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Natural convection + Species in a room

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Old   January 29, 2009, 06:21
Default Natural convection + Species in a room
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Dear All, I am modelling a room with air. This room has got a heat source and a species source (hidrogen). The room has got an inlet from which air could enter due to the buoyancie effect and an outlet from which air+species scapes to the exterior (another control volume). I would like to model the natural convection within the room, and how the air goes out from the room. I have got some problems with the mass balance and convergence. Can anyone recommend me wich is the best set up in order to get a good convergence? Cheers

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