Buildings.Rooms.Constructions.Examples

Information

This package contains examples for the use of models that can be found in Buildings.Rooms.Constructions.

Package Content

Name	Description
ExteriorWallWithWindow	Test model for an exterior wall with a window
ExteriorWallTwoWindows	Test model for an exterior wall with two windows, one having a shade, the other not
ExteriorWall	Test model for an exterior wall without a window

Buildings.Rooms.Constructions.Examples.ExteriorWallWithWindow

Information

This model tests the exterior constructions with windows.

Parameters

Type	Name	Default	Description
Area	A	3*10	Heat transfer area of wall and window [m2]
Length	hWin	2	Window height [m]
Length	wWin	3	Window width [m]
Area	AWin	hWin*wWin	Heat transfer area of frame and window [m2]
Real	fFra	0.1	Fraction of window frame divided by total window area
Boolean	linearizeRadiation	false	Set to true to linearize emissive power
DoubleClearAir13Clear	glaSys		Record for glazing system
ParameterConstructionWithWindow	conPar		Data for construction with window
Insulation100Concrete200	extConMat		Record for material layers

Modelica definition

model ExteriorWallWithWindow 
  "Test model for an exterior wall with a window"
  extends Modelica.Icons.Example;
  parameter Modelica.SIunits.Area A=3*10 
    "Heat transfer area of wall and window";
  parameter Modelica.SIunits.Length hWin = 2 "Window height";
  parameter Modelica.SIunits.Length wWin = 3 "Window width";
  parameter Modelica.SIunits.Area AWin=hWin*wWin 
    "Heat transfer area of frame and window";
  parameter Real fFra=0.1 
    "Fraction of window frame divided by total window area";
  parameter Boolean linearizeRadiation = false 
    "Set to true to linearize emissive power";
  parameter HeatTransfer.Data.GlazingSystems.DoubleClearAir13Clear glaSys(
    UFra=2,
    shade=Buildings.HeatTransfer.Data.Shades.Gray(),
    haveExteriorShade=false,
    haveInteriorShade=false) "Record for glazing system";

  parameter Buildings.Rooms.BaseClasses.ParameterConstructionWithWindow conPar(
    til=Buildings.HeatTransfer.Types.Tilt.Wall,
    azi=0,
    layers=extConMat,
    glaSys=glaSys,
    A=A,
    hWin=hWin,
    wWin=wWin) "Data for construction with window";

  parameter HeatTransfer.Data.OpaqueConstructions.Insulation100Concrete200 extConMat 
    "Record for material layers";

  ConstructionWithWindow conExt[1](
    layers={conPar.layers},
    glaSys={conPar.glaSys},
    linearizeRadiation = {linearizeRadiation},
    A={conPar.A},
    AWin={conPar.hWin * conPar.wWin},
    fFra={conPar.fFra},
    til={conPar.til}) "Construction of an exterior wall with a window";
  Buildings.Rooms.BaseClasses.ExteriorBoundaryConditionsWithWindow
    bouConExt(
    nCon=1,
    linearizeRadiation = linearizeRadiation,
    conMod=Buildings.HeatTransfer.Types.InteriorConvection.Fixed,
    lat=0.73268921998722,
    conPar={conPar}) 
    "Exterior boundary conditions for constructions with a window";
  Buildings.HeatTransfer.Sources.FixedTemperature TRoo(T=293.15) 
    "Room temperature";
  Buildings.HeatTransfer.Convection.Interior con[1](
      each A=A .- AWin,
      til={Buildings.HeatTransfer.Types.Tilt.Wall}) "Model for heat convection";
  Modelica.Thermal.HeatTransfer.Components.ThermalCollector theCol(m=1) 
    "Thermal collector to link a vector of models to a single model";
  BoundaryConditions.WeatherData.ReaderTMY3 weaDat(filNam=
        "modelica://Buildings/Resources/weatherdata/USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.mos");

  Modelica.Blocks.Sources.Constant uSha(k=0) "Shading control signal";
  Modelica.Thermal.HeatTransfer.Components.ThermalCollector theCol1(m=1) 
    "Thermal collector to link a vector of models to a single model";
  HeatTransfer.Radiosity.IndoorRadiosity indRad(A=AWin, linearize=
        linearizeRadiation) "Model for indoor radiosity";
  Modelica.Blocks.Sources.Constant QAbs[1,glaSys.nLay](each k=0) 
    "Solar radiation absorbed by glass";
  Modelica.Blocks.Sources.Constant QAbsSha(each k=0) 
    "Solar radiation absorbed by interior shade";
  Modelica.Blocks.Sources.Constant QTra(each k=0) 
    "Solar radiation absorbed by exterior shade";

  Buildings.HeatTransfer.Windows.InteriorHeatTransferConvective intShaCon[1](
    each A=A,
    each fFra=fFra,
    each haveExteriorShade=glaSys.haveExteriorShade,
    each haveInteriorShade=glaSys.haveInteriorShade) 
    "Model for interior shade heat transfer";

  Buildings.HeatTransfer.Windows.BaseClasses.ShadeRadiation intShaRad[1](
    each thisSideHasShade=glaSys.haveInteriorShade,
    each linearize=linearize,
    each absIR_air=glaSys.shade.absIR_a,
    each absIR_glass=glaSys.shade.absIR_b,
    each tauIR_air=glaSys.shade.tauIR_a,
    each tauIR_glass=glaSys.shade.tauIR_b,
    each A=AGla) if 
     glaSys.haveShade "Interior shade radiation model";
protected 
  Modelica.Blocks.Math.Sum sumJ[1](each nin=if glaSys.haveShade then 2 else 1) 
    "Sum of radiosity fom glass to outside";

  Buildings.HeatTransfer.Radiosity.RadiositySplitter radShaOut[1] 
    "Radiosity that strikes shading device";
equation 
  connect(TRoo.port, theCol.port_b);
  connect(theCol.port_a, con.fluid);
  connect(weaDat.weaBus, bouConExt.weaBus);
  connect(theCol1.port_b, TRoo.port);
  connect(indRad.heatPort, TRoo.port);
  connect(uSha.y, bouConExt.uSha[1]);
  connect(uSha.y, conExt[1].uSha);
  connect(QAbs.y, conExt.QAbsUns_flow);
  connect(QAbs.y, conExt.QAbsSha_flow);
  connect(QTra.y, bouConExt.QAbsSolSha_flow[1]);
  connect(conExt.opa_b, con.solid);
  connect(conExt.opa_a, bouConExt.opa_a);

  connect(conExt.JInUns_a, bouConExt.JOutUns);
  connect(conExt.JOutUns_a, bouConExt.JInUns);
  connect(conExt.glaUns_a, bouConExt.glaUns);
  connect(conExt.glaSha_a, bouConExt.glaSha);
  connect(conExt.JInSha_a, bouConExt.JOutSha);
  connect(conExt.JOutSha_a, bouConExt.JInSha);
  connect(conExt.fra_a, bouConExt.fra);
  connect(intShaCon.QRadAbs_flow,intShaRad. QRadAbs_flow);
  connect(intShaCon.TSha,intShaRad. TSha);
  connect(intShaRad.JOut_glass, conExt.JInSha_b);
  connect(intShaRad.JIn_glass, conExt.JOutSha_b);
  connect(conExt.glaUns_b, intShaCon.glaUns);
  connect(intShaCon.glaSha, conExt.glaSha_b);
  connect(theCol1.port_a, intShaCon.air);
  connect(intShaCon[1].uSha, uSha.y);
  connect(uSha.y, intShaRad[1].u);
  connect(conExt.JOutUns_b, sumJ.u[1]);
  connect(intShaRad.JOut_air, sumJ.u[2]);
  connect(radShaOut[1].u, uSha.y);
  connect(radShaOut.JOut_1, intShaRad.JIn_air);
  connect(radShaOut.JOut_2, conExt.JInUns_b);
  connect(QAbsSha.y, intShaRad[1].QSolAbs_flow);
  connect(indRad.JOut, radShaOut[1].JIn);
  connect(indRad.JIn, sumJ[1].y);
  connect(conExt.fra_b, intShaCon.frame);
end ExteriorWallWithWindow;

Buildings.Rooms.Constructions.Examples.ExteriorWallTwoWindows

Information

This model tests the exterior construction with two windows.

Parameters

Type	Name	Default	Description
Integer	nCon	2	Number of constructions
Area	A[:]	{3*10,3*10}	Heat transfer area of wall and window [m2]
Length	hWin[:]	{2,1}	Window height [m]
Length	wWin[:]	{3,3}	Window width [m]
Area	AWin[:]	hWin .* wWin	Heat transfer area of frame and window [m2]
Real	fFra[:]	{0.1,0.1}	Fraction of window frame divided by total window area
Boolean	linearizeRadiation	false	Set to true to linearize emissive power
DoubleClearAir13Clear	glaSys1		Record for glazing system
DoubleClearAir13Clear	glaSys2		Record for glazing system
ParameterConstructionWithWindow	conPar[nCon]		Construction parameters

Modelica definition

model ExteriorWallTwoWindows 
  "Test model for an exterior wall with two windows, one having a shade, the other not"
  extends Modelica.Icons.Example;
  parameter Integer nCon = 2 "Number of constructions";
  parameter Modelica.SIunits.Area A[:]={3*10, 3*10} 
    "Heat transfer area of wall and window";
  parameter Modelica.SIunits.Length hWin[:] = {2, 1} "Window height";
  parameter Modelica.SIunits.Length wWin[:] = {3, 3} "Window width";
  parameter Modelica.SIunits.Area AWin[:]= hWin .* wWin 
    "Heat transfer area of frame and window";
  parameter Real fFra[:]={0.1, 0.1} 
    "Fraction of window frame divided by total window area";

  parameter Boolean linearizeRadiation = false 
    "Set to true to linearize emissive power";
  parameter HeatTransfer.Data.GlazingSystems.DoubleClearAir13Clear glaSys1(
    UFra=2,
    shade=Buildings.HeatTransfer.Data.Shades.Gray(),
    haveInteriorShade=false,
    haveExteriorShade=false) "Record for glazing system";
  parameter HeatTransfer.Data.GlazingSystems.DoubleClearAir13Clear glaSys2(
    UFra=2,
    shade=Buildings.HeatTransfer.Data.Shades.Gray(),
    haveInteriorShade=false,
    haveExteriorShade=false) "Record for glazing system";

  parameter Buildings.Rooms.BaseClasses.ParameterConstructionWithWindow conPar[nCon](
    redeclare Buildings.HeatTransfer.Data.OpaqueConstructions.Insulation100Concrete200
      layers,
    each til=Buildings.HeatTransfer.Types.Tilt.Wall,
    each azi=0.017453292519943,
    A=A,
    hWin=hWin,
    wWin=wWin,
    glaSys = {glaSys1, glaSys2}) "Construction parameters";

  ConstructionWithWindow conExt[nCon](
    layers=conPar[:].layers,
    glaSys=conPar[:].glaSys,
    linearizeRadiation = {linearizeRadiation, linearizeRadiation},
    A=conPar[:].A,
    AWin=conPar[:].hWin .* conPar[:].wWin,
    fFra=conPar[:].fFra,
    til=conPar[:].til) "Construction of an exterior wall with a window";

  Buildings.Rooms.BaseClasses.ExteriorBoundaryConditionsWithWindow
    bouConExt(
    nCon=2,
    linearizeRadiation = false,
    conMod=Buildings.HeatTransfer.Types.InteriorConvection.Fixed,
    lat=0.73268921998722,
    conPar=conPar) 
    "Exterior boundary conditions for constructions with a window";
  Buildings.HeatTransfer.Sources.FixedTemperature TRoo(T=293.15) 
    "Room temperature";
  Buildings.HeatTransfer.Convection.Interior con[nCon](A=A - AWin,
    til={Buildings.HeatTransfer.Types.Tilt.Wall,
         Buildings.HeatTransfer.Types.Tilt.Wall}) "Model for heat convection";
  Modelica.Thermal.HeatTransfer.Components.ThermalCollector theCol(m=2) 
    "Thermal collector to link a vector of models to a single model";
  BoundaryConditions.WeatherData.ReaderTMY3 weaDat(filNam=
        "modelica://Buildings/Resources/weatherdata/USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.mos");
  HeatTransfer.Data.OpaqueConstructions.Insulation100Concrete200 extConMat 
    "Record for material layers";

  Modelica.Blocks.Sources.Constant uSha(k=0) "Shading control signal";
  Modelica.Thermal.HeatTransfer.Components.ThermalCollector theCol1(m=2) 
    "Thermal collector to link a vector of models to a single model";
  HeatTransfer.Radiosity.IndoorRadiosity indRad[nCon](each linearize = linearizeRadiation,
    A=AWin) "Model for indoor radiosity";
  Modelica.Blocks.Routing.Replicator replicator(nout=nCon);
  Modelica.Thermal.HeatTransfer.Components.ThermalCollector theCol3(
                                                                   m=2) 
    "Thermal collector to link a vector of models to a single model";
  Modelica.Blocks.Sources.Constant QAbsSha[nCon](each k=0) 
    "Solar radiation absorbed by interior shade";
  Modelica.Blocks.Sources.Constant QAbs[nCon,glaSys1.nLay](each k=0) 
    "Solar radiation absorbed by glass";
  Modelica.Blocks.Sources.Constant QTra[nCon](each k=0) 
    "Solar radiation absorbed by exterior shade";

  Buildings.HeatTransfer.Windows.BaseClasses.ShadeRadiation intShaRad[nCon](
    thisSideHasShade={glaSys1.haveInteriorShade, glaSys2.haveInteriorShade},
    each linearize=linearize,
    absIR_air={glaSys1.shade.absIR_a, glaSys2.shade.absIR_a},
    absIR_glass={glaSys1.shade.absIR_b, glaSys2.shade.absIR_b},
    tauIR_air={glaSys1.shade.tauIR_a, glaSys2.shade.tauIR_a},
    tauIR_glass={glaSys1.shade.tauIR_b, glaSys2.shade.tauIR_b},
    A=AGla) if 
     glaSys1.haveShade or glaSys2.haveShade "Interior shade radiation model";
  Buildings.HeatTransfer.Windows.InteriorHeatTransferConvective intShaCon[nCon](
    A=A,
    fFra=fFra,
    haveExteriorShade={glaSys1.haveExteriorShade, glaSys2.haveExteriorShade},
    haveInteriorShade={glaSys1.haveInteriorShade, glaSys2.haveInteriorShade}) 
    "Model for interior shade heat transfer";
protected 
  Modelica.Blocks.Math.Sum sumJ[nCon](each nin=if glaSys1.haveShade or glaSys2.haveShade
         then 2 else 1) "Sum of radiosity fom glass to outside";
  Buildings.HeatTransfer.Radiosity.RadiositySplitter radShaOut[nCon] 
    "Radiosity that strikes shading device";
equation 
  connect(TRoo.port, theCol.port_b);
  connect(theCol.port_a, con.fluid);
  connect(weaDat.weaBus, bouConExt.weaBus);
  connect(theCol1.port_b, TRoo.port);

  connect(uSha.y, replicator.u);
  connect(theCol3.port_b, TRoo.port);
  connect(bouConExt.uSha, replicator.y);
  connect(QAbs.y, conExt.QAbsUns_flow);
  connect(QAbs.y, conExt.QAbsSha_flow);
  connect(QTra.y, bouConExt.QAbsSolSha_flow);
  connect(con.solid, conExt.opa_b);
  connect(replicator.y, conExt.uSha);
  connect(conExt.opa_a, bouConExt.opa_a);

  connect(bouConExt.JOutUns, conExt.JInUns_a);
  connect(conExt.JOutUns_a, bouConExt.JInUns);
  connect(bouConExt.glaUns, conExt.glaUns_a);
  connect(bouConExt.glaSha, conExt.glaSha_a);
  connect(bouConExt.JOutSha, conExt.JInSha_a);
  connect(conExt.JOutSha_a, bouConExt.JInSha);
  connect(bouConExt.fra, conExt.fra_a);
  connect(intShaCon.TSha,intShaRad. TSha);
  connect(QAbsSha.y,intShaRad [1].QSolAbs_flow);
  connect(intShaCon.QRadAbs_flow,intShaRad. QRadAbs_flow);
  connect(theCol1.port_a,intShaCon. air);
  connect(intShaRad.JOut_air,sumJ. u[2]);
  connect(radShaOut.JOut_1,intShaRad. JIn_air);
  connect(radShaOut.JOut_2, conExt.JInUns_b);
  connect(conExt.JOutUns_b,sumJ. u[1]);
  connect(intShaRad.JOut_glass, conExt.JInSha_b);
  connect(intShaRad.JIn_glass, conExt.JOutSha_b);
  connect(conExt.glaUns_b, intShaCon.glaUns);
  connect(intShaCon.glaSha, conExt.glaSha_b);
  connect(conExt.fra_b, intShaCon.frame);
  connect(sumJ.y, indRad.JIn);
  connect(theCol3.port_a, indRad.heatPort);
  connect(replicator.y, radShaOut.u);
  connect(indRad.JOut, radShaOut.JIn);
end ExteriorWallTwoWindows;

Buildings.Rooms.Constructions.Examples.ExteriorWall

Information

This model tests the exterior construction without windows.

Parameters

Type	Name	Default	Description
Insulation100Concrete200	extConMat		Record for material layers
ParameterConstruction	conPar[1]		Data for construction

Modelica definition

model ExteriorWall "Test model for an exterior wall without a window"
  extends Modelica.Icons.Example;

  Buildings.Rooms.Constructions.Construction conExt[1](
    A=conPar[:].A,
    layers=conPar[:].layers,
    til={Buildings.HeatTransfer.Types.Tilt.Wall}) 
    "Construction of an exterior wall without a window";
  Buildings.Rooms.BaseClasses.ExteriorBoundaryConditions bouConExt(
    nCon=1,
    linearizeRadiation = false,
    conMod=Buildings.HeatTransfer.Types.InteriorConvection.Temperature,
    lat=0.73268921998722,
    conPar=conPar) 
    "Exterior boundary conditions for constructions without a window";
  Buildings.HeatTransfer.Sources.PrescribedTemperature prescribedTemperature;
  Buildings.HeatTransfer.Convection.Interior con[
                              1](A={3*10}, til={Buildings.HeatTransfer.Types.Tilt.Wall}) 
    "Model for heat convection";
  Modelica.Thermal.HeatTransfer.Components.ThermalCollector theCol(m=1) 
    "Thermal collector to link a vector of models to a single model";
  BoundaryConditions.WeatherData.ReaderTMY3 weaDat(filNam=
        "modelica://Buildings/Resources/weatherdata/USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.mos");
  Modelica.Blocks.Sources.Constant TRoo(k=273.15 + 20) "Room air temperature";
  parameter HeatTransfer.Data.OpaqueConstructions.Insulation100Concrete200 extConMat 
    "Record for material layers";

  parameter Buildings.Rooms.BaseClasses.ParameterConstruction conPar[1](
    each til=Buildings.HeatTransfer.Types.Tilt.Wall,
    each azi=0,
    each A=3*10,
    layers={extConMat}) "Data for construction";
equation 
  connect(prescribedTemperature.port, theCol.port_b);
  connect(theCol.port_a, con.fluid);
  connect(weaDat.weaBus, bouConExt.weaBus);
  connect(TRoo.y, prescribedTemperature.T);
  connect(con.solid, conExt.opa_b);
  connect(bouConExt.opa_a, conExt.opa_a);
end ExteriorWall;