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Conbustion modelling with CFX5.4.1

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Old   April 9, 2001, 08:01
Default Conbustion modelling with CFX5.4.1
  #1
David Hargreaves
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Hi

Has anyone tried implementing the eddy break-up model in CFX5.4? I'm thinking of doing it via the CEL but before I do this, I would appreciate hints from anyone who's tried this already. I don't want to reinvent the wheel...

Ta.

Dave
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Old   April 10, 2001, 02:32
Default Re: Conbustion modelling with CFX5.4.1
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Li Xinfeng
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In fact, YOu can't use the radiation in cfx5.4.But I think you can use the EBU combustion because the cfx5.4 can calculate the multi-phase reaction. If you didn't need the radiation. you can do it in cfx5.4. otherwise you have to use the cfx4.3. LI Xinfeng
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Old   April 12, 2001, 08:15
Default Re: Conbustion modelling with CFX5.4.1
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Gavin
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David,

Yes we have. Contact your local office and they will send you the CEL that Phil Stopford has developed.

Li,

If you contact your local office, you might get a pleasant surprise regarding the availability of radiation in CFX-5.

Gavin
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Old   April 12, 2001, 08:52
Default Re: Conbustion modelling with CFX5.4.1
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Li Xinfeng
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Relly? I will ask Phil stopford for CEL, But what is CEL?
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Old   April 18, 2001, 00:54
Default Re: Conbustion modelling with CFX5.4.1
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Dan Williams
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CFX Expression Language (CEL). Boundary conditions, initial conditions, source terms, most properties and algebraic additional variables can all be written in terms of a CEL expresssion.

For example, one could setup a mass flow specified inlet as a function of time, or set a parabolic inlet velocity profile. More complicated things are possible, and there are some examples of how to use expressions in the user documentation.

Dan.
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