absIR_a	0.9	Infrared infrared absorptivity of surface a (usually outside-facing surface). It is Emis1 in WINDOW5. [1]
Emissivity	absIR_b	0.9	Infrared infrared absorptivity of surface b (usually room-facing surface). It is Emis2 in WINDOW5. [1]

Modelica definition

record Glass600 "Thermal properties of window glass"
    extends Modelica.Icons.Record;
 parameter Modelica.SIunits.Length x=0.003175 "Thickness";
 parameter Modelica.SIunits.ThermalConductivity k=1.06 "Thermal conductivity";
 parameter Modelica.SIunits.TransmissionCoefficient tauSol = 0.86156 
    "Solar transimittance. It is tauSol in WINDOW5.";
 parameter Modelica.SIunits.ReflectionCoefficient rhoSol_a = 0.0434 
    "Solar reflectance of surface a (usually outside-facing surface). It is Rsol1 in WINDOW5.";
 parameter Modelica.SIunits.ReflectionCoefficient rhoSol_b = 0.0434 
    "Solar reflectance of surface b (usually room-facing surface). It is Rsol2 in WINDOW5.";
 parameter Modelica.SIunits.TransmissionCoefficient tauIR = 0 
    "Infrared infrared transmissivity of glass. It is Tir in WINDOW5.";
 parameter Modelica.SIunits.Emissivity absIR_a = 0.9 
    "Infrared infrared absorptivity of surface a (usually outside-facing surface). It is Emis1 in WINDOW5.";
 parameter Modelica.SIunits.Emissivity absIR_b = 0.9 
    "Infrared infrared absorptivity of surface b (usually room-facing surface). It is Emis2 in WINDOW5.";
end Glass600;

Buildings.Rooms.Examples.BESTEST.Data.Win600

Information

This record declares the parameters for the window system for the BESTEST.

Parameters

Type	Name	Default	Description
Integer	nLay	2	Number of glass layers
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[nLay]	{Buildings.Rooms.Examples.BE...	Layer by layer declaration of glass layers, starting from outside to room-side
Generic	gas[nLay - 1]	{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.Rooms.Examples.BESTEST.Data.Glass600(),
                            Buildings.Rooms.Examples.BESTEST.Data.Glass600()},
    final gas={Buildings.HeatTransfer.Data.Gases.Air(x=0.013)},
    UFra=1.4,
    final nLay=2) 
  "Double pane, clear glass 3.175mm, air 13mm, clear glass 3.175mm";

Buildings.Rooms.Examples.BESTEST.Data.StandardResults

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.

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.Rooms.Examples.BESTEST.Data.StandardResultsFreeFloating

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.

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.Rooms.Examples.BESTEST.Data.ResultSummary

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;