CFD Online Discussion Forums - DPM Particles injection

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Quote:

Originally Posted by mtalha976 (Post 790515)

No i don't want to leave the domain. I just want to remain in the domain. I am confused which particles are these , i mean to say that i have air also coming and injecting water liquid through same inlet. So these tracks are of which one? have I given the air correct boundary condition?

These are the 100 particles that you added. You should know which particles you added, don't ask me...

And how should I know if you gave the right boundary conditions for air? I don't know what is supposed to be there...

Quote:

Originally Posted by mtalha976 (Post 790512)

Thanks for the reply. ok it means i should further reduce the time step size and increase the number of steps.

and ONLY DPM model is sufficient for injecting aerosol particles? i have selected as inert particle of water liquid and fluid air in the material then i gave the injection velocity and inlet velocity and pressure outlet. Then hybrid Initialization.

will this be enough for this case? or i have to use VOF or Species transport?
Kindly guide me through it.

tracking of particles throughout the domain is incomplete but 100 particles were injected. So you dont have problem in particle injections. If you want to have particles in summary report, then please increase the 'maximum number of steps' or 'step length' in DPM window.
Please refer to this link for settings in DPM window
https://www.afs.enea.it/project/nept...ug/node673.htm

ok thank you. and one more thing I am giving injection velocity and inlet velocity. So i am confused the air is there or not because i selected in material.
coming with inlet too. or the cell zones is already air. Kindly help in this confusion.