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species transport in water

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Old   December 8, 2007, 23:48
Default species transport in water
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i'm interested in modeling the transport of chemical species dissolved in water. two questions: 1) if the species transport/reactions is entirely decoupled from the flow , can i solve the flow equations first, and then do separately the species transport? is it as simple as not selecting the flow solution in the Solver/Solution Controls box and only selecting the species solution? 2) if the above is possible, should the mass fraction of water which presumably is always 1 as the bulk fluid be of any relevance? it seems as if most of the fluent examples are directed at gaseous phase transport and reactions, where bulk mass fractions change.

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Old   December 12, 2007, 19:15
Default Re: species transport in water
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Yes. Yes. Set the bulk species to be the last in the Materials panel list - then it is not solved and is 1 - sum of other species.
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