Results
The temperature plot is updated and shows the temperature distribution when thermal grease is used.
At this point, we can evaluate the effect of the quality of the thermal contact. In the first computation, the thermal contact was assumed to be ideal and the maximum temperature was around 85°C. When accounting for a 50-µm-wide air layer, the maximum temperature was close to 95°C. Using thermal grease to enhance the thermal contact seems efficient here as the maximum temperature is only slightly higher than the initial case of ideal thermal contact.