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Evaporation at interface between liquid/gas zones

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Old   October 20, 2011, 18:13
Unhappy Evaporation at interface between liquid/gas zones
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Tom M
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Has anyone written UDF's to simulate evaporation from porous zones similar to evaporation from the wick of a heat pipe. Basically there are 2 adjoining zones, one with a porous medium representing a wick, and another containing a gas mixture (hydrogen+water vapor). I want to write a mass transfer UDF to model mass and energy transfer between the 2 media. Is it possible to write a UDF for an internal surface in Fluent or do I need to take a different approach?
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condensation, evaporation, heat pipe, multiphase, wick

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