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Buildings.HeatTransfer.Data.Resistances

Package with thermal resistances

Information

Package with records that implement thermal properties of heat resistances.

Extends from Modelica.Icons.MaterialPropertiesPackage (Icon for package containing property classes).

Package Content

NameDescription
Buildings.HeatTransfer.Data.Resistances.Generic Generic Thermal properties of heat resistances
Buildings.HeatTransfer.Data.Resistances.Carpet Carpet Carpet

Buildings.HeatTransfer.Data.Resistances.Generic Buildings.HeatTransfer.Data.Resistances.Generic

Thermal properties of heat resistances

Information

Generic record for thermal properties of heat resistances.

Extends from Buildings.HeatTransfer.Data.BaseClasses.Material (Thermal properties of materials w/o storage).

Parameters

TypeNameDefaultDescription
Lengthx0Material thickness [m]
ThermalConductivityk0Thermal conductivity [W/(m.K)]
SpecificHeatCapacityc0Specific heat capacity [J/(kg.K)]
Densityd0Mass density [kg/m3]
RealR Thermal resistance of a unit area of material [m2.K/W]
IntegernStaRef0Number of state variables in a reference material of 0.2 m concrete
BooleansteadyStatetrueFlag, if true, then material is computed using steady-state heat conduction
Properties for phase change material
TemperatureTSol293.15Solidus temperature, used only for PCM. [K]
TemperatureTLiq293.15Liquidus temperature, used only for PCM [K]
SpecificInternalEnergyLHea0Latent heat of phase change [J/kg]
Advanced
IntegernSta1Actual number of state variables in material
RealpiRef331.4Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
RealpiMatif steadyState then piRef el...Ratio x/sqrt(alpha)
RealnStaRealnStaRef*piMat/piRefNumber of states as a real number

Modelica definition

record Generic "Thermal properties of heat resistances"
    extends Buildings.HeatTransfer.Data.BaseClasses.Material(
    final c=0,
    final d=0,
    final k=0,
    final x=0,
    final nStaRef=0,
    final nSta=1,
    final steadyState=true,
    final TSol=293.15,
    final TLiq=293.15,
    final LHea=0,
    final phasechange=false);

end Generic;

Buildings.HeatTransfer.Data.Resistances.Carpet Buildings.HeatTransfer.Data.Resistances.Carpet

Carpet

Parameters

TypeNameDefaultDescription
RealR0.2165Thermal resistance of a unit area of material [m2.K/W]
Advanced
RealpiRef331.4Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
RealpiMatif steadyState then piRef el...Ratio x/sqrt(alpha)
RealnStaRealnStaRef*piMat/piRefNumber of states as a real number

Modelica definition

record Carpet = Buildings.HeatTransfer.Data.Resistances.Generic (R=0.2165) "Carpet";

Automatically generated Thu Oct 24 15:10:40 2013.