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July 12, 2001, 05:37 |
Pipe flow patterns
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#1 |
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Hello everyone. Has anyone out there succeeded with Fluent 5, the simulation the flow pattern types of two-phase (liquid & gas) pipe flow, i.e. stratified, wavy, slug, annular and bubble. I am currently attempting to do so with Fluent 5's ASM & VOF models and find nothing but perpetual non-convergence, most notably with the continuity residual. If anyone has any experience of this type of modelling, I would be grateful to hear from them. Thanks in advance.
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July 12, 2001, 06:37 |
Re: Pipe flow patterns
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#2 |
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Hi!
The ASM model is not right for modelling most of your systems. It is not really a multi-phase model at all! It is just really post-processing. You will need to use an Eulerian model to see most of the effects you want. You can use the VOF model for slugging, but as you say I cannot get it to work, either! |
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July 13, 2001, 09:01 |
Re: Pipe flow patterns
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#3 |
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So what IS the the ASM model good for?
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July 13, 2001, 09:35 |
Re: Pipe flow patterns
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#4 |
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Hi!
I think it is for multi-phase flow where the fraction of dispersed phase is very low and will not effect the main phase. I'm not sure it should be called multi-phase, really. |
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