modelWindow_ASHRAE140
Window with transmission correction factor, modelling of window panes
Extends from AixLib.ThermalZones.HighOrder.Components.WindowsDoors.BaseClasses.PartialWindow (Partial model for windows).
Information
Overview
The WindowSimple model represents a window described by the thermal transmission coefficient and the coefficient of solar energy transmission( with correction factors).
Concept
Phenomena being simulated:
- Solar energy transmission through the glass
- Heat transmission through the whole window
References
Exemplary U-Values for windows from insulation standards
- WschV 1984: specified "two panes" assumed 2,5 W/m2K
- WschV 1995: 1,8 W/m2K
- EnEV 2002: 1,7 W/m2K
- EnEV 2009: 1,3 W/m2K
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Area | windowarea (from PartialWindow) | Total fenestration area | |
| Modelica.Units.SI.Temperature | T0 (from PartialWindow) | 293.15 | Initial temperature |
| DataBase.WindowsDoors.Simple.OWBaseDataDefinition_Simple | WindowType (from PartialWindow) | ||
| AixLib.DataBase.WindowsDoors.ASHRAE140WithPanes.Default | winPaneRec | ||
| Connector usage › Inputs | |||
| Boolean | use_windSpeedPort (from PartialWindow) | true | Enable wind speed input connector |
| Connector usage › Outputs | |||
| Boolean | use_solarRadWinTrans (from PartialWindow) | true | Enable transmitted solar radiation output connector |
| Dynamics › Equations | |||
| Modelica.Fluid.Types.Dynamics | energyDynamics | Modelica.Fluid.Types.Dynamics.SteadyState | Type of energy balance: dynamic (3 initialization options) or steady state |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Utilities.Interfaces.SolarRad_in | solarRad_in (from PartialWindow) | ||
| Utilities.Interfaces.RadPort | radPort (from PartialWindow) | ||
| Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_b | port_inside (from PartialWindow) | ||
| Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_a | port_outside (from PartialWindow) | ||
| Modelica.Blocks.Interfaces.RealInput | WindSpeedPort (from PartialWindow) | ||
| Utilities.Interfaces.ShortRadSurf | shortRadWin (from PartialWindow) |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| CorrSolGain | corrSolGain (from PartialWindow) | Instance for correction of transimtted solar irradiance (shortwave radiation) through window | |
| Modelica.Blocks.Math.Gain | A (from PartialWindow) | ||
| Modelica.Thermal.HeatTransfer.Components.ThermalConductor | AirGap | ||
| Utilities.HeatTransfer.HeatConvOutside | heatConv_outside | ||
| Utilities.HeatTransfer.HeatConvInside | heatConv_inside | ||
| AixLib.ThermalZones.HighOrder.Components.Walls.BaseClasses.SimpleNLayer | pane1 | ||
| Utilities.HeatTransfer.HeatToRad | twoStar_RadEx | ||
| AixLib.ThermalZones.HighOrder.Components.Walls.BaseClasses.SimpleNLayer | pane2 | ||
| Modelica.Blocks.Sources.Constant[6] | constFixShoRadPar | Parameteres used for the short radiaton models. See connections to check which array corresponds to which parameter |
Revisions
-
June, 18, 2020 by Fabian Wuellhorst:
#918: Add short wave connector to pass window parameters. -
April 23, 2020 by Philipp Mehrfeld:
#752: Add records for window panes. -
November 11, 2018 by Fabian Wüllhorst:
Removed parameters phi and eps_out. This is for #651. -
March 30, 2015 by Ana Constantin:
Improved implementation of transmitted solar radiation -
February 24, 2014 by Reza Tavakoli:
First implementation