Creo Simulate Transient Thermal Analysis

Hello,

i have an aluminium cylinder De60 Di54 L148 [mm]

with the attached condition (Condition 1 e 2 . jpg)

As a result of the thermal analysis (Thermal_analysis.jpg) i have what show in "Result.jpg" about thermal analysis

I'm not sure that is correct

Can you give me your opinion about it?

Thank you