[Yuri911]

Hello,

I use Fluent Multiphase Eulerian-Eulerian model in 2D. On velocity inlet I have gas. In the rectangular body of reactor I have 64mm height filling with particles (particle diameter d=0.09mm). Width of the reactor 20mm. I want to have high velocities (smth. about 10m/s) in the inlet. But if I make 10 m/s gas velocity in the inlet, particles will fly out from the reactor. So I need to make a special outlet boundary condition that won't let particles fly out (gas phase flys out from the reactor and solid phase stays in the reactor). Could You explain me how to make this kind of boundary condition.

Thanks.