Ring
A node of Ring
Description
Equations
Variables
Connections
Parameters
Parameters for Visualization (Optional)
See Also
The Ring component models a generic ideal thermal conductor with ring geometry.
The following image uses Thermal Conductor components to illustrate the behavior of the Ring component.
Each Thermal Conductor component is connected to the port_outer, port_inner, port_front, and port_back.
All Thermal Conductor components are connected to the Heat Capacitor. The port_center is directly connected to the Heat Capacitor.
The geometry of Ring is the following.
(For details, see Thermal Conductor and Heat Capacitor help).
The geometries of Heat Capacitor and each Thermal Conductor are defined by the following equations.
Heat Capacitor
The volume V is defined by the following equation.
V=π⋅R__o2−R__i2⋅D
Thermal Conductor
The area A and distance L are defined by the following equations. Outer Thermal Conductor
A=2⋅π⋅R__o−R__i2⋅DlnR__oR__o+R__i2 L=R__o−R__i2
Inner Thermal Conductor
A=2⋅π⋅R__o−R__i2⋅DlnR__o+R__i2R__i L=R__o−R__i2
Front and back Thermal Conductors
A=π⋅R__o2−R__i2 L=D2
Symbol
Units
Modelica ID
T
K
Temperature of Heat Capacitor
Name
port_outer
Thermal port of outer
port_inner
Thermal port of inner
port_front
Thermal port of front
port_back
Thermal port of back
port_center
Thermal port of center
Default
Material
SolidPropertyData1
−
Solid material property data
Wm⋅K
Material.k is the thermal conductivity of the material
Material.k
Jkg⋅K
Material.cp is the specific heat capacity of the material
Material.cp
kgm3
Material.rho is the density of the material
Material.rho
R__o
1
m
Outer radius of the ring
Ro
R__i
0.5
Inner radius of the ring
Ri
D
Depth of the ring
T__start
293.15
Initial condition of temperature
T_start
fixed
true
True enforces the T_start initial condition
Note: If you enable Show Visualization option, you can visualize temperature change as colored geometry in 3-D Playback Window. To make this function available, you have to enable 3-D Animation option in Multibody Settings. The quality of the visualization is affected if any open plot windows are behind the 3-D Playback Window. If you are experiencing playback issues, try moving the 3-D Playback Window so that it does not overlap a plot window. Alternatively, minimize or close any open plot windows. (For more details about the relation between color and temperature, see Color Blend help).
Show Visualization
false
If true, you can visualize the temperature of heat capacitor Node as colored geometry in 3-D Playback Window. And the following visualization parameters are available.
VisOn
Position
0,0,0
Position of the node in visualization [X, Y, Z].
pos[3]
Rotation
rad
Rotation of the node in visualization [X, Y, Z].
rot[3]
Transparent
If true, node geometry will be transparent.
transparent
T__max
373.15
Upper limit of temperature in the color blend.
Tmax
Color of T__max
RGB255,0,0
Color when temperature is over T__max. Temperature between T__max and T__min are automatically interpolated to a color.
color_Tmax
T__min
273.15
Lower limit of temperature in the color blend.
Tmin
Color of T__min
RGB0,0,255
Color when temperature is under T__min. Temperature between T__max and T__min are automatically interpolated to a color.
color_Tmin
Show Sphere element
If true, heat capacitor sphere will be shown.
showCapacitor
R__sphere
0.2
Radius of visualized heat capacitor sphere.
Sradius
Heat Transfer Library Overview
Nodes Overview
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