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-   -   Mixing of a passive scalar (http://www.cfd-online.com/Forums/fluent/36910-mixing-passive-scalar.html)

Maged Ismail June 10, 2005 09:09

Mixing of a passive scalar
 
Hi all,

I am conducting three-dimensional numerical simulation of a round jet normal to a crossflow. I am using two different turbulence models (standard k-epsilon and DES) and comparing the results of both models with experimental data. Both the jet and crossflow fluids are air with the same density and temperature.

My question is: how to investigate the mixing of a passive scalar, so that I can compare the numerical results of mixture fraction with experimental data. In other words: Should I use a certain model for prediction the mixing of a passive scalar? And how the pre- and post-processing for this model are done in FLUENT?

Thanks.


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