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cml July 6, 2006 02:56


I am pretty new to CFX and would like to find the Retention time distribution of a tracer in pond. Using the additional variable option, how do I add a mass of tracer? any comments would be appreciated!


Joe July 6, 2006 06:50

Re: tracer
Do a text search through the CFX manual for "residence time", there is a nice worked example for calculating it.

You dont add the mass of a tracer only its local concentration and diffusivity are relevant. (True lagrangian partical calcs are a different matter.)

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