Primery Phase inter from the pressure outlet

Abu-Khawlah

Hi all,

I am working with three phase (water, oil, and air), it is just like a cup full of water, and small oil layer on the top, and alose air layer on the top of the oil to prevent the oil to be in contact with the pressure outlet at the top surface. The air is injected as well from the bottom of the cup. I start my simulation with three phases on top of each other, with pressure outlet boundry conditionn, and an air velocity inlet at the bottom. Once I start the simulation a small amount of the primery phase (water)start inter from the outlet pressure,

Kindly could you please advice me how to get read of this primery phase.

I am looking forwared for your reply

ManyThanks

Abukhawlah