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Online calculator for natural convection cooled plates. Radiation
can be included.
Related links
Natural convection heat sink on line
Natural convection between plates on line
Thermal design for electronics
Thermal online tools
Unit conversion
Comments
General
This procedure calculates the temperature difference and the
heat transfer coefficient for a plate cooled by natural convection.
The plate is assumed to be isothermal. If there are discrete
heat sources the result can be used in
the
Convection Cooled Plate with Sources applet.
Inputs
Height
Is the height of the plate.
Width
Is the width of the plate.
Emissivity
Is emissivity of the plate.
Emissivity values for metals.
Emissivity values for common materials.
Air temp
Is the inlet air temperature.
Diss start
Is the start value for the heat dissipation.
Diss end
Is the end value for the heat dissipation.
Include radiation
If include radiation is selected it is assumed that the
plate radiates into a large room with walls that have the
same temperature as the air.
Pressure and altitude
These two inputs are mutually dependent. On cursor exit
from one input the other is updated. The allowed altitude
range is 0 - 11000 m.
Edit options
Save last/Delete last
Saves or deletes the last curve
in the diagram. Maximum capacity is 5 curves.
Note
Clicking in the diagram opens a panel with tabled results
that can be copied and pasted into a spread sheet program.
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