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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Tracer Mixing In Stirred Tank (Passive Scalar Transport) › Reply To: Tracer Mixing In Stirred Tank (Passive Scalar Transport)

November 29, 2024 at 11:44 am
SR786
Subscriber

Hi, 

Thank you for your reply, I patched a small amount of tracer (24 cells) into a ~1.5 million cell domain. For the experiment a small volume (2 mL) of tracer was injected into a volume of water. The tank volume is 5.3 L and is half filled with water (2.65 L) which is what I am simulating in this run (upto the liquid height, flat surface). Do I need to patch more cells into the computational domain?

Also these are the mass fraction contours for standard k-epsilon & SST k-omega with curvature correction. As the tank is unbaffled, there should be strongly swirling flow with tangential velocity dominating. The dispersion predicted by the SST k-omega with curvature correction doesn't look realistic.

Standard K-Epsilon

SST K-Omega With Curvature Correction: