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Home > Forums > Engineering Methods > Engineering Methods > Computational Fluid Dynamics CFD Forum

Fluent water droplet wall behaviour

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richkeogh (Mechanical)

12 May 09 5:03

I am modelling an air flow down a pipe that is laden with water droplets with a distribution of diameters.
I can accurately predict where the water droplets will impinge on the pipe surface as it rounds a tight bend, but I have been unable to get the software to accurately predict the subsequent behaviour of the water droplets as they join into a film and are forced along the wall of the pipe.

There is a wall-film model in the DPM tab in the boundary conditions, but this seems to be mostly for thin films of fuel not more than 500 microns in thickness.

Is there a way of modelling the water behaviour after it hits the pipe?
Presumably I might be getting into UDF territory here?

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