WOLFRAM SYSTEM MODELER

thermalConductivity

Return thermal conductivity of dry air (simple polynomial, moisture influence small, valid from 123.15 K to 1273.15 K, outside of this range linear extrapolation is used)

Wolfram Language

In[1]:=
SystemModel["Modelica.Media.Air.DryAirNasa.thermalConductivity"]
Out[1]:=

Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Thermal conductivity is computed from temperature using a simple polynomial for dry air. Range of validity is from 123.15 K to 1273.15 K. The influence of pressure is neglected.

Source: VDI Waermeatlas, 8th edition.

Syntax

lambda = thermalConductivity(state, method)

Inputs (2)

state

Type: ThermodynamicState

Description: Thermodynamic state record
method

Default Value: 1

Type: Integer

Description: Dummy for compatibility reasons

Outputs (1)

lambda

Type: ThermalConductivity (W/(m⋅K))

Description: Thermal conductivity