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Implementing convective cooling via air in a model
Posted Sep 26, 2013, 3:59 p.m. EDT 0 Replies
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I have a 3-d geometry in comsol with say some solid materials which are in contact with each other for some part and with some gaps in some parts. I want to model this solid block sitting in air and getting cooled by air convections. In real life obviously the gaps will be filled with air.
So to implement this I have drawn the big cube around the solid geometry and put air as the material of that domain. And I can see that the outer surfaces of the solids are being cooled by air.
Now the question is would comsol understand that there is air in those gaps between solid surfaces as well because the complete geometry is sitting in air ??
If not, is there a better way to model a 3-D solid geometry being cooled by air convection. I can't use inbuilt BCs in comsol as the geometry mostly is not uniform, so I have to rely on conjugate heat transfer.
I hope I am making it clear. I will greatly appreciate any help on this ?
Thanks
Abhishek
Hello Abhishek Gupta
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