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Buoyancy driven flow

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Lukezo

Lukezo

Mechanical
Joined
Jan 16, 2020
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30
Location
SI
Hi people,

I'm about to model flow of air inside a vertical tube with air inlet at the bottom of tube about a feet away from bottom. The air gets moist and warm inside tube.

Can you ellaborate on boundary conditions?
2. Which is the appropriate outlet condition?
 
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How does the air become warm and moist in the tube?
 
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By spraying hot water into air stream.

To simplify, plan is to implement udf connecting air velocity and temperature before moisturizing section.
 
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