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-   -   cooling of a hot moving solid (http://www.cfd-online.com/Forums/fluent/45584-cooling-hot-moving-solid.html)

olivier August 2, 2007 03:12

cooling of a hot moving solid
 
Hi evrybody, Can someone help me ? I want to calculate the cooling of a hot(900K) moving solid in a channel subject to a colder flow (460K). If you want, I could give you precise details on my model.

Thanks for evryone.

lee August 2, 2007 11:38

Re: cooling of a hot moving solid
 
try dynamics mesh and conjugate heat transfer.

Ralf Schmidt August 2, 2007 12:30

Re: cooling of a hot moving solid
 
Hi!

for uniform velocity and axial direction of moving in a channel without change in cross section area, you can let your solit object stay and move the walls!

Ralf

olivier August 3, 2007 02:38

Re: cooling of a hot moving solid
 
For the dynamic mesh it's ok but heat transfert don't work.

I tried to create "Interfaces" but the heat isn't transfered to the fluid. I tried to create just walls between the fluide and the solid. Fluent created automatically walls shadow. I don't know which boundary condition I'have to input.

Thanks if you can help me


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