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Wich model in gas-gas (VOF, MM or EM)

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Old   May 25, 2010, 05:59
Default Wich model in gas-gas (VOF, MM or EM)
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Hi everybody
I want to modeled an electric arc in a perfect gas (two fluid: electrons and heavy species (ions and neutrals)), with the following assumptions:
the flow is laminar, steady, equilibrium prevails among electrons and heavy species but at different temperatures.
wich model appropriate to this case:

the VOF Model
the Eulerian model
the Mixture Model

Thank you for any answer or suggestion
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