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Old   October 28, 2010, 09:18
Default Water injection
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Hello dear members
I want to setup and run a problem in CFX 12, the problem is hot air flow in a duct in which the water is sprayed into the flow, air temperature is almost 600C and water is 30C. I need to setup the problem in a way that can capture the water evaporation and I want to know how this is possible using Continueos fluid-dispersed fluid? I dont want to use Lagrangian particle transport simulation coz I really dont need that exact and detailed solutuin of water droplets, Average quantities can be enough!
If anyone knows how to capture water evaporation in Cont. Fluid|Dispersed Fluid pairs I will appreciate to tell me how??
Thanks in advance...
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Old   October 28, 2010, 18:21
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Glenn Horrocks
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Yes, this can be done. Here are some tutorial examples which may be of interest, they describe a few approaches to eularian/eularian models.

Drop Curve for Cavitating Flow in a Pump
Axial Turbine Equilibrium and Non-Equilibrium Steam Predictions
Cavitation Around a Hydrofoil

CFX support may have some examples which are closer to what you are doing.
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water spray

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