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convection-2d in cfx

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Old   September 23, 2013, 14:53
Question convection-2d in cfx
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morteza
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hi
i have a duct,with constant temperature in top and bottom of duct and a free convection inside the duct,but i cant define free convection!!
pleas help me.

upper tmp:350 k
air temp inside duct:300 k
h=30000
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Old   September 23, 2013, 19:44
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Glenn Horrocks
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CFX models convection if set up correctly, you do not define it.
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Old   September 24, 2013, 02:08
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morteza
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how can i set up convection???
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Old   September 24, 2013, 02:24
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Glenn Horrocks
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It is covered in the tutorials provided with CFX - "Buoyant flow in a partitioned cavity". But if you have not done all the tutorials then I recommend you do so - it will be time well spent.
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Old   September 24, 2013, 05:47
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thank you
i will do it.
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