modelPanelHeatingSegment

One segment of the discretized panel heating
Diagram of PanelHeatingSegmentOpen the diagram
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Extends from Modelica.Fluid.Interfaces.PartialTwoPort (Partial component with two ports).

Information

Overview

Model for a panel heating element, consisting of a water volume, heat conduction upwards and downwards through the wall layers, convection and radiation exchange at the room facing side.

Parameters

TypeNameDefaultDescription
BooleanisFloortrue
Modelica.Units.SI.AreaAArea of Floor part
Modelica.Units.SI.Emissivityeps0.95Emissivity
Modelica.Units.SI.TemperatureT0Modelica.Units.Conversions.from_degC(20)Initial temperature, in degrees Celsius
Modelica.Units.SI.VolumeVWaterVolume of Water in m^3
Modelica.Units.SI.CoefficientOfHeatTransferkTop
Modelica.Units.SI.CoefficientOfHeatTransferkDown
HeatCapacityPerAreacTop
HeatCapacityPerAreacDown
Assumptions
BooleanallowFlowReversal (from PartialTwoPort)system.allowFlowReversal= true to allow flow reversal, false restricts to design direction (port_a -> port_b)
Heat convection
IntegercalcMethod2Calculation method for convective heat transfer coefficient at surface
Modelica.Units.SI.CoefficientOfHeatTransferhCon_const2.5Constant heat transfer coefficient

Connectors

TypeNameDefaultDescription
Modelica.Fluid.Interfaces.FluidPort_aport_a (from PartialTwoPort)Fluid connector a (positive design flow direction is from port_a to port_b)
Modelica.Fluid.Interfaces.FluidPort_bport_b (from PartialTwoPort)Fluid connector b (positive design flow direction is from port_a to port_b)
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_athermConvWall
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_athermConvRoom
AixLib.Utilities.Interfaces.RadPortstarRad

Components

TypeNameDefaultDescription
Modelica.Fluid.Systemsystem (from PartialTwoPort)System wide properties
Modelica.Fluid.Vessels.ClosedVolumevol
Modelica.Fluid.Sensors.TemperatureTwoPortTFlow
Modelica.Fluid.Sensors.TemperatureTwoPortTReturn
Utilities.HeatTransfer.HeatToRadtwoStar_RadEx
Utilities.HeatTransfer.HeatConvInsideHeatConv
HeatConductionSegmentpanel_Segment1
HeatConductionSegmentpanel_Segment2

Revisions

  • February 06, 2017  by Philipp Mehrfeld:
    Naming according to AixLib standards.
  • June 15, 2017  by Tobias Blacha:
    Moved into AixLib
  • March 25, 2015  by Ana Constantin:
    Uses components from MSL
  • November 06, 2014  by Ana Constantin:
    Added documentation.