[abouet]

Hi everyone !

I'm new in Openfoam and I try to modelize a cleaning tank, in fact I have a tank fill with dirty water (concentration s=1) and I want to inject clean water (concentration s=0) with a flow rate known.

But I encounter an issue, the water is overflowing as I want but the passive scalar transport s does not seems to be transported by the water, I suppose I see only diffusion at the inlet.

To realise this model I use the solver interFoam, and the scalar Transport Equation, but I don't really understand if it necessary to put an injectionRateSusp to observe the transportation of s (currently I have fixed it to 0).

Thank you for your help,

Audrey