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How to simulate heat transfer using blackbox approach?

Question asked by Jose Fonseca on Feb 5, 2021
Latest reply on Feb 8, 2021 by Sylvain Grondin

Hello,

I am simulating the ventilation of an electric cabinet. For key components I have the thermal properties, however for some components they are to complex to simulate and I only know heat dissipation, meaning the temperature results will be almost random. 
With this in mind, I would like to apply a blackbox approach, but I am a little bit lost, on how to define the thermal properties. 

Does anyone have any tip on how to define unknown components? 

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