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Saffman/ Lift Force in Pipe

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Old   August 9, 2013, 11:34
Question Saffman/ Lift Force in Pipe
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Hi folks.

I'm trying to implement lift force in a slurry flow in a pipe with a custom code.

I'm reading about the Saffman lift force and it seems that there are a lot of different corrections or interpreations on this force.

Does anyone know what is the most adequate/used formula for solid-liquid flows??

I'm using this from the FLUENT manual.

And I have some doubts about this one.

The last term is the curl if I'm not mistaken and the previous term is a vector difference, for x, y and z.

Than we will have an external product between two vectors.

I'm having some doubts on how to implement it in 2D as a volume force.
Do I split the equation in X and Y terms? How do I go about this?

Thanks for your help.

Cheers.

Rui
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