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Struggling with setup of sparger for modelling and simulating a bubble column.

- July 8, 2026 at 2:39 pm
  
  123495022
  Subscriber
  
  I have modelled a bubble column and a sparger within it using ansys discovery. I want to simulate the gas leaving the sparger in the middle of the column and dispersing into the column, However the gas does not leave the boundary of the sparger, even though theres a pressure outlet identified. Im using a 2 phase eularian model.
- July 8, 2026 at 2:45 pm
  
  Rob
  Forum Moderator
  
  Use Fluent, but there should be an interior between the gas & liquid space. I suspect you didn't split out the two fluid zones so instead have two coincident meshes.
  I'd also review DPM model as that is often used for spargers too. The end choice is generally down to a trade off of costs (cpu & time), accuracy and need (do you REALLY need Eulerian).
  - July 9, 2026 at 11:40 am
    
    123495022
    Subscriber
    
    Thank you, I got it to work, ive been stuck on this for ages. Have a blessed day!

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