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What's interface condition for species transfer equation

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Old   September 28, 2018, 16:33
Question What's interface condition for species transfer equation
Peter Maroul
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Hi all.

I study physics of multiphase flows. In some cases, there are some species transfer equations with phase change . For example water evaporated in the air (The gas phase consisted of vapor +air and the Liquid phase consisted water alone) .

Suppose interface mass transfer ( water to vapor conversion) rate is known dm/ dt (on the interface). In this manner, how can I access interface boundary condition for a standard species transfer equation? Are some source terms necessary for this purpose?

Thanks a lot for any advice.

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