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Old   November 6, 2015, 01:51
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I want to simulate a evaporative cooling model in fluent. there is air coming from one side of evaporative pad. I want to give mass transfer coefficient to solid pad. Then i want to simulate the air coming out from other side of the wall. what type of model should i use? For moist air which model should I use?

Thanking you in advance.
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Old   November 6, 2015, 11:17
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I think rather than having a mass transfer on a "solid plate" what you should try is a porous wall. i.e. a wall that permits mass-flow across the wall.

If only gas phase, you can use the species transport model and specify air & water-vapor. If gas-liquid then you need to use a multipase model (VOF should work).
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Old   November 7, 2015, 01:12
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thanks luckytran,

But how do I give mass transfer coeffcient to porous wall?
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Old   January 5, 2017, 17:11
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could you please send me a yuor file that you analysed evaporative cooler?
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evaporation model, species model, vof model

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