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-   -   sprayFoam buoyant parcles (http://www.cfd-online.com/Forums/openfoam-solving/114407-sprayfoam-buoyant-parcles.html)

dav.dap83 March 10, 2013 17:16

sprayFoam buoyant parcles
 
Hi,

I want to reproduce gas parcles injected into a water tank by a nozzle in the bottom. Parcles are active and coupled with fluid.

What settings should I use in order to reproduce buoyancy motion? I set up sprayCloudProperties in this way:
Code:

constantProperties
{
    parcelTypeId    1;
...
    rho0            1;
...
    constantVolume  false;
}

Code:

    particleForces
    {
        pressureGradient
        {
            U U;
        };
        sphereDrag;
        gravity;
    }

but the parcles just fall to the tank bottom.


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