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Gas Dispersion in Water Column

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Old   March 25, 2001, 01:39
Default Gas Dispersion in Water Column
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rakib
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We have a system of a jet of gas bubbling through a liquid column. Which version of multiphase model is most appropriate? Am I correct in assuming that the VOF model should not be used and we should better use the ASM model? Another related query is that how do you compare Fluent 5.4 and Fluent 4.5 in solving such problems? Any suggestion is welcome.
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Old   March 27, 2001, 03:24
Default Re: Gas Dispersion in Water Column
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eric olmos
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I think that you'd better use the ASM model even if this one has proved its limits. The vof is reserved for single bubbles and is not appropriated for gas plumes. The better you'll find is the Euler-Euler model from Fluent 4.5

Eric
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Old   March 27, 2001, 06:28
Default Re: Gas Dispersion in Water Column
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rakib
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Eric, you talked of the limits of the ASM model. Please tell me what they are w.r.to VOF. Is it anything else other than convergence?
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