Hello Everyone

I have a problem again.I check heat transfer coefficient by Report- surface integral- area-weighted average- surface heat transfer coefficient. And i have a minus i want to know what's it means?

Thank you everyone.

http://electronics-cooling.com/artic..._techbrief.php

Have a look at this link. It might help you!

Also make sure you have correct reference Temperature Report>Referencevalues Temperature

If this is higher than Tmean, you may endup having negative HTC.

Ok,thank you very much.

I'm again

When i have a negative HTC.It's means my simmulation was wrong or not? And the solution is?

Thank,Eve