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Hydrogen and Air mixing in a room

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Hello,

I'm new to Comsol and have some problem.
I have a room with 2 Inlets, on oen inlet air enters and on other there is hydrogen

The two gases mix in the room and there is one outlet

Required results:


Concentration of the hydrogen gas within the room


The mixing should be approachable by convection and diffusion.

my problem is to connect the certain gass with respective inlets
i define two material now how can i assign the hydrogen and air to their respective inlets
regards

Ansar Ali

3 Replies Last Post Jul 20, 2011, 5:47 a.m. EDT

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Posted: 1 decade ago Jul 18, 2011, 8:03 a.m. EDT
please help me
file is attached
at boundry 3 for air and i want to use boundry 7 for hydrogen how can i do this?
please help me file is attached at boundry 3 for air and i want to use boundry 7 for hydrogen how can i do this?


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Posted: 1 decade ago Jul 19, 2011, 4:22 a.m. EDT
Hi Asad

You have to add convection/diffusion eqn. see attached.

Regards
Naveed
Hi Asad You have to add convection/diffusion eqn. see attached. Regards Naveed


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Posted: 1 decade ago Jul 20, 2011, 5:47 a.m. EDT
thanks dear Naveed
sir little more help i am using comsol 4.1 and your editted file is not
being opened here
please save it as comsol 4.1
it is highly apprciated if u provide help with elaboration
regards
ANSAR ALI
thanks dear Naveed sir little more help i am using comsol 4.1 and your editted file is not being opened here please save it as comsol 4.1 it is highly apprciated if u provide help with elaboration regards ANSAR ALI

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