Define Thermal Surface Properties
Sources and Loads Thermal Surface
Thermal surface properties can be assigned to surfaces of thermal conductive
materials. A thermal surface property definition describes the radiation
and convection losses from a surface.
Name
Declare the name for the thermal
surface. Each surface must have a unique name.
Radiation properties
Emissivity:
The Emissivity  is a dimensionless constant within the interval
0 and 1, which describes the radiation from a previously defined surface:
 ,
where  stands for the radiated power, 
for the surfaces temperature,  for the background temperature, 
for the Stefan-Boltzmann constant and  for the area of the selected surfaces. An
emissivity value = 0
means that the surface does not lose thermal power by radiation; a value
of 1 means that the surface emits thermal power as good as the so-called
鈥漛lack radiator鈥?
Convection properties
Heat transfer coefficient:
The Heat transfer
coefficient  describes convection processes at the surfaces of conductive
materials:
 ,
where 
denotes the power, the surfaces temperature, the background temperature and
the area for the selected surfaces.
OK
Accepts the changes and closes
the dialog.
Cancel
Closes this dialog box without
performing any further action.
Help
Shows this help text.
See also
Thermal
Stationary Solver Parameters, Thermal
Transient Solver Parameters, Thermal
Stationary Solver Overview, Thermal
Transient Solver Overview
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