i can't see the air flow when i animate it. so i wonder why. maybe i how you guys out there draw the column when using gambit?plus the gas inlet velocity,what is the magnitude?

Hello Shu ming,

Did you managed to get any results for your slug flow? I am also trying to simulate slug flow can you give some advice like whats your Boundary conditions and initial conditions.

Thanks inadvance for your kind help

Best Regards Cheong Yong Huat