Listing Heat Flow
You can list the net rate of heat flow through selected faces using the Probe tool.
To list net heat flow rate on faces:
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In the thermal study, plot heat flux in the desired direction or the resultant heat flux.
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Right-click the plot icon and select Probe 
.
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In the PropertyManager, under Options, select On selected entities.
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In the graphics area, select the desired face(s).
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Click Update.
Under Summary, the net heat flow in the associated direction is listed in the Total Heat Flow box for the selected face(s).