Multi Thermal Contact Resistance
Multiple thermal contact resistance between two materials
Description
Equations (For details, see Thermal Contact Resistance help).
Variables (For details, see Thermal Contact Resistance help).
Connections
Parameters
See Also
The Multi Thermal Contact Resistance component models multiple Thermal Contact Resistances. The total number of Thermal Contact Resistance components is determined by the Nodes parameter.
The following example uses Thermal Contact Resistance components to explain the behavior of Thermal Contact Resistance component.
Name
Condition
Modelica ID
port_ai
i-th thermal port a
port_a[i]
port_bi
i-th thermal port b
port_b[i]
A_input
if use Apparent contact area input is true.
Apparent contact area of each node is defined by Real signal input.
Aratio_input
if use Area ratio input is true.
Area ratio A__cA of each node is defined by Real signal input.
L_input
if use Void space thickness input is true.
Thickness of the void space is defined by Real signal input.
Symbol
Default
Units
Material_a
SolidPropertyData1
−
Solid material property data
Wm⋅K
Material_a.k is the thermal conductivity of the material of each port_a
Material_a.k
Jkg⋅K
Material_a.cp is the specific heat capacity of the material of each port_a
Material_a.cp
kgm3
Material_a.rho is the density of the material of each port_a
Material_a.rho
Material_b
Material_b.k is the thermal conductivity of the material of each port_b
Material_b.k
Material_b.cp is the specific heat capacity of the material of each port_b
Material_b.cp
Material_b.rho is the density of the material of each port_b
Material_b.rho
k__fluid
0.0241
The thermal conductivity of the fluid which fills void space for each Thermal Contact Resistance
kf
Nodes
2
Number of nodes
numNode
A
0.0001
m2
Apparent contact area between materials for each Thermal Contact Resistance
A_const
A__cA
0.01
Area ratio A__cA (between 0 and 1) for each Thermal Contact Resistance
Aratio_const
L
0.00005
m
Thickness of the void space
L_const
Heat Transfer Library Overview
Multiple Overview
Download Help Document