modelWindowGeneral

General window model
Diagram of WindowGeneralOpen the diagram

Extends from BuildingSystems.Buildings.BaseClasses.ConstructionGeneral (General model of building constructions (walls, windows, roofs etc.)).

Information

This is partial model description of a win dow.

Parameters

TypeNameDefaultDescription
Geometry › General
BuildingSystems.Buildings.Types.GeometryTypegeometryType (from ConstructionGeneral)BuildingSystems.Buildings.Types.GeometryType.FixedFixed (default) or flexible geometry
Modelica.Units.SI.Length[3]position (from ConstructionGeneral){0.0, 0.0, 0.0}Position (if geometryType == Fixed)
Geometry › Dimension
Modelica.Units.SI.Lengthwidth (from ConstructionGeneral)1.0Width (if geometryType == Fixed)
Modelica.Units.SI.Lengthheight (from ConstructionGeneral)1.0Height (if geometryType == Fixed)
Geometry › Orientation
Modelica.Units.NonSI.Angle_degangleDegAzi (from ConstructionGeneral)0.0Azimuth angle (if geometryType == Fixed) -> south: 0 deg, east: -90 deg, west +90 deg, north: 180 deg
Modelica.Units.NonSI.Angle_degangleDegTil (from ConstructionGeneral)90.0Tilt angle (if geometryType == Fixed) -> bottom: 0 deg, perpendicular: 90 deg, ceiling: 180 deg
General › Surfaces
BuildingSystems.Types.Absorptanceabs_1 (from ConstructionGeneral)0.5Short-wave absorptance side 1
BuildingSystems.Types.Absorptanceabs_2 (from ConstructionGeneral)0.5Short-wave absorptance side 2
Modelica.Units.SI.Emissivityepsilon_1 (from ConstructionGeneral)0.9Long-wave emittance side 1
Modelica.Units.SI.Emissivityepsilon_2 (from ConstructionGeneral)0.9Long-wave emittance side 2
General › Construction
BuildingSystems.Buildings.Data.Constructions.TransparentConstructionconstructionDataData of the thermal construction
General › Geometry
RealframePortion0.2Frame portion of the window
General › Optical properties
RealtauDir0constructionData.gTransmittance of direct radiation for perpendicular irradiation
RealtauDifconstructionData.gTransmittance of diffuse radiation
Realb0constructionData.gCoefficient for radiation transmision curve
Shadowing › External shadowing
Booleanuse_GSC_infalsetrue: use input for geometric shading coefficient GSC
Shadowing › Shadowing embrasure
BooleancalcEmbrasurefalsetrue: shadowing effect of embrasure is considered
Modelica.Units.SI.LengthdepthEmbrasure0.0Depth of the embrasure (if calcEmbrasure == true)
Air change › Air change calculation
BooleancalcAirchangefalsetrue: calculation of air exchange through the window, false: no air exchange
IntegernCom10Number of compartments for the discretization
Modelica.Units.SI.AreaLClo0.001Effective leakage area of closed window
Advanced › Surface variables
Booleanshow_TSurfalseShow surface temperatures on both sides
Initialization
Modelica.Units.SI.TemperatureT_start293.15Start temperature of the window

Connectors

TypeNameDefaultDescription
BuildingSystems.Buildings.Interfaces.SurfaceToConstructionPorttoSurfacePort_1 (from ConstructionGeneral)
BuildingSystems.Buildings.Interfaces.SurfaceToConstructionPorttoSurfacePort_2 (from ConstructionGeneral)Interface to surface on side 2
BuildingSystems.Interfaces.LengthOutputwidth_internal (from ConstructionGeneral)Width
BuildingSystems.Interfaces.LengthInputwidth_in (from ConstructionGeneral)Width from input
BuildingSystems.Interfaces.LengthOutputheight_internal (from ConstructionGeneral)Height
BuildingSystems.Interfaces.LengthInputheight_in (from ConstructionGeneral)Height from input
BuildingSystems.Interfaces.Angle_degOutputangleDegAzi_internal (from ConstructionGeneral)Azimuth angle
BuildingSystems.Interfaces.Angle_degInputangleDegAzi_in (from ConstructionGeneral)Azimuth angle from input
BuildingSystems.Interfaces.Angle_degOutputangleDegTil_internal (from ConstructionGeneral)Tilt angle
BuildingSystems.Interfaces.Angle_degInputangleDegTil_in (from ConstructionGeneral)Tilt angle from input
BuildingSystems.Interfaces.LengthOutput[3]position_internal (from ConstructionGeneral)Position
BuildingSystems.Interfaces.LengthInput[3]position_in (from ConstructionGeneral)Position from input
Modelica.Blocks.Interfaces.RealOutputGSC_constant0.0Constant shading coefficient (if use_GSC_in == true)
Modelica.Blocks.Interfaces.RealInputGSC_inInput for external shading coefficient
BuildingSystems.Interfaces.Temp_KOutputTSur_1toSurfacePort_1.heatPort.TTemperature on surface side 1
BuildingSystems.Interfaces.Temp_KOutputTSur_2toSurfacePort_2.heatPort.TTemperature on surface side 2
Modelica.Blocks.Interfaces.RealInputyPercentage of the openable part of the opening (1.0 = 100 % open, 0.0 = 100 % closed)
Modelica.Fluid.Interfaces.FluidPort_aport_a1Fluid connector a1 (positive design flow direction is from port_a1 to port_b1)
Modelica.Fluid.Interfaces.FluidPort_bport_b1Fluid connector b1 (positive design flow direction is from port_a1 to port_b1)
Modelica.Fluid.Interfaces.FluidPort_aport_a2Fluid connector a2 (positive design flow direction is from port_a2 to port_b2)
Modelica.Fluid.Interfaces.FluidPort_bport_b2Fluid connector b2 (positive design flow direction is from port_a2 to port_b2)

Components

TypeNameDefaultDescription
Modelica.Units.SI.AreaASur (from ConstructionGeneral)Surface area
BuildingSystems.HAM.HeatConduction.HeatConduction1DheatTransfer
BuildingSystems.HAM.HeatAndMoistureTransport.Sources.FixedMoistureFlowmoistBcPort1
BuildingSystems.HAM.HeatAndMoistureTransport.Sources.FixedMoistureFlowmoistBcPort2
BuildingSystems.Buildings.Constructions.Windows.RadiationTransmission.RadiationTransmissionSimpleradTra1to2
BuildingSystems.Buildings.Constructions.Windows.RadiationTransmission.RadiationTransmissionSimpleradTra2to1
BuildingSystems.Airflow.Multizone.DoorDiscretizedOperableopeOpening of the window
BuildingSystems.Buildings.Constructions.Shadowing.EmbrasureembrasureShadowing caused by embrasure

Contents

NameDescription
Medium

Revisions

    li> May 13, 2021 by Christoph Nytsch-Geusen:
    Improvement of the heat transfer calculation.
  • April 24, 2019 by Christoph Nytsch-Geusen:
    Adaptation to flexible geometries.
  • January 14, 2018 by Christoph Nytsch-Geusen:
    First implementation.