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Old   January 22, 2007, 07:06
Default need some help
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hi i am dong heat transfer anaylsis of different metal in cylinder form for different metal and ot gas is filled in cylinder.question is that i meshed metal and gases in such away that the wall shadow show coupled in its option second when i meshed metal in complete volume not sonnecte to each other they behave ordinary wall can you tell me that my heat is not being transfered through gses and solid i am using natural convection and heat transfer through the sylinder

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Old   January 24, 2007, 01:50
Default Re: need some help
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If you have wall and wall shadow, you need to make them coupled for heat transfer to take place. Basically if you define a wall/solid which has face on its both sides a wall shadow is created. Thisis a sovler requirement. i.e. wall and wall shadow exists on same location but face on either side. so you need to make them coupled.
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