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Help! Heat transfer Coefficient report

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Old   May 3, 2024, 06:24
Exclamation Help! Heat transfer Coefficient report
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Hi guys, I have little time and little understandig of CFD and need your help. I am Simulating a heatsink that has a (steady simulation) with a constant massflow of Water and a constant heat source.

I need to find out the heat transfer coefficient of the heat sink but dont know how.

I tried
reports>Mass averaged>Heat transfer coefficient
But it doesnt work at all. I can put my fluid region or my Heatsink (solkd region) or both but the response is always "Error: undifined ratio"

Please help!!
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