[santoo_cfd]

Hi

I want to get the RTD (Residence time distribution) of for steel industry application. The procedure I followed is as follows,
Methodology:
1. Steady state - I ran simpleFoam to get the initial velocity Field. I ensured 5 orders of residue fall
2. Tracer Injection - I used to velocity field from the simpleFoam and used scalarTransportFoam for passsive scalar injection. ( Traced inlet boundary set to 1 for 0.129 sec)
3. RTD study - I monitored the tracer concentration at the outlet for 1000 secs using scalarTransportFoam.

Problems

1. RTD curve is not matching either with fluent or experiment.
2. I have some confusion regarding the use of slip boundary condition in OpenFOAM. Is it similar the boundary we set in Fluent ( I mean we set shear stess =0 for wall with slip).
3. Is it right to use scalarTransportFoam or should I need scalarTranportFoam with turbulence added to it? ( As flow regime is turbulent, I used k-epsilon in simpleFoam)

Any kind of suggestion u think of, I am ready to try and post back.

Thanks
Santhosh