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-   -   DPM component mole fraction (http://www.cfd-online.com/Forums/fluent/93838-dpm-component-mole-fraction.html)

 Jaskull October 27, 2011 14:31

DPM component mole fraction

Hi
I'm preparing a model of multicomponent evaporation from mixture droplets. But to describe two period of drying I need to read mole or mass fraction of evaporating species from the droplet. Have anybody idea how to do that. Is there any function, macro or code? I will be very grateful for help.

Mac

 Laci October 30, 2011 16:20

Maybe I didn't get the point, but you can create two different injection. The mass flow rates of both species can be set easily on the GUI.
Did this help to you?

 Jaskull October 31, 2011 06:45

Not really what I mean. I'm developing a spray-drying simulations. So far I succeeded with the help of "user guide" to run the macro DPM_HEAT_MASS. But now I want to write new function, which is depend on moisture content. So I need to read mass or mole fraction of evaporating species from multicomponent droplet.

 classic1573 April 26, 2014 23:28

Quote:
 Originally Posted by Jaskull (Post 330132) Not really what I mean. I'm developing a spray-drying simulations. So far I succeeded with the help of "user guide" to run the macro DPM_HEAT_MASS. But now I want to write new function, which is depend on moisture content. So I need to read mass or mole fraction of evaporating species from multicomponent droplet.
HI,
Have you solved this problem？ I also want to know the answer. Can you give me some help？ thanks a lot！:)

 Jaskull April 28, 2014 04:02

Yes I solved this problem long time ago. You need to use TP_COMPONENT_I(p,i) function where p is particle pointer and i its species index. If You want more information write to me on priv.

 classic1573 May 3, 2014 00:05

Quote:
 Originally Posted by Jaskull (Post 488603) Yes I solved this problem long time ago. You need to use TP_COMPONENT_I(p,i) function where p is particle pointer and i its species index. If You want more information write to me on priv.
Hi,
Thank you vary much for your reply! I just found the TP_COMPONENT_I(p,i) on the page 2-194 of the fluent 6.3 udf manual. :)

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