[rafpepe]

Hi,
I'm trying to simulate supersonic expansion flow in a converging-diverging nozzle, for ionizing argon. Since in the diverging duct, heavy particles are supersonic but electrons are subsonic, wich outlet boundary condition is most appropriate?

Thanks in advance
Raffaele

[hsz411]

Originally Posted by rafpepe

Hi,
I'm trying to simulate supersonic expansion flow in a converging-diverging nozzle, for ionizing argon. Since in the diverging duct, heavy particles are supersonic but electrons are subsonic, wich outlet boundary condition is most appropriate?

Thanks in advance
Raffaele

I have the same problems. I want to know, finally , which boundary condition do you choose? thanks