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heat transfering between solid and fluid

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Old   October 26, 2004, 09:29
Default heat transfering between solid and fluid
  #1
Benny
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Hi all!

I want to simulation the heat transfering between tow domains, solid and fluid, and I think I need set heat transfer coefficient. But out of my expectation, there are two walls between the two domains, and I can't set heat transfer coefficient there. Can anyone explain it to me and tell me how to do it? Thank you!
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Old   October 27, 2004, 05:28
Default Re: heat transfering between solid and fluid
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dieter
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one wall is associated with the fluid, and one with the solid. You can only set a different heat flux on both walls, a temperature, or you can selecty coupled what means that the heat fluxes through both walls is equal. It's not possible to set a heat transfer coefficient
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Old   October 28, 2004, 20:15
Default Re: heat transfering between solid and fluid
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Benny
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Hi dieter,

Thank you so much for your explanation. So I want to know why we don't & can't set heat transfer coefficient there. Another question is where to set the heat transfer coefficient? Thank you!

Best regards!

Benny
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Old   October 29, 2004, 05:17
Default Re: heat transfering between solid and fluid
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dieter
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It has got to do with fluents implementation.. I don't know exactly why... maybe you can mail to: support@fluent.co.uk for an better answer.

Dieter
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Old   November 15, 2004, 20:20
Default Re: heat transfering between solid and fluid
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bikash
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hi do you need the fluid zone too, or just the convective cooling by the fluid. if you need both the domains then there should be a coupled wall between the two. The temp of the fluid and the velocity should take care of the heat transfer coefficient.
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