modelOpaqueSurface

Model for an opaque surface

Extends from Buildings.HeatTransfer.Radiosity.BaseClasses.RadiosityOneSurface (Model for the radiosity balance of a device with one surface), Buildings.HeatTransfer.Radiosity.BaseClasses.ParametersOneSurface (Parameters that are used to model one surface).

Information

Model for the emissive power of an opaque surface.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.AreaA (from RadiosityOneSurface)Surface area
Modelica.Units.SI.EmissivityabsIR (from ParametersOneSurface)Infrared absorptivity
Modelica.Units.SI.ReflectionCoefficientrhoIR (from ParametersOneSurface)Infrared reflectivity
Modelica.Units.SI.TransmissionCoefficienttauIR (from ParametersOneSurface)Infrared transmissivity
Booleanlinearize (from ParametersOneSurface)falseSet to true to linearize emissive power
Modelica.Units.SI.TemperatureT0 (from ParametersOneSurface)293.15Temperature used to linearize radiative heat transfer

Connectors

TypeNameDefaultDescription
Buildings.HeatTransfer.Interfaces.RadiosityInflowJIn (from RadiosityOneSurface)Incoming radiosity
Buildings.HeatTransfer.Interfaces.RadiosityOutflowJOut (from RadiosityOneSurface)Outgoing radiosity
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_aheatPortHeat port of this surface

Revisions

  • October 24, 2016, by Michael Wetter:
    Removed declaration of T03 as it is already declared in the base class.
  • May 30, 2014, by Michael Wetter:
    Removed undesirable annotation Evaluate=true.
  • June 27, 2013, by Michael Wetter:
    Changed model because the outflowing radiosity has been changed to be a non-negative quantity. See track issue #158.
  • February 10, 2012, by Wangda Zuo:
    Fixed a bug for temperature linearization.
  • August 18, 2010, by Michael Wetter:
    First implementation.