recordGeneric
Thermal properties of window glass
Extends from Modelica.Icons.Record (Icon for records).
Information
This record implements thermophysical properties for window glass. See Buildings.HeatTransfer.Data.Glasses for instructions.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Length | x | 0.003 | Thickness |
| Modelica.Units.SI.ThermalConductivity | k | 1 | Thermal conductivity |
| Modelica.Units.SI.TransmissionCoefficient[:] | tauSol | {0.6} | Solar transmittance |
| Modelica.Units.SI.ReflectionCoefficient[:] | rhoSol_a | {0.075} | Solar reflectance of surface a (usually outside-facing surface) |
| Modelica.Units.SI.ReflectionCoefficient[:] | rhoSol_b | {0.075} | Solar reflectance of surface b (usually room-facing surface) |
| Modelica.Units.SI.TransmissionCoefficient | tauIR | 0 | Infrared transmissivity of glass |
| Modelica.Units.SI.Emissivity | absIR_a | 0.84 | Infrared absorptivity of surface a (usually outside-facing surface) |
| Modelica.Units.SI.Emissivity | absIR_b | 0.84 | Infrared absorptivity of surface b (usually room-facing surface) |
Revisions
-
August 7, 2015, by Michael Wetter:
Revised model to allow modeling of electrochromic windows. This is for issue 445. -
December 09, 2011, by Wangda Zuo:
Compare the variable names with those in Window 6 and correct the variable names Emis1 and Emis2 in documentation. -
Sep. 3 2010, by Michael Wetter, Wangda Zuo:
First implementation.