Buildings.HeatTransfer.Data.GlazingSystems

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Buildings.HeatTransfer.Data.GlazingSystems

Package with thermophysical properties for glazing systems

Information

Package with generic records that implement thermophysical properties for glazing systems.

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

Package Content

Name	Description
Generic	Thermal properties of glazing systems
SingleClear3	Single pane, clear glass 3mm
DoubleClearAir13Clear	Double pane, clear glass 3mm, air 12.7, clear glass 3mm
DoubleElectrochromicAir13Clear	Double pane, electrochromic 6mm, air 12.7, clear glass 6mm
TripleClearAir13ClearAir13Clear	Triple pane, clear glass 3mm, air 12.7, clear glass 3mm, air 12.7, clear glass 3mm

Buildings.HeatTransfer.Data.GlazingSystems.Generic

Thermal properties of glazing systems

Buildings.HeatTransfer.Data.GlazingSystems.Generic

Information

Generic record that implements thermophysical properties for glazing systems.

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

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[:]		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		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 Generic "Thermal properties of glazing systems" extends Modelica.Icons.Record; // parameter Integer nLay(min=1, fixed=true) "Number of glass layers" // annotation (Evaluate=true); parameter Boolean haveExteriorShade = false "Set to true if window has an exterior shade (at surface a)"; parameter Boolean haveInteriorShade = false "Set to true if window has an interior shade (at surface b)"; parameter Glasses.Generic glass[:] "Layer by layer declaration of glass layers, starting from outside to room-side"; // Zero array sizes are not supported in Dymola. Therefore, we assign // a dummy layer. The model for heat conduction in gases will // write an assert if the thickness is negative. // Therefore, we ensure that any model overwrites this default setting. parameter Gases.Generic gas[:] = {Buildings.HeatTransfer.Data.Gases.Air(x=-1)} "Layer by layer declaration of glass layers, starting from outside to room-side"; parameter Shades.Generic shade "Shade"; parameter Modelica.SIunits.CoefficientOfHeatTransfer UFra "U-value of frame"; parameter Modelica.SIunits.Emissivity absIRFra=0.8 "Infrared absorptivity of window frame"; parameter Modelica.SIunits.Emissivity absSolFra=0.5 "Solar absorptivity of window frame"; final parameter Boolean haveShade = haveInteriorShade or haveExteriorShade "Parameter that is true if the construction has a shade"; final parameter Boolean haveControllableWindow= Modelica.Math.BooleanVectors.anyTrue( {size(glass[iGla].tauSol, 1) > 1 for iGla in 1:size(glass,1)}) "Flag, true if the window allows multiple states, such as for electrochromic windows"; end Generic;

Buildings.HeatTransfer.Data.GlazingSystems.SingleClear3

Single pane, clear glass 3mm

Buildings.HeatTransfer.Data.GlazingSystems.SingleClear3

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[:]	{Glasses.ID102()}	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	3	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 SingleClear3 = Buildings.HeatTransfer.Data.GlazingSystems.Generic ( glass={Glasses.ID102()}, UFra=3) "Single pane, clear glass 3mm";

Buildings.HeatTransfer.Data.GlazingSystems.DoubleClearAir13Clear

Double pane, clear glass 3mm, air 12.7, clear glass 3mm

Buildings.HeatTransfer.Data.GlazingSystems.DoubleClearAir13Clear

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[:]	{Glasses.ID102(),Glasses.ID1...	Layer by layer declaration of glass layers, starting from outside to room-side
Generic	gas[:]	{Gases.Air(x=0.0127)}	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 DoubleClearAir13Clear = Buildings.HeatTransfer.Data.GlazingSystems.Generic ( final glass={Glasses.ID102(), Glasses.ID102()}, final gas={Gases.Air(x=0.0127)}, UFra=1.4) "Double pane, clear glass 3mm, air 12.7, clear glass 3mm";

Buildings.HeatTransfer.Data.GlazingSystems.DoubleElectrochromicAir13Clear

Double pane, electrochromic 6mm, air 12.7, clear glass 6mm

Buildings.HeatTransfer.Data.GlazingSystems.DoubleElectrochromicAir13Clear

Information

Because Modelica requires the same array length for both glasses, this data set contains two sets of optical properties for both, the electrochromic and the clear glass layer.

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[:]	{Glasses.Electrochromic(),Bu...	Layer by layer declaration of glass layers, starting from outside to room-side
Generic	gas[:]	{Gases.Air(x=0.0127)}	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 DoubleElectrochromicAir13Clear = Buildings.HeatTransfer.Data.GlazingSystems.Generic ( final glass={Glasses.Electrochromic(), Buildings.HeatTransfer.Data.Glasses.Generic( x=0.006, k=0.9, tauSol={0.775, 0.775}, rhoSol_a={0.071, 0.071}, rhoSol_b={0.071, 0.071}, tauIR=0, absIR_a=0.84, absIR_b=0.84)}, final gas={Gases.Air(x=0.0127)}, UFra=1.4) "Double pane, electrochromic 6mm, air 12.7, clear glass 6mm";

Buildings.HeatTransfer.Data.GlazingSystems.TripleClearAir13ClearAir13Clear

Triple pane, clear glass 3mm, air 12.7, clear glass 3mm, air 12.7, clear glass 3mm

Buildings.HeatTransfer.Data.GlazingSystems.TripleClearAir13ClearAir13Clear

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[:]	{Glasses.ID102(),Glasses.ID1...	Layer by layer declaration of glass layers, starting from outside to room-side
Generic	gas[:]	{Gases.Air(x=0.0127),Gases.A...	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 TripleClearAir13ClearAir13Clear = Buildings.HeatTransfer.Data.GlazingSystems.Generic ( final glass={Glasses.ID102(),Glasses.ID102(),Glasses.ID102()}, final gas={Gases.Air(x=0.0127),Gases.Air(x=0.0127)}, UFra=1.4) "Triple pane, clear glass 3mm, air 12.7, clear glass 3mm, air 12.7, clear glass 3mm";

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