Buildings.HeatTransfer.Data.Resistances

Information

Package Content

Name	Description
Generic	Thermal properties of heat resistances
Carpet	Carpet

Buildings.HeatTransfer.Data.Resistances.Generic

Information

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

Parameters

Type	Name	Default	Description
Length	x	0	Material thickness [m]
ThermalConductivity	k	0	Thermal conductivity [W/(m.K)]
SpecificHeatCapacity	c	0	Specific heat capacity [J/(kg.K)]
Density	d	0	Mass density [kg/m3]
Real	R		Thermal resistance of a unit area of material [m2.K/W]
Integer	nStaRef	0	Number of state variables in a reference material of 0.2 m concrete
Boolean	steadyState	true	Flag, if true, then material is computed using steady-state heat conduction
Advanced
Integer	nSta	1	Actual number of state variables in material
Real	piRef	331.4	Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
Real	piMat	if steadyState then piRef el...	Ratio x/sqrt(alpha)
Real	nStaReal	nStaRef*piMat/piRef	Number 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);

end Generic;

Buildings.HeatTransfer.Data.Resistances.Carpet

Parameters

Type	Name	Default	Description
Real	R	0.2165	Thermal resistance of a unit area of material [m2.K/W]
Advanced
Real	piRef	331.4	Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
Real	piMat	if steadyState then piRef el...	Ratio x/sqrt(alpha)
Real	nStaReal	nStaRef*piMat/piRef	Number of states as a real number

Modelica definition

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