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Species transfer in the interface of a phase change VOF simulation

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Old   May 26, 2018, 05:45
Default Species transfer in the interface of a phase change VOF simulation
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Mehdi Asghari
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Hi all ;

Does anyone know how to obtain (govern) species transfer equation (for example for air + water flows) in the interface of phases for a phase change specially based on the volume of fluid (VOF) method?

I observed species transfer equation in the papers as follows:

\frac{\partial{}Y_i}{\partial{}t}+\nabla{}.\
\left(\rho{}\vec{v}Y_i\right)=\nabla{}.(\rho{}D\nabla{}Y_i)

However, I canít obtain interface condition of above equation between two phases (gas& liquid).

Iím pleased if anyone help me to gain a reasonable relation for this purpose.

M.Asghari
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air + water flows, interface phenomenon, phase change, vof based technique

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