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-   -   how to introduce a tracer? (http://www.cfd-online.com/Forums/fluent/39143-how-introduce-tracer.html)

Jane January 5, 2006 18:05

how to introduce a tracer?
 
pls i need help. Can any advice on how i can introduce a tracer into my stirred tank so that i can determine the time it takes to achieve homegenisation.

expecting yr reply

Ralf Schmidt January 6, 2006 10:46

Re: how to introduce a tracer?
 
use display -> particle tracks

There u can select the number of tracer particles, the release point and distance, the colour of the path lines and so on.

Ralf

Jane January 11, 2006 04:03

Re: how to introduce a tracer?
 
Thanks for yr response.Pls can you give the step by step procedure.I'll really appreciate this.

Expecting yr reply

Ralf Schmidt January 11, 2006 07:32

Re: how to introduce a tracer?
 
hi,

use display->path lines/ select the surface, the particles are released from/ use "compute" and then display. - thats it!

You can vary the the number of steps or the step size, if the particle doen't move into the region of interest. Also is is helpfull to colour the path line by velocity or something other...

Hope it helps! Ralf



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