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Atributting one face temperature to another face

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Old   March 28, 2011, 12:13
Question Atributting one face temperature to another face
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Hello everyone!

I'm having this problem with transfering one face temperature to another (maybe it's due to my newbness).
Anyway, i'll describe the problem:
I've got a room with one heat source and i'm using a blower to move the air through the room. The blower only recirculates the air in the room.

My boundary conditions are:
-velocity inlet for the inlet and for the outlet (the outlet has the inverse module);
-the rest are walls;
-the walls for the heat source have a positive heat flux;
-the walls for the windows have a negative heat flux;

I consider that there exhists mass conservation on the system and that the temperature on the inlet is the same of the outlet.
My problem is: There exhists an evolution in the systems temperature, so, how can i transport the temperature from the outlet to the inlet?

I was thinking on using an UDF, but i don't know wich to use and how.

Thank you for your attention!
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